Ashwagandha & Rhodiola Complex Ingredients & Drug Interactions
What is this page for?
First and foremost: checking Ashwagandha & Rhodiola Complex against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
Ashwagandha & Rhodiola Complex is a dietary supplement by Higher Nature with 5 active ingredients. Its ingredients are commonly taken for common cold and immune support, antioxidant support, skin health and collagen formation.Based on those ingredients, 1,525 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are KSM-66 Ashwagandha root extract, Rhodiola root extract, Holy Basil extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Ashwagandha & Rhodiola Complex by Higher Nature
Ask about any prescription or over-the-counter medication and we check it for interactions with Ashwagandha & Rhodiola Complex by Higher Nature — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of Ashwagandha & Rhodiola Complex by Higher Nature
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Full disclosure
This product contains five active ingredients: Vitamin C, Pantothenic Acid (a B vitamin), Holy Basil extract, KSM-66 Ashwagandha root extract, and Rhodiola root extract. Vitamin C and pantothenic acid are essential nutrients.
Holy basil, ashwagandha, and rhodiola are herbal extracts traditionally used to support stress and sleep; ashwagandha and rhodiola are particularly marketed for anxiety and fatigue. The product also contains inactive ingredients—magnesium stearate, tricalcium phosphate, and capsule material—that serve as binders and fillers to hold the capsule together.
Does it work?
Moderate evidence
For the herbal ingredients, the evidence is mixed. Ashwagandha is rated Possibly Effective for insomnia, anxiety, stress, and generalized anxiety disorder.
Rhodiola's effectiveness for its marketed uses like anxiety and athletic performance hasn't been reliably established in our data. Holy basil similarly lacks sufficient reliable evidence for the conditions it's used for—anxiety, asthma, headache, and diabetes.
Vitamin C is Effective for vitamin C deficiency and Possibly Effective for a few conditions like cataracts and exercise-related respiratory infections, but most people get enough vitamin C from food. Pantothenic acid is Effective only for pantothenic acid deficiency, which is rare.
How safe is it?
Well-documented data
Vitamin C is well tolerated at normal doses, but doses above 2 grams daily can cause stomach cramps, heartburn, diarrhea, and nausea; very high doses carry a rare risk of kidney stones and kidney damage. Pantothenic acid is generally well tolerated orally, though diarrhea has been reported.
Holy basil appears well tolerated short-term; a small number of trial participants reported nausea or loose stools. Ashwagandha is well tolerated at typical doses, though gastrointestinal upset, diarrhea, nausea, and vomiting can occur; rare case reports describe acute liver problems.
Rhodiola is well tolerated, with dizziness and changes in saliva production reported occasionally. For pregnancy: Vitamin C at normal amounts is likely safe, but high-dose supplements should be avoided without medical advice.
Pantothenic acid is likely safe in pregnancy and while breastfeeding. Holy basil, ashwagandha, and rhodiola should all be avoided during pregnancy and breastfeeding due to insufficient safety data or animal concerns.
Meds to double-check
Moderate interaction found
Before taking this product, check with your pharmacist if you take any of the following: hepatotoxic drugs (liver-stressing medications), estrogens or oral contraceptives, sedating medications or benzodiazepines, antidiabetic drugs, antihypertensive (blood pressure) medications, thyroid hormones, immunosuppressants, blood thinners like warfarin, chemotherapy drugs, or medications metabolized by liver enzymes like CYP2C9, CYP3A4, or P-glycoprotein pathways.
The bottom line
Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
This is a multi-ingredient supplement with documented interactions across a large range of medications. If you take any prescription drugs—especially blood pressure or blood sugar medications, blood thinners, thyroid medication, sedatives, benzodiazepines, immunosuppressants, or chemotherapy—check your exact medications with the tool on this page before starting.
If you're pregnant or breastfeeding, talk to your doctor or pharmacist first.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 5 of 5 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jan 23, 2023.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about Ashwagandha & Rhodiola Complex, straight from the product label.
| Brand | Higher Nature |
|---|---|
| Barcode (UPC) | 5031013108563 |
| Net contents | 30 Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Jan 23, 2023 |
| DSLD ID | 275895 |
| Product type | Botanical With Nutrients |
| Supplement form | Capsule |
| Dietary claims / uses | Nutrient, All Other, Structure/Function |
| Intended target group(s) | Children 4 or More Years of Age, Vegan, Vegetarian, Adult (18 - 50 Years), Women (not pregnant or lactating) |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for Ashwagandha & Rhodiola Complex by Higher Nature, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin C | 50 mg | 63% |
| Pantothenic Acid | 20 mg | 333% |
| Holy Basil extract | 50 mg | -- |
| KSM-66 Ashwagandha root extract | 400 mg | -- |
| Rhodiola root extract | 88 mg | -- |
Other ingredients: Ashwagandha Root Extract, Capsule, Rhodiola rosea root extract, Ascorbic Acid, Holy Basil leaf extract, Calcium D-Pantothenate, Tricalcium Phosphate, Magnesium Stearate
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formulation
No artificial colours, flavours or preservatives. No yeast, added sugar or salt.
