StemFlo Ingredients & Drug Interactions
by Stemtech
What is this page for?
First and foremost: checking StemFlo 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
StemFlo is a dietary supplement by Stemtech with 5 active ingredients. Its ingredients are commonly taken for wound healing, varicose veins and poor circulation, anxiety and stress.Based on those ingredients, 1,510 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Grape pomace extract, Gotu Kola extract, Amla extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
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HelloPharmacist Scorecard of StemFlo by Stemtech
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
Low disclosure
StemFlo contains 7 ingredients, most of them plant extracts. The active components are gotu kola extract (used in traditional medicine for circulation and skin healing), amla extract (also called Indian gooseberry, a rich source of vitamin C), lemon extract, black currant extract (which includes gamma-linolenic acid), cacao powder (which contains caffeine and compounds called flavonoids), turmeric extract (the source of curcumin), and a proprietary enzyme blend whose specific makeup isn't disclosed.
The product also includes vegetarian capsule material, cellulose, and silica as inactive ingredients.
Does it work?
Moderate evidence
The evidence for StemFlo's ingredients is mixed and incomplete. Gotu kola is rated possibly effective for venous insufficiency and burns, but possibly ineffective for radiation dermatitis and cognitive function — there's insufficient evidence for anxiety or Alzheimer's disease.
Amla extract shows possibly effective rating for GERD and dyslipidemia (high cholesterol), though evidence for baldness is insufficient. Lemon, black currant, and cacao lack sufficient evidence in our data for most uses they're traditionally associated with.
Cacao is rated possibly effective for cardiovascular disease. Turmeric extract is possibly effective for depression, high cholesterol, hay fever, and digestive discomfort.
Overall, the evidence base for this combination is not well established.
How safe is it?
Well-documented data
Most ingredients in StemFlo are generally well tolerated in food amounts, but concentrated supplements raise more concern. Gotu kola is considered well tolerated short-term, though liver issues have been reported in rare cases; it's best avoided in pregnancy and during breastfeeding due to insufficient safety data.
Amla supplement safety is less well studied than its safety as a food; it should be avoided in pregnancy and breastfeeding. Lemon in food is safe, but medicinal amounts lack study.
Black currant berry is safe as a food, but concentrated supplements need caution — mild diarrhea has been reported. Cacao contains caffeine, which passes into breast milk; it's possibly safe in pregnancy but possibly unsafe at high doses.
Turmeric is likely safe in food and pregnancy at normal levels, but concentrated supplements carry a risk of liver damage — at least 70 reports of liver injury have been associated with turmeric supplements, though most resolved after stopping. The most common side effects across ingredients are mild gastrointestinal upset (nausea, heartburn, constipation) and, rarely, liver concerns.
Meds to double-check
Moderate interaction found
Before taking StemFlo, check with your doctor or pharmacist if you take blood thinners or antiplatelet drugs (warfarin, aspirin, clopidogrel, apixaban, rivaroxaban — these carry Moderate bleeding-risk interactions), diabetes medications (risk of low blood sugar), CNS depressants like benzodiazepines or sleep aids (increased sedation), cancer drugs like tamoxifen or chemotherapy agents, tacrolimus (an immunosuppressant), antifungals like itraconazole, or any medication metabolized by your liver. Also mention if you take ephedrine, dipyridamole, quinolone antibiotics, beta-blockers, or antihypertensive drugs — cacao's caffeine content affects these.
No interactions are documented for the Proprietary Enzyme Blend, as we hold no data for it.
The bottom line
Scorecard at a glanceFormula with limited ingredient disclosure with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
StemFlo may appeal to someone looking for traditional plant extracts for circulation, digestion, or general wellness, but it carries real medication interactions — especially with blood thinners, diabetes drugs, and certain cancer medications. If you take any prescription drug, especially for your heart, blood pressure, or liver, check with your doctor or pharmacist before starting this product.
