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Dietary supplement

Calm Surfer 1000 mg Ingredients & Drug Interactions

by Remedys Nutrition

Calm Surfer 1000 mg label
See full label image
Capsule Category: Botanical
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Calm Surfer 1000 mg 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

The interaction bottom line Most serious interaction: Major

Calm Surfer 1000 mg is a dietary supplement by Remedys Nutrition with 3 active ingredients. Its ingredients are commonly taken for stress and anxiety, sleep problems, fatigue and low energy.Based on those ingredients, 1,460 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are organic Ashwagandha, organic Kava Kava, organic Valerian. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Calm Surfer 1000 mg by Remedys Nutrition

Ask about any prescription or over-the-counter medication and we check it for interactions with Calm Surfer 1000 mg by Remedys Nutrition — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Calm Surfer 1000 mg by Remedys Nutrition

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.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 12, 2026

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 3 active ingredients.
  • “Calm Surfer Proprietary Blend” is a proprietary blend — the label gives one combined amount (1,000 mg) without saying how much of each component you get.

Calm Surfer 1000 mg contains three active ingredients: organic ashwagandha, organic kava kava, and organic valerian. These are packaged in a vegan capsule.

Ashwagandha is an herbal adaptogen traditionally used for stress and anxiety; kava is a plant from the South Pacific used for relaxation; and valerian is a root extract commonly used to support sleep. The product also lists a proprietary blend (a formula blending these and possibly other ingredients in undisclosed amounts).

Does it work?

Moderate evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: Relaxation and sleep support.
  • We looked for evidence on: Anxiety, Insomnia, Restless legs syndrome (RLS), Stress, Generalized anxiety disorder (GAD), Pre-procedural anxiety — and 4 related terms.
  • The strongest evidence on file: Valerian is rated "Possibly Effective" for Insomnia (Natural Medicines).
  • Also on file: Ashwagandha is rated "Possibly Effective" for Anxiety, Generalized anxiety disorder (GAD), Insomnia, Stress.
  • Also on file: Kava is rated "Possibly Ineffective" for Generalized anxiety disorder (GAD).

Ashwagandha is possibly effective for insomnia, anxiety, stress, and generalized anxiety disorder, though the evidence is not conclusive. There isn't enough reliable evidence to rate it for bipolar disorder.

Kava appears possibly ineffective for generalized anxiety disorder and has insufficient evidence for insomnia, sexual arousal, or epilepsy. Valerian is possibly effective for insomnia but lacks reliable evidence for restless legs, pre-procedure anxiety, stress, or menstrual cramps.

Overall, the product's benefit is mainly supported for sleep and anxiety, but the strength of that support varies by ingredient.

The evidence, ingredient by ingredient Ashwagandha Kava Valerian

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 3 of the 3 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 3 of 3.
  • General safety write-ups exist for 3 of 3.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

All three ingredients are generally well tolerated short-term in healthy adults, but long-term safety data are limited. Ashwagandha has been linked to rare but serious liver injury and one case of abnormal heart rhythm; the most common mild side effects are digestive upset and drowsiness.

Kava carries a real risk of liver damage, especially with prolonged use, and has been linked to over 100 cases of hepatotoxicity worldwide; common side effects include drowsiness, dry mouth, dizziness, and tremor. Valerian is generally well tolerated but can cause dizziness, drowsiness, and vivid dreams; if you take it long-term and then stop suddenly, you may experience withdrawal symptoms like anxiety and insomnia, so taper slowly.

Because of pregnancy safety concerns, ashwagandha is considered likely unsafe, kava is not considered safe, and valerian's safety has not been established — all three should be avoided during pregnancy. For breastfeeding, there isn't enough safety data for any of them; kava is rated possibly unsafe and the other two should be avoided.

Side effects, ingredient by ingredient Ashwagandha Kava Valerian

Meds to double-check

Major interaction found
Known Interaction Concern · database check
Major identified

At least one ingredient has a documented Major-severity interaction. Check your medications for a personalized result.