Mind Health Advanced formula Optimal benefit
Vegetarian and vegan
Comprehensive formula for full support through challenging times
Storage
Storage: Store in a cool, dry place out of reach of children.
Precautions
Storage: Store in a cool, dry place out of reach of children.
Do not exceed recommended daily intake. Food supplements should not be used as a substitute for a varied and balanced diet and healthy lifestyle.
Warning: Do not take if pregnant or breastfeeding. If taking any medication or have a medical condition, please consult your healthcare professional before using this product.
General Statements
This product has not been tested on animals.
One month's supply
NRV = Nutrient Reference Value
Formula
Ashwagandha & Rhodiola Complex with KSM-66 ashwagandha root extract
KSM-66 ashwagandha for full spectrum complex of active ingredients Unique blend harnessing rhodiola and holy basil with added vitamins C and B5 to support the reduction of tiredness and fatigue - perfect for modern life
FDA Statement of Identity
Food Supplement
Suggested/Recommended/Usage/Directions
Directions: Adults and children 16 years and over, take 1 capsule daily. Do not exceed recommended daily intake. Food supplements should not be used as a substitute for a varied and balanced diet and healthy lifestyle.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Ashwagandha & Rhodiola Complex by Higher Nature label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in Ashwagandha & Rhodiola Complex by Higher Nature
These are the 5 active ingredients this product is made of. Select any to open its full monograph.
Serving size1 Capsule(s) Dosage formCapsule Servings per container30 Amounts shown are per serving.
Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.
Vitamin C
Interacts with207 drugs
Vitamin C (ascorbic acid) is an essential nutrient your body needs but cannot make, so you must get it from food or supplements. It's important for im...
Vitamin C monograph & interactionsPantothenic Acid
No knowninteractions
Pantothenic acid is vitamin B5, an essential nutrient your body uses to turn food into energy. True deficiency is very rare because it is found in nea...
Pantothenic Acid monograph & interactionsHoly Basil extract
Interacts with212 drugs
Holy basil (tulsi) is a traditional Ayurvedic herb most often used today for stress and general wellness, but the human evidence is mostly small and p...
Holy Basil extract monograph & interactionsKSM-66 Ashwagandha root extract
Interacts with1,372 drugs
Ashwagandha is an Ayurvedic herb most often taken to help with stress, anxiety, and sleep, and some small studies suggest it may help, though the evid...
KSM-66 Ashwagandha root extract monograph & interactionsRhodiola root extract
Interacts with1,271 drugs
Rhodiola is an herb traditionally used to fight fatigue and help the body cope with stress. Some small studies suggest it may modestly reduce fatigue...
Rhodiola root extract monograph & interactionsOther (inactive) ingredients: Ashwagandha Root Extract, Capsule, Rhodiola rosea root extract, Ascorbic Acid, Holy Basil leaf extract, Calcium D-Pantothenate, Tricalcium Phosphate, Magnesium Stearate. These complete the product’s ingredient list but are not active constituents.
Ashwagandha & Rhodiola Complex by Higher Nature Drug Interactions
HelloPharmacist Interaction Report
Ashwagandha & Rhodiola Complex by Higher Nature contains five active ingredients, and several of them interact with medications.
The most serious concern is ashwagandha's potential to cause liver damage when taken alongside hepatotoxic drugs—medications that stress the liver. This is a Moderate-severity interaction, and ashwagandha has been linked to acute hepatitis, liver failure, and in rare cases, the need for transplantation.
Read the full breakdown — every affected drug type, severity by severity
Vitamin C in this product interacts with estrogens (oral contraceptives and hormone replacement therapy), where it may increase blood hormone levels by up to 55%. It can also theoretically reduce the effectiveness of certain chemotherapy drugs like alkylating agents and antitumor antibiotics, increase aluminum absorption, and reduce the effectiveness of blood thinners like warfarin at high doses.
Additionally, vitamin C may affect levels of the antipsychotic fluphenazine, the HIV medication indinavir, and the thyroid medication levothyroxine.
Ashwagandha also interacts with sedating medications and benzodiazepines, antidiabetic drugs (raising low blood sugar risk), antihypertensive medications (raising low blood pressure risk), thyroid hormones, and immunosuppressants. Holy basil and rhodiola similarly affect blood sugar medications, blood pressure medications, and immunosuppressants.
Rhodiola additionally interacts with several drug-metabolizing enzyme systems and may increase losartan levels.
Altogether, these interactions span 1,503 individual medications. Use the medication checker below to look up your exact drugs before starting this product.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Ashwagandha & Rhodiola Complex?
Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.
Go to the checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in Ashwagandha & Rhodiola Complex interact with 1,525 drugs. Click any drug to see the details.
4 of the 5 ingredients in Ashwagandha & Rhodiola Complex interact with drugs. Each result below shows which ingredient is responsible. KSM-66 Ashwagandha root extract Rhodiola root extract Holy Basil extract Vitamin C
6-mercaptopurinePurinethol
How 6-mercaptopurine interacts with Ashwagandha & Rhodiola Complex — through 2 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractHepatotoxic Drugs, Immunosuppressants Moderate
Interaction Summary
Theoretically, taking ashwagandha with hepatotoxic drugs might increase the risk of liver damage.