Pregnant or breastfeeding persons should discuss it with their healthcare provider first, given limited safety data for several ingredients.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 6 of 7 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Feb 24, 2017.
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 StemFlo, straight from the product label.
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 StemFlo by Stemtech, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Proprietary Enzyme Blend | 0 NP | -- |
| Gotu Kola extract | 0 NP | -- |
| Proprietary Blend (Combination) | 1525 mg | -- |
| Amla extract | 0 NP | -- |
| Lemon extract | 0 NP | -- |
| Black Currant extract | 0 NP | -- |
| Grape pomace extract | 0 NP | -- |
| Cacao powder | 0 NP | -- |
| Turmeric extract | 0 NP | -- |
Other ingredients: Vegetarian Capsule, Cellulose, Silica
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.
Brand IP Statement(s)
StemFlo contains a proprietary combination of active botanicals— packed with powerful antioxidants—and specially selected enzymes to support the smooth, easy flow of the body’s own stem cells, oxygen and nutrients to tissues and organs. This fast-acting, unique blend is scientifically formulated to maintain healthy fibrin levels, reduce oxidative stress, purify the blood of toxins, and support healthy inflammation levels.
General Statements
StemFlo is designed to work throughout the body to support healthy circulation and blood flow.
Product of USA
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Precautions
Warnings: As with all dietary supplements, it is recommended that you consult your physician if you are pregnant, nursing, under treatment for any illness or taking anticoagulants or other medication.
Keep out of reach of children and pets.
Keep out of reach of children and pets.
Do not use if safety seal is broken.
Suggested/Recommended/Usage/Directions
Suggested Use: Take 3 capsules, once daily; 45 minutes before or 2 hours after a meal.
Formulation
Gluten Free. Contains no sugar, artificial colors, artificial flavors, dairy, yeast or preservatives.
Storage
Keep in a cool dry place. Do not refrigerate.
General
REV1-OCT15 Item Code: 1701
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
StemFlo by Stemtech 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 StemFlo by Stemtech
These are the 5 active ingredients this product is made of. Select any to open its full monograph.
Serving size3 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.
Proprietary Blend (Combination)
- › Proprietary Enzyme Blend
- › Gotu Kola extract
- › Amla extract
- › Lemon extract
- › Grape pomace extract
Other (inactive) ingredients: Vegetarian Capsule, Cellulose, Silica. These complete the product’s ingredient list but are not active constituents.
StemFlo by Stemtech Drug Interactions
HelloPharmacist Interaction Report
StemFlo by Stemtech contains several ingredients with documented interactions with medications.
The most serious concern is with gotu kola, lemon, black currant, cacao, and turmeric — which together may increase the risk of bleeding when used with blood thinners (anticoagulants) or antiplatelet drugs like aspirin and clopidogrel (Plavix). This is a Moderate severity interaction.
Additionally, gotu kola may increase sedation when combined with CNS depressants (sedatives, sleep aids, anxiety medications), and theoretically add to liver stress if you're taking drugs known to affect the liver.
Read the full breakdown — every affected drug type, severity by severity
Cacao powder in this formula contains caffeine, which interacts with several medications: it may reduce the effects of the blood pressure medication dipyridamole (Persantine), increase bleeding risk or serious stimulant side effects with ephedrine, and boost caffeine levels when taken with quinolone antibiotics or the drug disulfiram (Antabuse). Cacao may also interfere with stress-test results if you're on dipyridamole.
Amla extract (Indian gooseberry) may increase bleeding risk with blood thinners and aspirin, and could lower blood sugar too much if you take diabetes medications — dose adjustments might be needed. Turmeric extract carries Moderate interactions with several cancer drugs, the immunosuppressant tacrolimus (Prograf), and others; it may also add to liver concerns.
Black currant may raise bleeding risk with anticoagulants and theoretically increase seizure risk in patients taking phenothiazines (antipsychotics).
Lemon extract has a Minor interaction with the antifungal itraconazole (Sporanox). One ingredient — the Proprietary Enzyme Blend — we could not check against our data.