Why this rating?
  • 3 of the 3 matched ingredients can interact with medications — Valerian, Kava, Ashwagandha.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: immunosuppressants / transplant drugs; diabetes medications.
  • For scale: 1,461 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking Calm Surfer, check with your pharmacist if you take CNS depressants (such as sleeping pills, pain medications with codeine or hydrocodone, or anti-anxiety drugs) — kava's risk is Major and the others are Moderate. Also check if you take blood pressure medications, diabetes medications, benzodiazepines like Valium or Xanax, thyroid hormones, drugs that are toxic to the liver, or medications metabolized by CYP2C19, CYP2C9, or CYP2E1 enzymes.

Because so many drug families interact with these ingredients, use the medication checker on this page with your complete medication list.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with some supporting evidence for its stated purpose. Major medication interactions have been identified, and safety information is well characterized.

Calm Surfer may help with anxiety and sleep in the short term, but the three ingredients carry overlapping sedative effects and real risks — especially to the liver with kava and ashwagandha. If you take any blood pressure medication, diabetes medication, benzodiazepines, blood thinners, or other CNS depressants, or if you drink alcohol regularly, talk with your pharmacist before starting.

This product is not for pregnancy or breastfeeding.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 3 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Dec 26, 2020.

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

At a glance

General information

Key facts about Calm Surfer 1000 mg, straight from the product label.

Brand Remedys Nutrition
Barcode (UPC) 798295048219
Net contents 60 Vcap(s)
Market status On market
Date entered into DSLD Dec 26, 2020
DSLD ID 241439
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Gluten Free, Dairy Free
From the 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 Calm Surfer 1000 mg by Remedys Nutrition, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Vegan Capsule(s)
Maximum serving Sizes:
1 Vegan Capsule(s)
Servings per container
60
UPC/BARCODE
798295048219
IngredientAmount% DV
organic Ashwagandha0 NP--
Calm Surfer Proprietary Blend1000 mg--
organic Kava Kava0 NP--
organic Valerian0 NP--

Other ingredients: Vegan Capsule

Tap any ingredient to jump to its full detail below.

Label statements
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.
Suggested/Recommended/Usage/Directions

Directions: One capsule daily

Formulation

Made in the U.S.A.

Non-GMO Gluten free No additives No preservatives No dairy No yeast No corn No fillers

Vegan

Quality and potency guaranteed

Mood Relaxation Anxiety Pharmacists approved

Precautions

Caution: As with any dietary supplement, consult your healthcare practitioner before using this product.

Keep out of reach of children.

Adult use only

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to treat, cure, or prevent any disease.

General Statements

Remedys Nutrition Est. 1972 Quality Purity Pride Two month supply

Scan here to learn more:

Formula

1000 mg per capsule 60000 mg per bottle

FDA Statement of Identity

Dietary Supplement

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Calm Surfer 1000 mg by Remedys Nutrition label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Calm Surfer 1000 mg label

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)
What’s inside

The Ingredients in Calm Surfer 1000 mg by Remedys Nutrition

These are the 3 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Vegan Capsule(s) Dosage formCapsule Servings per container60 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.

Calm Surfer Proprietary Blend

1000 mg per serving

Other (inactive) ingredients: Vegan Capsule. These complete the product’s ingredient list but are not active constituents.

Interaction report

Calm Surfer 1000 mg by Remedys Nutrition Drug Interactions

Want to check YOUR meds against Calm Surfer 1000 mg?

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 checker
1,460Drugs
248 Major 875 Moderate 337 Minor

Ingredients driving the most interactions

organic Ashwagandha 1,372
organic Kava Kava 1,166
organic Valerian 902

Individual Drug Interactions

The ingredients in Calm Surfer 1000 mg interact with 1,460 drugs. Click any drug to see the details.

3 of the 3 ingredients in Calm Surfer 1000 mg interact with drugs. Each result below shows which ingredient is responsible. organic Ashwagandha organic Kava Kava organic Valerian

Each ingredient & the kinds of drugs it affects

For each ingredient in Calm Surfer 1000 mg 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.

organic Ashwagandha10 drug types · 1,372 drugs

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.