Read the full Ksm-66 Ashwagandha Root Extract + 6-mercaptopurine interactionRhodiola Root ExtractImmunosuppressants Moderate
Interaction Summary
Theoretically, rhodiola use might interfere with immunosuppressive therapy.
Read the full Rhodiola Root Extract + 6-mercaptopurine interactionAbacavir Sulfate, Dolutegravir, LamivudineTriumeq
How Abacavir Sulfate, Dolutegravir, Lamivudine interacts with Ashwagandha & Rhodiola Complex — through 1 ingredient. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, taking ashwagandha with hepatotoxic drugs might increase the risk of liver damage.
Read the full Ksm-66 Ashwagandha Root Extract + Abacavir Sulfate, Dolutegravir, Lamivudine interactionAbacavir, LamivudineEpzicom
How Abacavir, Lamivudine interacts with Ashwagandha & Rhodiola Complex — through 1 ingredient. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, taking ashwagandha with hepatotoxic drugs might increase the risk of liver damage.
Read the full Ksm-66 Ashwagandha Root Extract + Abacavir, Lamivudine interactionAbciximabReoPro
How Abciximab interacts with Ashwagandha & Rhodiola Complex — through 1 ingredient. Tap an ingredient for the detail:
Holy Basil ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, holy basil seed oil might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Read the full Holy Basil Extract + Abciximab interactionAbiraterone
How Abiraterone interacts with Ashwagandha & Rhodiola Complex — through 2 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractHepatotoxic Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, taking ashwagandha with hepatotoxic drugs might increase the risk of liver damage.
Read the full Ksm-66 Ashwagandha Root Extract + Abiraterone interactionRhodiola Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP3A4.
Read the full Rhodiola Root Extract + Abiraterone interactionAbiraterone AcetateYonsa, Zytiga
How Abiraterone Acetate interacts with Ashwagandha & Rhodiola Complex — through 2 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Hepatotoxic Drugs Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP3A4 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Abiraterone Acetate interactionRhodiola Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP3A4.
Read the full Rhodiola Root Extract + Abiraterone Acetate interactionAbrocitinibCibinqo
How Abrocitinib interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractImmunosuppressants Moderate
Interaction Summary
Theoretically, taking ashwagandha might decrease the effects of immunosuppressants.
Read the full Ksm-66 Ashwagandha Root Extract + Abrocitinib interactionHoly Basil ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, holy basil seed oil might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Read the full Holy Basil Extract + Abrocitinib interactionRhodiola Root ExtractImmunosuppressants, Cytochrome P450 2c9 (cyp2c9) Substrates Moderate
Interaction Summary
Theoretically, rhodiola use might interfere with immunosuppressive therapy.
Read the full Rhodiola Root Extract + Abrocitinib interactionAcalabrutinibCalquence
How Acalabrutinib interacts with Ashwagandha & Rhodiola Complex — through 2 ingredients. Tap an ingredient for the detail:
Rhodiola Root ExtractP-glycoprotein Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, rhodiola might increase levels of P-glycoprotein substrates.
Read the full Rhodiola Root Extract + Acalabrutinib interactionKsm-66 Ashwagandha Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP3A4 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acalabrutinib interactionAcarboseGlucobay, Prandase, Precose
How Acarbose interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Holy Basil ExtractAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, holy basil might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Read the full Holy Basil Extract + Acarbose interactionKsm-66 Ashwagandha Root ExtractAntidiabetes Drugs, Hepatotoxic Drugs Moderate
Interaction Summary
Theoretically, taking ashwagandha with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full Ksm-66 Ashwagandha Root Extract + Acarbose interactionRhodiola Root ExtractAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking rhodiola with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full Rhodiola Root Extract + Acarbose interactionAcebutololRhotral, Sectral
How Acebutolol interacts with Ashwagandha & Rhodiola Complex — through 2 ingredients. Tap an ingredient for the detail:
Rhodiola Root ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, taking rhodiola with antihypertensive drugs might increase the risk of hypotension.
Read the full Rhodiola Root Extract + Acebutolol interactionKsm-66 Ashwagandha Root ExtractHepatotoxic Drugs, Antihypertensive Drugs Moderate
Interaction Summary
Theoretically, taking ashwagandha with hepatotoxic drugs might increase the risk of liver damage.
Read the full Ksm-66 Ashwagandha Root Extract + Acebutolol interactionAcenocoumarolSintrom
How Acenocoumarol interacts with Ashwagandha & Rhodiola Complex — through 1 ingredient. Tap an ingredient for the detail:
Holy Basil ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, holy basil seed oil might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Read the full Holy Basil Extract + Acenocoumarol interactionAcepromazineAtravet
How Acepromazine interacts with Ashwagandha & Rhodiola Complex — through 2 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCns Depressants Moderate
Interaction Summary
Theoretically, taking ashwagandha might increase the sedative effects of CNS depressants.
Read the full Ksm-66 Ashwagandha Root Extract + Acepromazine interactionRhodiola Root ExtractCns Depressants Minor
Interaction Summary
Theoretically, rhodiola might increase the risk of adverse effects when taken with CNS depressants.