Altogether, these interactions span 1,483 individual medications. Run your exact medications through the checker below before starting this product, especially if you take blood thinners, diabetes drugs, antidepressants, or any liver-affecting medication.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against StemFlo?
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 StemFlo interact with 1,510 drugs. Click any drug to see the details.
4 of the 5 ingredients in StemFlo interact with drugs. Each result below shows which ingredient is responsible. Grape pomace extract Gotu Kola extract Amla extract Lemon extract
Afatinib DimaleateGilotrif
How Afatinib Dimaleate interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Afatinib Dimaleate interactionAlvimopanEntereg
How Alvimopan interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Alvimopan interactionApomorphineAPO-go, APO-go Pen, APO-go PFS, Apokyn, Uprima
How Apomorphine interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Apomorphine interactionApomorphine HydrochlorideKynmobi
How Apomorphine Hydrochloride interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Apomorphine Hydrochloride interactionAvatrombopag MaleateDoptelet
How Avatrombopag Maleate interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Avatrombopag Maleate interactionBerotralstat HydrochlorideOrladeyo
How Berotralstat Hydrochloride interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Berotralstat Hydrochloride interactionBetamethasoneCelestone, Diprolene AF, Diprosone
How Betamethasone interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Betamethasone interactionBetamethasone DipropionateSernivo
How Betamethasone Dipropionate interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Betamethasone Dipropionate interactionBetamethasone Dipropionate, CalcipotrieneEnstilar, Wynzora
How Betamethasone Dipropionate, Calcipotriene interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Betamethasone Dipropionate, Calcipotriene interactionBetamethasone ValerateLuxiq
How Betamethasone Valerate interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Betamethasone Valerate interactionBirth Control PillsBirth control pills
How Birth Control Pills interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Cacao PowderContraceptive Drugs Minor
Interaction Summary
Theoretically, concomitant use might increase the effects and adverse effects of caffeine found in cocoa.
Read the full Cacao Powder + Birth Control Pills interactionBupivacaine, MeloxicamZynrelef Kit
How Bupivacaine, Meloxicam interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Grape Pomace ExtractCytochrome P450 2c9 (cyp2c9) Substrates Minor
Interaction Summary
It is unclear if grape juice or grape seed extract inhibits CYP2C9; research is conflicting.
Read the full Grape Pomace Extract + Bupivacaine, Meloxicam interactionCelecoxibCelebrex, Elyxyb
How Celecoxib interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Grape Pomace ExtractCytochrome P450 2c9 (cyp2c9) Substrates Minor
Interaction Summary
It is unclear if grape juice or grape seed extract inhibits CYP2C9; research is conflicting.
Read the full Grape Pomace Extract + Celecoxib interactionClobetasolClobex, Temovate
How Clobetasol interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Clobetasol interactionCortisone AcetateCortisone Tablets, Cortone
How Cortisone Acetate interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Cortisone Acetate interactionDigoxinDigitek, Lanoxicaps, Lanoxin
How Digoxin interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Digoxin interactionDolutegravirTivicay
How Dolutegravir interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Dolutegravir interactionDomperidoneMotilium
How Domperidone interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Domperidone interactionFam-trastuzumab, Deruxtecan-nxkiEnhertu
How Fam-trastuzumab, Deruxtecan-nxki interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Fam-trastuzumab, Deruxtecan-nxki interactionFidaxomicinDificid
How Fidaxomicin interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Fidaxomicin interactionFludrocortisoneFlorinef Acetate
How Fludrocortisone interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Fludrocortisone interactionFlurbiprofenAnsaid, Flurbiprofen, Flurprofen, Froben, Froben SR, Ocufen
How Flurbiprofen interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Grape Pomace ExtractCytochrome P450 2c9 (cyp2c9) Substrates Minor
Interaction Summary
It is unclear if grape juice or grape seed extract inhibits CYP2C9; research is conflicting.