Likelihood Possible Evidence B
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Probable Evidence B
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence D
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/]

Likelihood Possible Evidence C
organic Ashwagandha full monograph & interactions

organic Kava Kava12 drug types · 1,166 drugs

Cns Depressants

Combining kava with CNS depressants can have additive sedative effects.
Kava has CNS depressant effects. Concomitant use of kava with other CNS depressants can increase the risk of drowsiness and motor reflex depression. Clinical practice guidelines from a joint taskforce of the World Federation of Societies of Biological Psychiatry (WFSBP) and the Canadian Network for Mood and Anxiety Treatments (CANMAT) recommend that CNS depressants, including alcohol and benzodiazepines, not be used with kava.

Likelihood Probable Evidence A
Alcohol (Ethanol)

Combining kava with alcohol may increase the risk of sedation and/or hepatotoxicity.

Kava has CNS depressant effects. Concomitant use of kava with other CNS depressants can increase the risk of drowsiness and motor reflex depression. Additionally, kava has been associated with over 100 cases of hepatotoxicity. There is some concern that kava can adversely affect the liver, especially when used in combination with hepatotoxic drugs. Clinical practice guidelines from a joint taskforce of the World Federation of Societies of Biological Psychiatry (WFSBP) and the Canadian Network for Mood and Anxiety Treatments (CANMAT) recommend that alcohol not be used with kava.

Likelihood Possible Evidence A
Cytochrome P450 2C19 (Cyp2C19) Substrates

Theoretically, kava might increase levels of CYP2C19 substrates.
In vitro research shows that kava significantly inhibits CYP2C19 enzymes. This effect has not yet been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C9 (Cyp2C9) Substrates

Theoretically, kava might increase levels of CYP2C9 substrates.
In vitro research shows that kava significantly inhibits CYP2C9 enzymes. This effect has not yet been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2E1 (Cyp2E1) Substrates

Kava might increase levels of CYP2E1 substrates.
In a clinical study in healthy volunteers, taking kava 1000 mg twice daily (containing a daily dose of 138 mg kavalactones) for 28 days inhibited the metabolism of CYP2E1 substrates.

Likelihood Probable Evidence B
Haloperidol (Haldol)

Combining kava and haloperidol might increase the risk of cardiovascular adverse effects and hypoxia.
Atrial flutter and hypoxia has been reported for a patient who received intramuscular injections of haloperidol and lorazepam after using kava orally. The side effects were attributed to kava-induced inhibition of CYP2D6, but might also have been related to additive adverse effects with the concomitant use of haloperidol, lorazepam, and kava.

Likelihood Possible Evidence D
Hepatotoxic Drugs

Theoretically, using kava with hepatotoxic drugs might increase the risk of liver damage.
Kava has been linked with over 100 cases of hepatotoxicity. Most cases occur with excessive and prolonged use. There is some concern that kava can adversely affect the liver, especially when used in combination with hepatotoxic drugs.

Likelihood Possible Evidence D
P-Glycoprotein Substrates

It is unclear if kava inhibits P-glycoprotein (P-gp); research is conflicting.
In vitro research shows that kava can inhibit P-gp efflux. However, a clinical study in healthy volunteers shows that taking kava standardized to provide 225 mg kavalactones daily for 14 days does not affect the pharmacokinetics of digoxin, a P-gp substrate. It is possible that the use of other P-gp substrates or higher doses of kava might still inhibit P-gp.

Likelihood Possible Evidence D
Ropinirole (Requip)

Taking kava with ropinirole might increase the risk for dopaminergic toxicity.
A case of visual hallucinations and paranoid delusions has been reported for a patient who used kava in combination with ropinirole. The adverse effects were attributed to kava-induced inhibition of CYP1A2, which may have reduced the metabolism of ropinirole, resulting in excessive dopaminergic stimulation.

Likelihood Possible Evidence D
Cytochrome P450 1A2 (Cyp1A2) Substrates

It is unclear if kava inhibits CYP1A2; research is conflicting.
Although in vitro research and a case report suggest that kava inhibits CYP1A2, more robust clinical evidence shows that kava has no effect on CYP1A2. In a clinical study in healthy volunteers, taking kava 1000 mg twice daily (containing a daily dose of 138 mg kavalactones) for 28 days had no effect on CYP1A2 activity.