Read the full Rhodiola Root Extract + Acepromazine interactionAcetaminophenChildren's Tylenol, Children's Tylenol Meltaways, Tylenol, Tylenol Ex Strength
How Acetaminophen interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Hepatotoxic Drugs Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen interactionRhodiola Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.
Read the full Rhodiola Root Extract + Acetaminophen interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with Ashwagandha & Rhodiola Complex — through 4 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Hepatotoxic Drugs Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Aspirin interactionHoly Basil ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, holy basil seed oil might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Read the full Holy Basil Extract + Acetaminophen, Aspirin interactionRhodiola Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.
Read the full Rhodiola Root Extract + Acetaminophen, Aspirin interactionVitamin CAcetaminophen (tylenol, Others), Aspirin Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with Ashwagandha & Rhodiola Complex — through 4 ingredients. Tap an ingredient for the detail:
Holy Basil ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, holy basil seed oil might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Read the full Holy Basil Extract + Acetaminophen, Aspirin, Caffeine interactionKsm-66 Ashwagandha Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Hepatotoxic Drugs +1 Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Aspirin, Caffeine interactionVitamin CAcetaminophen (tylenol, Others), Aspirin Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Aspirin, Caffeine interactionRhodiola Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.
Read the full Rhodiola Root Extract + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Brompheniramine, PhenylpropanolamineDimetapp Cold and Flu
How Acetaminophen, Brompheniramine, Phenylpropanolamine interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractHepatotoxic Drugs, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, taking ashwagandha with hepatotoxic drugs might increase the risk of liver damage.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Brompheniramine, Phenylpropanolamine interactionRhodiola Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.
Read the full Rhodiola Root Extract + Acetaminophen, Brompheniramine, Phenylpropanolamine interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Brompheniramine, Phenylpropanolamine interactionAcetaminophen, ButalbitalAxocet, Bancap, Bucet, Butex Forte, Esgic CF, Orbivan CF +5 more
How Acetaminophen, Butalbital interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractHepatotoxic Drugs, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, taking ashwagandha with hepatotoxic drugs might increase the risk of liver damage.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Butalbital interactionRhodiola Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.
Read the full Rhodiola Root Extract + Acetaminophen, Butalbital interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Butalbital interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates +1 Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP3A4 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Butalbital, Caffeine interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Butalbital, Caffeine interactionRhodiola Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.
Read the full Rhodiola Root Extract + Acetaminophen, Butalbital, Caffeine interactionAcetaminophen, Butalbital, Caffeine, CodeineEsgic with Codeine, Fioricet w/ Codeine
How Acetaminophen, Butalbital, Caffeine, Codeine interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cns Depressants +2 Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Butalbital, Caffeine, Codeine interactionRhodiola Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates +1 Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP3A4.
Read the full Rhodiola Root Extract + Acetaminophen, Butalbital, Caffeine, Codeine interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Butalbital, Caffeine, Codeine interactionAcetaminophen, Butalbital, CodeineBancap w/ Codeine
How Acetaminophen, Butalbital, Codeine interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Hepatotoxic Drugs +1 Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Butalbital, Codeine interactionRhodiola Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cns Depressants Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.
Read the full Rhodiola Root Extract + Acetaminophen, Butalbital, Codeine interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Butalbital, Codeine interactionAcetaminophen, Butalbital, Codeine PhosphatePhrenilin #3
How Acetaminophen, Butalbital, Codeine Phosphate interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCns Depressants, Hepatotoxic Drugs +1 Moderate
Interaction Summary
Theoretically, taking ashwagandha might increase the sedative effects of CNS depressants.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Butalbital, Codeine Phosphate interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Butalbital, Codeine Phosphate interactionRhodiola Root ExtractCns Depressants, Cytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase the risk of adverse effects when taken with CNS depressants.
Read the full Rhodiola Root Extract + Acetaminophen, Butalbital, Codeine Phosphate interactionAcetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, PhenylephrineHycomine Compound
How Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Hepatotoxic Drugs +2 Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionRhodiola Root ExtractCns Depressants, Cytochrome P450 3a4 (cyp3a4) Substrates +1 Minor
Interaction Summary
Theoretically, rhodiola might increase the risk of adverse effects when taken with CNS depressants.
Read the full Rhodiola Root Extract + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionAcetaminophen, Caffeine, CodeineGesic C15, Gesic C30, Gesic C8, Lenoltec 1, Lenoltec 2, Lenoltec 3 +1 more
How Acetaminophen, Caffeine, Codeine interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates +2 Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP3A4 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Caffeine, Codeine interactionRhodiola Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cns Depressants +1 Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.
Read the full Rhodiola Root Extract + Acetaminophen, Caffeine, Codeine interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Caffeine, Codeine interactionAcetaminophen, Caffeine, Codeine, SalicylamideCodalan No.1, Codalan No.2, Codalan No.3
How Acetaminophen, Caffeine, Codeine, Salicylamide interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCns Depressants, Cytochrome P450 3a4 (cyp3a4) Substrates +2 Moderate
Interaction Summary
Theoretically, taking ashwagandha might increase the sedative effects of CNS depressants.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Caffeine, Codeine, Salicylamide interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Caffeine, Codeine, Salicylamide interactionRhodiola Root ExtractCns Depressants, Cytochrome P450 3a4 (cyp3a4) Substrates +1 Minor
Interaction Summary
Theoretically, rhodiola might increase the risk of adverse effects when taken with CNS depressants.