Read the full Grape Pomace Extract + Flurbiprofen interactionGestodeneMinesse
How Gestodene interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Cacao PowderContraceptive Drugs Minor
Interaction Summary
Theoretically, concomitant use might increase the effects and adverse effects of caffeine found in cocoa.
Read the full Cacao Powder + Gestodene interactionIndomethacinIndo-Lemmon, Indocin, Indocin SR, Indomethagan, Tivorbex
How Indomethacin interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Grape Pomace ExtractCytochrome P450 2c9 (cyp2c9) Substrates Minor
Interaction Summary
It is unclear if grape juice or grape seed extract inhibits CYP2C9; research is conflicting.
Read the full Grape Pomace Extract + Indomethacin interactionIvermectinMectizan, Sklice, Soolantra, Stromectol
How Ivermectin interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Ivermectin interactionLactic Acid, Citric Acid, Potassium BitartratePhexxi
How Lactic Acid, Citric Acid, Potassium Bitartrate interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Cacao PowderContraceptive Drugs Minor
Interaction Summary
Theoretically, concomitant use might increase the effects and adverse effects of caffeine found in cocoa.
Read the full Cacao Powder + Lactic Acid, Citric Acid, Potassium Bitartrate interactionLedipasvir, SofosbuvirHarvoni
How Ledipasvir, Sofosbuvir interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Ledipasvir, Sofosbuvir interactionLesinuradZurampic
How Lesinurad interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Grape Pomace ExtractCytochrome P450 2c9 (cyp2c9) Substrates Minor
Interaction Summary
It is unclear if grape juice or grape seed extract inhibits CYP2C9; research is conflicting.
Read the full Grape Pomace Extract + Lesinurad interactionLoncastuximab Tesirine-lpylZynlontab
How Loncastuximab Tesirine-lpyl interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Loncastuximab Tesirine-lpyl interactionLoperamideImodium, Loperamide
How Loperamide interacts with StemFlo — through 1 ingredient. Tap an ingredient for the detail:
Turmeric ExtractP-glycoprotein Substrates Minor
Interaction Summary
Theoretically, turmeric might increase the absorption of P-glycoprotein substrates.
Read the full Turmeric Extract + Loperamide interactionEach ingredient & the kinds of drugs it affects
For each ingredient in StemFlo 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.
Grape pomace extract
Anticoagulant/Antiplatelet Drugs
Theoretically, grape extracts may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
In vitro evidence suggests that grape extracts might decrease platelet aggregation.
Cyclosporine (Neoral, Sandimmune)
Ingesting grape juice with cyclosporine can reduce cyclosporine absorption.
A small pharmacokinetic study in healthy young adults shows that intake of purple grape juice 200 mL along with cyclosporine can decrease the absorption of cyclosporine by up to 30% when compared with water. Separate doses of grape juice and cyclosporine by at least 2 hours to avoid this interaction.
Cytochrome P450 1A2 (Cyp1A2) Substrates
Theoretically, grape juice might reduce the levels of CYP1A2 substrates.
A small pharmacokinetic study in healthy adults shows that ingestion of 200 mL of grape juice decreases phenacetin plasma levels. This is thought to be due to induction of CYP1A2.
Cytochrome P450 2D6 (Cyp2D6) Substrates
Theoretically, grape seed extract may increase the levels of CYP2D6 substrates.
In vitro evidence suggests that grape seed extract might inhibit CYP2D6 enzymes. However, this interaction has not been reported in humans.
Cytochrome P450 2E1 (Cyp2E1) Substrates
Theoretically, grape seed extract might increase the levels of CYP2E1 substrates.
In vitro and animal research suggests that grape seed proanthocyanidin extract inhibits CYP2E1 enzymes. However, this interaction has not been reported in humans.
Cytochrome P450 3A4 (Cyp3A4) Substrates
It is unclear if grape seed extract inhibits or induces CYP3A4; research is conflicting.