Likelihood Unlikely Evidence B
Cytochrome P450 2D6 (Cyp2D6) Substrates

It is unclear if kava inhibits CYP1A2; research is conflicting.
In vitro research shows that kava extract significantly inhibits CYP2D6. However, clinical research shows that kava does not affect the metabolism of CYP2D6 substrates in humans.

Likelihood Unlikely Evidence B
Cytochrome P450 3A4 (Cyp3A4) Substrates

It is unclear if kava inhibits CYP3AA; research is conflicting.
Although in vitro research suggests that kava inhibits CYP3A4, more robust clinical evidence shows that kava has no effect on CYP3A4. In a clinical study in healthy volunteers, taking kava 1000 mg twice daily (containing a daily dose of 138 mg kavalactones) for 28 days had no effect on CYP3A4 activity.

Likelihood Unlikely Evidence B
organic Kava Kava full monograph & interactions

organic Valerian6 drug types · 902 drugs

Alcohol (Ethanol)

Valerian can have additive sedative effects when used concomitantly with alcohol.
Valerian has sedative effects. Theoretically, valerian might have an additive sedative effect when combined with alcohol. Excessive sedation has been reported in an alcohol-abusing individual who took valerian and Gingko biloba. However, the potential interaction between valerian and alcohol has been disputed in other research. Limited evidence suggests that a combination of valerian 160 mg and lemon balm 80 mg (Euvegal) does not cause further deterioration in reaction ability and reaction rate when taken with alcohol as compared to the effects of alcohol alone.

Likelihood Possible Evidence B
Alprazolam (Xanax)

Valerian can have additive sedative effects when used with alprazolam. Also, valerian in high doses might modestly increase alprazolam levels, though this is not likely to be clinically significant.
Valerian has sedative effects. Theoretically, valerian might cause additive sedation when combined with alprazolam. Also, a small pharmacokinetic study shows that taking valerian extract 1000 mg daily (providing 11 mg valerenic acid) might increase alprazolam levels by about 19%. This might be due to valerian's mild inhibition of cytochrome P450 3A4 (CYP3A4). Despite being statistically significant, this increase is not likely to be clinically significant.

Likelihood Possible Evidence B
Cns Depressants

Valerian can have additive sedative effects when used concomitantly with CNS depressant drugs.
Theoretically, concomitant use of valerian and drugs with sedative and anesthetic properties may cause additive therapeutic and adverse effects.

Likelihood Possible Evidence D
Glucuronidated Drugs

Valerian might weakly inhibit glucuronidation and increase concentrations of drugs metabolized by UGT1A1 and UGT2B7.
In vitro research shows that methanolic valerian extract and valerenic acid might competitively inhibit UDP-glucuronosyltransferase (UGT) 1A1 (UGT1A1) and UGT2B7.

Likelihood Possible Evidence D
Cytochrome P450 2D6 (Cyp2D6) Substrates

Valerian does not seem to have a clinically relevant effect on levels of drugs metabolized by CYP2D6.
Although some in vitro evidence suggests that valerian affects CYP2D6, clinical pharmacokinetic (PK) studies show that valerian is unlikely to affect the CYP2D6 enzyme. In one PK study, taking valerian 1000 mg (providing about 11 mg valerenic acid) nightly for 14 days did not affect the metabolism of dextromethorphan, a CYP2D6 substrate. In another PK study, taking valerian 125 mg three times daily for 28 days did not affect metabolism of debrisoquine, an accepted CYP2D6 probe-substrate.

Likelihood Unlikely Evidence B
Cytochrome P450 3A4 (Cyp3A4) Substrates

Valerian does not seem to have a clinically relevant effect on levels of drugs metabolized by CYP3A4.
Although some in vitro evidence suggests that valerian extract might inhibit or induce CYP3A4, clinical pharmacokinetic (PK) studies show that valerian does not have a clinically significant effect on the CYP3A4 enzyme. In one PK study, taking valerian 125 mg three times daily for 28 days did not affect metabolism of midazolam, an accepted CYP3A4 probe-substrate. In another PK study, taking valerian 1000 mg (providing about 11 mg valerenic acid) nightly for 14 days modestly increases levels of alprazolam, a CYP3A4 substrate, suggesting mild inhibition of CYP3A4. However, this mild inhibition is unlikely to be clinically relevant.