Read the full Rhodiola Root Extract + Acetaminophen, Caffeine, Codeine, Salicylamide interactionAcetaminophen, Caffeine, DihydrocodeineDHC Plus, Panlor DC, Panlor SS
How Acetaminophen, Caffeine, Dihydrocodeine interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cns Depressants +2 Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP3A4 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Caffeine, Dihydrocodeine interactionRhodiola Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates +1 Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP3A4.
Read the full Rhodiola Root Extract + Acetaminophen, Caffeine, Dihydrocodeine interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Caffeine, Dihydrocodeine interactionAcetaminophen, Caffeine, IsomethepteneMigralam
How Acetaminophen, Caffeine, Isometheptene interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Hepatotoxic Drugs +1 Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Caffeine, Isometheptene interactionRhodiola Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP3A4.
Read the full Rhodiola Root Extract + Acetaminophen, Caffeine, Isometheptene interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Caffeine, Isometheptene interactionAcetaminophen, Caffeine, PyrilamineMidol Max Strength Menstrual
How Acetaminophen, Caffeine, Pyrilamine interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates +1 Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP3A4 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Caffeine, Pyrilamine interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Caffeine, Pyrilamine interactionRhodiola Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.
Read the full Rhodiola Root Extract + Acetaminophen, Caffeine, Pyrilamine interactionAcetaminophen, Chlorpheniramine Maleate, Dextromethorphan HbrVicks Formula 44M Cough, Cold & Flu Relief
How Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Serotonergic Drugs +2 Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP3A4 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionRhodiola Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.
Read the full Rhodiola Root Extract + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionAcetaminophen, Chlorpheniramine, Codeine, PhenylephrineColrex
How Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Hepatotoxic Drugs +3 Moderate
Interaction Summary
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionRhodiola Root ExtractCns Depressants, Cytochrome P450 3a4 (cyp3a4) Substrates +1 Minor
Interaction Summary
Theoretically, rhodiola might increase the risk of adverse effects when taken with CNS depressants.
Read the full Rhodiola Root Extract + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, DextromethorphanCoricidin II Extra Strength Cold and Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan interacts with Ashwagandha & Rhodiola Complex — through 3 ingredients. Tap an ingredient for the detail:
Ksm-66 Ashwagandha Root ExtractSerotonergic Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates +2 Moderate
Interaction Summary
Some animal studies have reported that ashwagandha can enhance serotonergic transmission by altering certain serotonin (5-HT) receptors.
Read the full Ksm-66 Ashwagandha Root Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan interactionVitamin CAcetaminophen (tylenol, Others) Minor
Interaction Summary
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
Read the full Vitamin C + Acetaminophen, Chlorpheniramine, Dextromethorphan interactionRhodiola Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.
Read the full Rhodiola Root Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Ashwagandha & Rhodiola Complex with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.
KSM-66 Ashwagandha root extract
Antidiabetes Drugs
Theoretically, taking ashwagandha with antidiabetes drugs might increase the risk of hypoglycemia.
There is preliminary clinical evidence suggesting that ashwagandha might lower blood glucose levels. Theoretically, ashwagandha might have additive effects when used with antidiabetes drugs and increase the risk of hypoglycemia.
Antihypertensive Drugs
Theoretically, taking ashwagandha with antihypertensive drugs might increase the risk of hypotension.
Animal research suggests that ashwagandha might lower systolic and diastolic blood pressure. Theoretically, ashwagandha might have additive effects when used with antihypertensive drugs and increase the risk of hypotension.
Benzodiazepines
Theoretically, taking ashwagandha might increase the sedative effects of benzodiazepines.
There is preliminary evidence that ashwagandha might have an additive effect with diazepam (Valium) and clonazepam (Klonopin). This may also occur with other benzodiazepines.
Cns Depressants
Theoretically, taking ashwagandha might increase the sedative effects of CNS depressants.
Ashwagandha seems to have sedative effects. Theoretically, this may potentiate the effects of barbiturates, other sedatives, and anxiolytics.
Hepatotoxic Drugs
Theoretically, taking ashwagandha with hepatotoxic drugs might increase the risk of liver damage.
Ashwagandha has been linked to cases of acute hepatitis, liver failure, hepatic encephalopathy, autoimmune hepatitis, the need for liver transplantation, and death due to liver failure.
Immunosuppressants
Theoretically, taking ashwagandha might decrease the effects of immunosuppressants.
Ashwagandha has demonstrated immunostimulant effects in humans. Animal research has shown that ashwagandha can attenuate the immunosuppression caused by cyclophosphamide.
Thyroid Hormone
Ashwagandha might increase the effects and adverse effects of thyroid hormone.