In vitro evidence suggests that grape seed extract might inhibit CYP3A4 enzymes. However, evidence from animal research shows that grape seed extract may induce CYP3A4 in the liver. So far, these interactions have not been reported in humans.
Midazolam (Versed)
Theoretically, long-term intake of grape seed extract might decrease the effects of midazolam.
Animal research shows that subchronic ingestions of grape seed extract can increase the elimination of intravenous midazolam by increasing hepatic CYP3A4 activity. Single doses of grape seed extract do not appear to affect midazolam elimination.
Phenacetin
Grape juice might decrease phenacetin absorption.
A small pharmacokinetic study in healthy adults shows that ingestion of 200 mL of grape juice decreases phenacetin plasma levels. This is thought to be due to induction of cytochrome P450 1A2 (CYP1A2).
Cytochrome P450 2C9 (Cyp2C9) Substrates
It is unclear if grape juice or grape seed extract inhibits CYP2C9; research is conflicting.
In vitro evidence shows that grape seed extract or grape juice might inhibit CYP2C9 enzymes. However, a small pharmacokinetic study in healthy adults shows that drinking 8 ounces of grape juice once does not affect the clearance of flurbiprofen, a probe-drug for CYP2C9 metabolism. The effects of continued grape juice consumption are unclear.
Gotu Kola extract
Cns Depressants
Theoretically, taking gotu kola might increase the sedative effects of CNS depressants.
In vitro research suggests that gotu kola may have sedative effects via binding of GABA receptors.
Hepatotoxic Drugs
Theoretically, taking gotu kola with hepatotoxic drugs might have additive adverse effects.
There are at least four case reports of hepatotoxicity associated with the use of gotu kola. However, more information is needed to determine if gotu kola was the causative factor in these cases.
Amla extract
Anticoagulant/Antiplatelet Drugs
Theoretically, Indian gooseberry may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs; however, research is conflicting.
Clinical research shows that taking Indian gooseberry 500 mg as a single dose or twice daily for 10 days reduces platelet aggregation by about 24% to 36%, increases bleeding time by about 3.8-5.9 seconds, and increases clotting time by about 9.8-12.7 seconds when compared to baseline. However, taking Indian gooseberry 500 mg along with clopidogrel 75 mg or ecosprin 75 mg, as a single dose or for 10 days, does not significantly reduce platelet aggregation or increase bleeding time or clotting time when compared with clopidogrel 75 mg or ecosprin 75 mg alone. Until more is known, use caution when taking Indian gooseberry in combination with anticoagulant/antiplatelet drugs.
Antidiabetes Drugs
Taking Indian gooseberry with antidiabetes drugs might increase the risk of hypoglycemia.
Clinical research shows that taking Indian gooseberry fruit or fruit extract alone or in conjunction with antidiabetes medications can lower blood glucose levels. Dose adjustments to diabetes medications might be necessary.
Aspirin
Theoretically, Indian gooseberry may increase the risk of bleeding if used with aspirin; however, research is conflicting.
Clinical research shows that taking Indian gooseberry 500 mg as a single dose or twice daily for 10 days reduces platelet aggregation by about 24% to 36%, increases bleeding time by about 3.8-5.9 seconds, and increases clotting time by about 9.8-12.7 seconds when compared to baseline. However, taking a single dose of Indian gooseberry 500 mg along with ecosprin 75 mg, or taking a combination of Indian gooseberry 500 mg twice daily plus ecosprin 75 mg once daily for 10 days, does not significantly reduce platelet aggregation or increase bleeding time or clotting time when compared with ecosprin 75 mg alone.
Clopidogrel (Plavix)
Theoretically, Indian gooseberry may increase the risk of bleeding if used with clopidogrel; however, research is conflicting.