Likelihood Possible Evidence B
organic Valerian full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Calm Surfer 1000 mg, from the product label.

Remedys Nutrition

See all Remedys Nutrition products
Name
Remedy's Nutrition
Street Address
99696 Overseas Highway Ste 6
City
Key Largo
State
FL
ZipCode
33037
Web Address
www.remedynutrition.com
Pharmacist Counseling Corner

Calm Surfer 1000 mg by Remedys Nutrition: Common Questions

Does Calm Surfer 1000 mg by Remedys Nutrition interact with any medications?
Yes. Based on its ingredients, Calm Surfer 1000 mg has a known interaction with 1,460 medications, including 248 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Calm Surfer 1000 mg contains 3 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Will Calm Surfer make me drowsy?
Yes, drowsiness is possible. All three ingredients — ashwagandha, kava, and valerian — have sedative effects, so you may feel sleepy or have slower mental function. Don't drive or operate machinery until you know how it affects you.
Can I take this if I'm pregnant or breastfeeding?
No. Ashwagandha is likely unsafe in pregnancy and thought to risk miscarriage. Kava is not considered safe during pregnancy, and there isn't enough safety data for any of the three ingredients while breastfeeding. Talk with your doctor or pharmacist about safe alternatives.
What are the side effects I should watch for?
The most common mild ones are digestive upset, dizziness, drowsiness, headache, and vivid dreams. Rare but serious concerns include liver injury (especially with kava and ashwagandha) and abnormal heart rhythm. If you notice yellowed skin, dark urine, unusual fatigue, chest pain, or tremors, stop and contact your doctor right away.
If I stop taking Calm Surfer suddenly, will I have withdrawal?
If you've taken it long-term, possibly. Valerian in particular can cause withdrawal symptoms like anxiety, insomnia, and agitation if you stop abruptly. Taper your dose slowly over a few days rather than quitting cold turkey.
Does this product actually work for anxiety and sleep?
Ashwagandha and valerian have decent evidence that they may help, but the effect is modest and not guaranteed. Kava doesn't appear to help generalized anxiety based on the data we hold. Results vary widely from person to person.
Is this safe to take with alcohol?
No. Valerian can add to alcohol's sedative effects and cause excessive drowsiness. All three ingredients are sedating on their own, so mixing with alcohol increases the risk of impaired judgment and coordination.

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.

Calm Surfer 1000 mg label
Go deeper

The Full Monographs Behind Calm Surfer 1000 mg’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Ashwagandha

Interacts with 1,372 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 evidence is still limited. It is generally w...

Read the full Ashwagandha monograph → Herb & supplement monograph

Kava

Interacts with 1,166 drugs

Kava is a Pacific Island plant traditionally used to promote relaxation and ease anxiety, and some studies suggest it may help mild anxiety. However, kava has been linked to rare but serious...

Read the full Kava monograph → Herb & supplement monograph

Valerian

Interacts with 902 drugs

Valerian is an herb whose root is widely used as a natural sleep aid and for calming nerves. The evidence is mixed and often weak, so it may help some people sleep but does not work reliably...

Read the full Valerian monograph →
Sources

Sources & How We Checked

Calm Surfer 1000 mg'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.

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 140 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.

Ashwagandha 32 references
  1. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
  2. Upton R, ed. Ashwagandha Root (Withania somnifera): Analytical, quality control, and therapuetic monograph. Santa Cruz, CA: American Herbal Pharmacopoeia 2000:1-25.
  3. Davis L, Kuttan G. Effect of Withania somnifera on cyclophosphamide-induced urotoxicity. Cancer Lett 2000;148:9-17. PubMed
  4. Davis L, Kuttan G. Suppressive effect of cyclophosphamide-induced toxicity by Withania somnifera extract in mice. J Ethnopharmacol 1998;62:209-14. PubMed
  5. Mishra LC, Singh BB, Dagenais S. Scientific basis for the therapeutic use of Withania somnifera (ashwagandha): a review. Altern Med Rev 2000;5:334-46. DOI
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