Concomitant use of ashwagandha with thyroid hormones may cause additive therapeutic and adverse effects. Preliminary clinical research and animal studies suggest that ashwagandha boosts thyroid hormone synthesis and secretion. In one clinical study, ashwagandha increased triiodothyronine (T3) and thyroxine (T4) levels by 41.5% and 19.6%, respectively, and reduced serum TSH levels by 17.4% from baseline in adults with subclinical hypothyroidism.
Cytochrome P450 1A2 (Cyp1A2) Substrates
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP1A2 substrates.
In vitro research shows that ashwagandha extract induces CYP1A2 enzymes.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, ashwagandha might decrease the levels and clinical effects of CYP3A4 substrates.
In vitro research shows that ashwagandha extract induces CYP3A4 enzymes.
Serotonergic Drugs
Some animal studies have reported that ashwagandha can enhance serotonergic transmission by altering certain serotonin (5-HT) receptors. However, there is no evidence to suggest that ashwagandha increases the risk of serotonin-related effects, and there have been no published case reports of serotonin syndrome when combined with other serotonergic drugs. Nevertheless, due to the lack of extensive studies on the matter and the fact that ashwagandha appears to affect serotonergic pathways, it would be prudent to exercise caution when combining it with drugs that affect serotonin. [References: - Effects of Withania somnifera (Ashwaga ndha) on Stress and the Stress-Related Neuropsychiatric Disorders Anxiety, Depression, and Insomnia. Curr Neuropharmacol. 2021 Sep 14; 19: 1468–1495. - A Prospective, Randomized Double-Blind, Placebo-Controlled Study of Safety and Efficacy of a High-Concentration Full-Spectrum Extract of Ashwagandha Root in Reducing Stress and Anxiety in Adults. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3573577/]
Rhodiola root extract
Antidiabetes Drugs
Theoretically, taking rhodiola with antidiabetes drugs might increase the risk of hypoglycemia.
In vitro and animal research shows that rhodiola extract can decrease blood glucose due to alpha-glucosidase activity.
Antihypertensive Drugs
Theoretically, taking rhodiola with antihypertensive drugs might increase the risk of hypotension.
In vitro and animal research shows that rhodiola extract inhibits angiotensin-converting enzyme (ACE) and might lower blood pressure.
Cytochrome P450 2C9 (Cyp2C9) Substrates
Theoretically, rhodiola might increase levels of drugs metabolized by CYP2C9.
In vitro research shows that rhodiola inhibits CYP2C9. This effect is highly variable and appears to be dependent on the rhodiola product studied. Also, a clinical study in healthy young males found that taking rhodiola extract 290 mg daily for 14 days reduces the metabolism of losartan, a CYP2C9 substrate, by 21% after 4 hours.
Immunosuppressants
Theoretically, rhodiola use might interfere with immunosuppressive therapy.
In vitro and animal research show that rhodiola has immunostimulatory effects.
Losartan (Cozaar)
Rhodiola might increase the levels and adverse effects of losartan.
A clinical study in healthy young males found that taking rhodiola extract 290 mg daily for 14 days reduces the metabolism of losartan, a CYP2C9 substrate, by 21% after 4 hours.
P-Glycoprotein Substrates
Theoretically, rhodiola might increase levels of P-glycoprotein substrates.
In vitro research shows that rhodiola inhibits P-glycoprotein. Theoretically, using rhodiola with P-glycoprotein substrates might increase drug levels and potentially increase the risk of adverse effects.
Antidepressant Drugs
Theoretically, rhodiola might increase the risk of adverse effects when taken with antidepressants.
A review of adverse event reports in Poland identified cases of tachyarrhythmias, myalgia, arthralgia, gum pain, restless leg syndrome, swallowing disorders, and changes in consciousness when rhodiola was taken in combination with paroxetine, escitalopram, fluoxetine, sertraline, trazodone, and/or duloxetine.
Cns Depressants
Theoretically, rhodiola might increase the risk of adverse effects when taken with CNS depressants.
A review of adverse event reports in Poland identified cases of excessive sedation, myoclonus, hypotension, and hallucinations when rhodiola was taken with haloperidol, diazepam, or alprazolam.
Cytochrome P450 1A2 (Cyp1A2) Substrates
Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.
In vitro research shows that rhodiola inhibits CYP1A2. This effect is highly variable and appears to be dependent on the rhodiola product studied. However, a clinical study in healthy young males found that taking rhodiola extract 290 mg daily for 14 days does not inhibit the metabolism of caffeine, a CYP1A2 substrate.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, rhodiola might increase levels of drugs metabolized by CYP3A4.
In vitro research shows that rhodiola inhibits CYP3A4. This effect is highly variable and appears to be dependent on the rhodiola product studied. However, a clinical study in healthy young males found that taking rhodiola extract 290 mg daily for 14 days does not inhibit the metabolism of midazolam, a CYP3A4 substrate.
Holy Basil extract
Anticoagulant/Antiplatelet Drugs
Theoretically, holy basil seed oil might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Animal research shows that holy basil seed oil can prolong bleeding time, possibly due to inhibition of platelet aggregation. However, it is not known if this occurs in humans.
Antidiabetes Drugs
Theoretically, holy basil might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Small clinical studies show that taking holy basil can decrease fasting blood glucose and other measures of glycemic control in patients with type 2 diabetes.