Clinical research shows that taking Indian gooseberry 500 mg as a single dose or twice daily for 10 days reduces platelet aggregation by about 24% to 36%, increases bleeding time by about 3.8-5.9 seconds, and increases clotting time by about 9.8-12.7 seconds when compared to baseline. However, taking a single dose of Indian gooseberry 500 mg along with clopidogrel 75 mg, or taking a combination of Indian gooseberry 500 mg twice daily plus clopidogrel 75 mg once daily for 10 days, does not significantly reduce platelet aggregation or increase bleeding time or clotting time when compared with clopidogrel 75 mg alone.
Lemon extract
Itraconazole (Sporanox)
Theoretically, taking itraconazole capsules or tablets with a beverage containing lemon might increase the levels and clinical effects of itraconazole.
In one case report, dissolving itraconazole tablets in a small amount of specific beverages containing lemon prior to administration increased the level of itraconazole in a lung transplant patient. In this case, the increased bioavailability was desirable and was likely due to improved tablet dissolution in the acidic beverage.
Brand information
Manufacturer and brand details for StemFlo, from the product label.
Stemtech
See all Stemtech products- Name
- Stemtech HealthSciences Corp.
- City
- Pembroke Pines
- State
- FL
- ZipCode
- 33028
- Phone Number
- 1-888-783-6832
- Web Address
- www.stemtech.com
StemFlo by Stemtech: Common Questions
Does StemFlo by Stemtech interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Does this product really work for better circulation or joint health?
Can I take this if I'm on a blood thinner like warfarin or aspirin?
Is it safe to take this while pregnant or breastfeeding?
What's the most common side effect I might notice?
I take diabetes medication. Is StemFlo safe for me?
Why does this product have so many different extracts in it?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if StemFlo is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
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 StemFlo’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Gotu Kola
Interacts with 579 drugsGotu kola is a traditional Ayurvedic and Asian herb that people use for wound healing, circulation, skin problems, and as a calming or memory-supporting herb. Some early studies suggest poss...
Read the full Gotu Kola monograph → Herb & supplement monographIndian Gooseberry
Interacts with 208 drugsIndian gooseberry (amla) is a vitamin C-rich fruit used in Ayurvedic medicine for many purposes, from antioxidant support to cholesterol and digestion. Early research is promising for some u...
Read the full Indian Gooseberry monograph → Herb & supplement monographLemon
Interacts with 1 drugLemon is a common citrus fruit that is a good source of vitamin C and citric acid, and it is widely used in food, drinks, and home remedies. While it can support hydration and a healthy diet...
Read the full Lemon monograph → Herb & supplement monographGrape
Interacts with 910 drugsGrapes and grape products like grape seed extract contain antioxidant compounds such as resveratrol and proanthocyanidins that may support heart and blood vessel health. While the food is he...
Read the full Grape monograph →Sources & How We Checked
StemFlo'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 287 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.
Gotu Kola 18 references
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- Izu, R., Aguirre, A., Gil, N., and Diaz-Perez, J. L. Allergic contact dermatitis from a cream containing Centella asiatica extract. Contact Dermatitis 1992;26(3):192-193.
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- Danese, P., Carnevali, C., and Bertazzoni, M. G. Allergic contact dermatitis due to Centella asiatica extract. Contact Dermatitis 1994;31(3):201.
- Bilbao, I., Aguirre, A., Zabala, R., Gonzalez, R., Raton, J., and Diaz Perez, J. L. Allergic contact dermatitis from butoxyethyl nicotinic acid and Centella asiatica extract. Contact Dermatitis 1995;33(6):435-436.
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Indian Gooseberry 6 references
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- Akhtar MS, Ramzan A, Ali A, Ahmad M. Effect of amla fruit (Emblica officinalis Gaertn.) on blood glucose and lipid profile of normal subjects and type 2 diabetic patients. Int J Food Sci Nutr. 2011;62(6):609-16.
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Lemon 2 references
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- Umemura K, Katada Y, Nakagawa S, et al. Improved absorption of itraconazole tablet by co-administration with lemon beverages in a lung transplant recipient: A case report. J Infect Chemother 2022;28(8):1203-1207. PubMed
Black Currant 6 references
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Grape 34 references
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- Ward NC, Hodgson JM, Croft KD, et al. The combination of vitamin C and grape-seed polyphenols increases blood pressure: a randomized, double-blind, placebo-controlled trial. J Hypertens 2005;23:427-34.. PubMed
- Ray, S. D., Parikh, H., Hickey, E., Bagchi, M., and Bagchi, D. Differential effects of IH636 grape seed proanthocyanidin extract and a DNA repair modulator 4-aminobenzamide on liver microsomal cytochrome 4502E1-dependent aniline hydroxylation. Mol Cell B PubMed
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- Schaefer, E., Peil, H., Ambrosetti, L., and Petrini, O. Oedema protective properties of the red vine leaf extract AS 195 (Folia vitis viniferae) in the treatment of chronic venous insufficiency. A 6-week observational clinical trial. Arzneimittelforschun PubMed
- Nishikawa, M., Ariyoshi, N., Kotani, A., Ishii, I., Nakamura, H., Nakasa, H., Ida, M., Nakamura, H., Kimura, N., Kimura, M., Hasegawa, A., Kusu, F., Ohmori, S., Nakazawa, K., and Kitada, M. Effects of continuous ingestion of green tea or grape seed extra
- de Lange, D. W., Scholman, W. L., Kraaijenhagen, R. J., Akkerman, J. W., and van de Wiel, A. Alcohol and polyphenolic grape extract inhibit platelet adhesion in flowing blood. Eur.J Clin.Invest 2004;34(12):818-824. PubMed
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- Gamsky, T. E., McCurdy, S. A., Samuels, S. J., and Schenker, M. B. Reduced FVC among California grape workers. Am Rev.Respir.Dis 1992;145(2 Pt 1):257-262. PubMed
- de Lange, D. W., Verhoef, S., Gorter, G., Kraaijenhagen, R. J., van de Wiel, A., and Akkerman, J. W. Polyphenolic grape extract inhibits platelet activation through PECAM-1: an explanation for the French paradox. Alcohol Clin.Exp.Res 2007;31(8):1308-1314 PubMed
- Etheridge, A. S., Black, S. R., Patel, P. R., So, J., and Mathews, J. M. An in vitro evaluation of cytochrome P450 inhibition and P-glycoprotein interaction with goldenseal, Ginkgo biloba, grape seed, milk thistle, and ginseng extracts and their constitu
- Krikorian, R., Nash, T. A., Shidler, M. D., Shukitt-Hale, B., and Joseph, J. A. Concord grape juice supplementation improves memory function in older adults with mild cognitive impairment. Br J Nutr. 2010;103(5):730-734. PubMed
- Ingersoll, G. L., Wasilewski, A., Haller, M., Pandya, K., Bennett, J., He, H., Hoffmire, C., and Berry, C. Effect of concord grape juice on chemotherapy-induced nausea and vomiting: results of a pilot study. Oncol.Nurs.Forum 2010;37(2):213-221. PubMed
- Oliveira-Freitas, V. L., Dalla, Costa T., Manfro, R. C., Cruz, L. B., and Schwartsmann, G. Influence of purple grape juice in cyclosporine bioavailability. J Ren Nutr. 2010;20(5):309-313. PubMed
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- Ras RT, Zock PL, Zebregs YE, et al. Effect of polyphenol-rich grape seed extract on ambulatory blood pressure in subjects with pre- and stage I hypertension. Br J Nutr 2013;110(12):2234-41. PubMed
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- Moon SW, Shin YU, Cho H, Bae SH, Kim HK; and for the Mogen Study Group. Effect of grape seed proanthocyanidin extract on hard exudates in patients with non-proliferative diabetic retinopathy. Medicine (Baltimore) 2019;98(21):e15515. PubMed
Cocoa 119 references
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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
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