Pentobarbital (Nembutal)
Theoretically, holy basil seed oil might increase the sedative effects of pentobarbital.
Animal research shows that holy basil seed oil increases pentobarbitone-induced sleeping time. However, it is not known if this occurs in humans or if this applies to other barbiturates or sedatives.
Vitamin C
Alkylating Agents
Theoretically, antioxidant effects of vitamin C might reduce the effectiveness of alkylating agents.
The use of antioxidants like vitamin C during chemotherapy is controversial. There is concern that antioxidants could reduce the activity of chemotherapy drugs that generate free radicals, such as cyclophosphamide, chlorambucil, carmustine, busulfan, and thiotepa. In contrast, some researchers theorize that antioxidants might make chemotherapy more effective by reducing oxidative stress that could interfere with apoptosis (cell death) of cancer cells. More evidence is needed to determine what effect, if any, antioxidants such as vitamin C have on chemotherapy.
Aluminum
Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Research in animals and humans shows that vitamin C increases aluminum absorption, theoretically by chelating aluminum and keeping it in solution where it is available for absorption. In people with normal renal function, urinary excretion of aluminum will likely increase, making aluminum retention and toxicity unlikely. Patients with renal failure who take aluminum-containing compounds such as phosphate binders should avoid vitamin C supplements in doses above the recommended dietary allowances.
Antitumor Antibiotics
Theoretically, the antioxidant effects of vitamin C might reduce the effectiveness of antitumor antibiotics.
The use of antioxidants like vitamin C during chemotherapy is controversial. There is concern that antioxidants could reduce the activity of chemotherapy drugs which generate free radicals, such as doxorubicin. In contrast, some researchers theorize that antioxidants might make chemotherapy more effective by reducing oxidative stress that could interfere with apoptosis (cell death) of cancer cells. More evidence is needed to determine what effects, if any, antioxidants such as vitamin C have on chemotherapy.
Estrogens
Vitamin C might increase blood levels of estrogens.
Increases in plasma estrogen levels of up to 55% occur under some circumstances when vitamin C is taken concurrently with oral contraceptives or hormone replacement therapy, including topical products. It is suggested that vitamin C prevents oxidation of estrogen in the tissues, regenerates oxidized estrogen, and reduces sulfate conjugation of estrogen in the gut wall. When tissue levels of vitamin C are high, these processes are already maximized and supplemental vitamin C does not have any effect on estrogen levels. Increases in plasma estrogen levels may occur when patients who are deficient in vitamin C take supplements. Monitor these patients for estrogen-related side effects.
Fluphenazine (Prolixin)
Theoretically, vitamin C might decrease levels of fluphenazine.
In one patient there was a clinically significant decrease in fluphenazine levels when vitamin C (500 mg twice daily) was started. The mechanism is not known, and there is no further data to confirm this interaction.
Indinavir (Crixivan)
Vitamin C can modestly reduce indinavir levels.
One pharmacokinetic study shows that taking vitamin C 1 gram orally once daily along with indinavir 800 mg orally three times daily reduces the area under the concentration-time curve of indinavir by 14%. The mechanism of this interaction is unknown, but it is unlikely to be clinically significant in most patients. The effect of higher doses of vitamin C on indinavir levels is unknown.
Levothyroxine (Synthroid, Others)
Vitamin C can increase levothyroxine absorption.
Two clinical studies in adults with poorly controlled hypothyroidism show that swallowing levothyroxine with a glass of water containing vitamin C 500-1000 mg in solution reduces thyroid stimulating hormone (TSH) levels and increases thyroxine (T4) levels when compared with taking levothyroxine alone. This suggests that vitamin C increases the oral absorption of levothyroxine, possibly due to a reduction in pH.
Warfarin (Coumadin)
High-dose vitamin C might reduce the levels and effectiveness of warfarin.
Vitamin C in high doses may cause diarrhea and possibly reduce warfarin absorption. There are reports of two people who took up to 16 grams daily of vitamin C and had a reduction in prothrombin time. Lower doses of 5-10 grams daily can also reduce warfarin absorption. In many cases, this does not seem to be clinically significant. However, a case of warfarin resistance has been reported for a patient who took vitamin C 500 mg twice daily. Cessation of vitamin C supplementation resulted in a rapid increase in international normalized ratio (INR). Tell patients taking warfarin to avoid taking vitamin C in excessively high doses (greater than 10 grams daily). Lower doses may be safe, but the anticoagulation activity of warfarin should be monitored. Patients who are stabilized on warfarin while taking vitamin C should avoid adjusting vitamin C dosage to prevent the possibility of warfarin resistance.
Acetaminophen (Tylenol, Others)
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
A small pharmacokinetic study in healthy volunteers shows that taking high-dose vitamin C (3 grams) 1.5 hours after taking acetaminophen 1 gram slightly increases the apparent half-life of acetaminophen from around 2.3 hours to 3.1 hours. Ascorbic acid competitively inhibits sulfate conjugation of acetaminophen. However, to compensate, elimination of acetaminophen glucuronide and unconjugated acetaminophen increases. This effect is not likely to be clinically significant.
Aspirin
Acidification of the urine by vitamin C might increase aspirin levels.
It has been suggested that acidification of the urine by vitamin C could increase reabsorption of salicylates by the renal tubules, and increase plasma salicylate levels. However, short-term use of up to 6 grams daily of vitamin C does not seem to affect urinary pH or salicylate excretion, suggesting this interaction is not clinically significant.
Choline Magnesium Trisalicylate (Trilisate)
Acidification of the urine by vitamin C might increase choline magnesium trisalicylate levels.
It has been suggested that acidification of the urine by vitamin C could increase reabsorption of salicylates by the renal tubules, and increase plasma salicylate levels. However, short-term use of up to 6 grams daily of vitamin C does not seem to affect urinary pH or salicylate excretion, suggesting this interaction probably is not clinically significant.
Niacin
Vitamin C might decrease the beneficial effects of niacin on high-density lipoprotein (HDL) cholesterol levels.
A combination of niacin and simvastatin (Zocor) effectively raises HDL cholesterol levels in patients with coronary disease and low HDL levels. Clinical research shows that taking a combination of antioxidants (vitamin C, vitamin E, beta-carotene, and selenium) along with niacin and simvastatin (Zocor) attenuates this rise in HDL, specifically the HDL-2 and apolipoprotein A1 fractions, by more than 50% in patients with coronary disease. It is not known whether this adverse effect is due to a single antioxidant such as vitamin C, or to the combination. It also is not known whether it will occur in other patient populations.
Salsalate (Disalcid)
Acidification of the urine by vitamin C might increase salsalate levels.
It has been suggested that acidification of the urine by vitamin C could increase reabsorption of salicylates by the renal tubules, and increase plasma salicylate levels. However, short-term use of up to 6 grams/day vitamin C does not seem to affect urinary pH or salicylate excretion, suggesting this interaction probably is not clinically significant.
Brand information
Manufacturer and brand details for Ashwagandha & Rhodiola Complex, from the product label.
Higher Nature
See all Higher Nature products- Name
- Higher Nature Ltd (EU)
- Street Address
- Block 1, Blanchardstown Corporate Park, Ballycoolen Road
- City
- Dublin
- ZipCode
- D15 AKK1
- Web Address
- highernature.com
Ashwagandha & Rhodiola Complex by Higher Nature: Common Questions
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Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.
The Full Monographs Behind Ashwagandha & Rhodiola Complex’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Vitamin C
Interacts with 207 drugsVitamin C (ascorbic acid) is an essential nutrient your body needs but cannot make, so you must get it from food or supplements. It's important for immune function, collagen, and acts as an...
Read the full Vitamin C monograph → Herb & supplement monographPantothenic Acid
Pantothenic acid is vitamin B5, an essential nutrient your body uses to turn food into energy. True deficiency is very rare because it is found in nearly all foods, and most people meet thei...
Read the full Pantothenic Acid monograph → Herb & supplement monographHoly Basil
Interacts with 212 drugsHoly basil (tulsi) is a traditional Ayurvedic herb most often used today for stress and general wellness, but the human evidence is mostly small and preliminary. It is generally well tolerat...
Read the full Holy Basil monograph → Herb & supplement monographAshwagandha
Interacts with 1,372 drugsAshwagandha is an Ayurvedic herb most often taken to help with stress, anxiety, and sleep, and some small studies suggest it may help, though the evidence is still limited. It is generally w...
Read the full Ashwagandha monograph → Herb & supplement monographRhodiola
Interacts with 1,271 drugsRhodiola is an herb traditionally used to fight fatigue and help the body cope with stress. Some small studies suggest it may modestly reduce fatigue and improve mood, but the evidence is li...
Read the full Rhodiola monograph →Sources & How We Checked
Ashwagandha & Rhodiola Complex's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 115 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Vitamin C 51 references
- McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
- Back DJ, Breckenridge AM, MacIver M, et al. Interaction of ethinyloestradiol with ascorbic acid in man. Br Med J (Clin Res Ed) 1981;282:1516.
- Morris JC, Beeley L, Ballantine N. Interaction of ethinyloestradiol with ascorbic acid in man [letter]. Br Med J (Clin Res Ed) 1981;283:503.
- Labriola D, Livingston R. Possible interactions between dietary antioxidants and chemotherapy. Oncology 1999;13:1003-8.
- Dwyer JH, Merz NB, Shirocre AM, et al. Progression of early atherosclerosis and intake of vitamin C and vitamin E from supplements and food. The Los Angeles Atherosclerosis Study. 41st Annual Conference on Cardiovascular Disease Epidemiology and Prevent
- Levine M, Rumsey SC, Daruwala R, et al. Criteria and recommendations for vitamin C intake. JAMA 1999;281:1415-23. PubMed
- Hansten PD, Horn JR. Drug Interactions Analysis and Management. Vancouver, WA: Applied Therapeutics Inc., 1997 and updates.
- Segal S, Kaminski S. Drug-nutrient interactions. American Druggist 1996 Jul;42-8.
- Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Vitamin C, Vitamin E, Selenium, and Carotenoids. Washington, DC: National Academy Press, 2000. Available at: http://www.nap.edu/books/0309069351/html/.
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