Guide
Can You Take Herbal Supplements With Your Medicines?
Sometimes, but not without checking. Herbal supplements can interact with medicines, change bleeding risk, affect anesthesia or add to a drug's effect. Tell your doctor and pharmacist about everything you take, and keep taking prescribed medicine as directed. A pharmacist can check a full ingredient list in minutes.
Written by the SodaPeak label deskUpdated
The basics01
Can you take herbal supplements with prescription medicines?
You can sometimes, but you should check first. Herbal supplements can interact with prescription medicines, and "natural" does not mean safe.
The National Center for Complementary and Integrative Health says supplements can interact with medicines and affect people with certain conditions or those having surgery. Some raise bleeding risk or affect anesthesia, so you should tell your providers everything you take (NCCIH, Using Dietary Supplements Wisely).
FDA generally cannot review these products before they are sold (FDA, Information for Consumers on Dietary Supplements). The burden of checking falls on you and your pharmacist.
Keep taking prescribed medicine exactly as directed. A supplement is never a reason to skip, stop or change a dose. If you think a medicine is the problem, talk to the prescriber.
The rule of thumb
Ask before the first dose, not after a problem shows up.
Red flags02
Which medicines are most likely to clash with herbal supplements?
The usual red flags are blood thinners, blood-pressure drugs, diabetes medicines, prostate medicines, hormone treatments and anything that affects the liver.
| Medicine type | Why to ask |
|---|---|
| Blood thinners such as warfarin | Some herbs may raise bleeding risk |
| Blood-pressure drugs and water pills | An herb may add to the drop in pressure or fluid |
| Diabetes medicines | An herb may lower blood sugar further |
| Prostate medicines such as finasteride | An herb sold for prostate comfort may overlap |
| Hormone treatments | Herbs with hormone-like effects may interfere |
| Nitrates for the heart | Hidden erection drugs in some products can cause a dangerous drop in pressure |
Try it03
Which SodaPeak ingredient matters for my type of medicine?
Pick your medicine type below, and the check shows which of the eight SodaPeak lines the label desk flagged for it.
It uses the cautions on the ingredient pages. It is a prompt for your pharmacist, not an all-clear.
Blood thinners (warfarin, aspirin)
- Saw palmettoCase reports of extra bleeding with blood thinners; tell your doctor, who may want to check your clotting. (MSK, Saw Palmetto)
- Horny goat weedMemorial Sloan Kettering lists medicine interactions; ask a pharmacist. (MSK, Epimedium (Horny Goat Weed))
Prostate medicines (finasteride, tamsulosin)
- Saw palmettoUsed for the same urinary symptoms, so tell your doctor. It does not appear to change PSA readings, but a PSA test needs the full picture. (NCCIH, Saw Palmetto)
- Nettle rootAlso used for urinary symptoms; ask before combining. (MSK, Nettle)
Blood-pressure pills and water pills
- Nettle rootMay add to diuretics and blood-pressure drugs (animal studies); watch for dizziness. (MSK, Nettle)
- Horny goat weedAsk a doctor or pharmacist about blood-pressure medicines. (MSK, Epimedium (Horny Goat Weed))
Diabetes medicines
- Nettle rootCase reports of low blood sugar; check your glucose more often and tell your doctor. (MSK, Nettle)
Hormone treatments or hormone-sensitive conditions
- Wild yamEstrogen-like effects are described; people with hormone-sensitive cancers should ask first. (MSK, Wild Yam)
- Orchic substanceA glandular ingredient with no dose or evidence; ask first. (RxList, Orchic Extract)
Liver problems or many medicines
- Tongkat aliA rare liver-injury case is on record; stop and call a doctor for dark urine, yellow skin or ongoing nausea. (LiverTox, Tongkat Ali)
Surgery or a dental procedure
- All eight linesTell the surgeon about every supplement you take; some herbs affect bleeding. (NCCIH, Using Dietary Supplements Wisely)
A starting list for a talk with your pharmacist, not a full interaction check. Keep taking prescribed medicine; never stop or change a dose because of a supplement.
For the full ingredient-by-ingredient list, read SodaPeak side effects.
Surgery05
Should I tell my surgeon about supplements?
Yes. Tell the surgeon and the anesthesia team about every supplement before any procedure, even a small one.
NCCIH names surgery as a time when supplements matter, since some raise bleeding risk and some affect anesthesia (NCCIH, Using Dietary Supplements Wisely). Saw palmetto, a SodaPeak line, has case reports of extra bleeding with blood thinners (MSK, Saw Palmetto).
We do not give a date to stop a supplement, because that depends on the herb, the procedure and your health. The surgeon will tell you what to do. Bring the bottle, or a photo of the Supplement Facts, to the pre-op visit.
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See packsQuick check06
Is SodaPeak a reasonable fit for my situation?
Answer five yes or no questions for a quick read. It cannot clear you, but it can tell you when to ask first.
The label says adults 18 and over; follow the bottle. We did not see the warning panel, so we do not quote it.
At the counter07
What should I bring to a pharmacist to check a supplement?
Bring the bottle, or a clear photo of the Supplement Facts and a list of your medicines with doses. That is enough for a quick check.
The full supplement label
Photograph the front, the Supplement Facts and the other ingredients.
Your medicine list
Include prescriptions, over-the-counter drugs, other supplements and the doses and times.
Your conditions
Mention heart, liver, kidney, prostate or blood-sugar problems, and planned procedures.
Your question
Ask: "Is there any interaction between these, and what should I watch for?"
If something goes wrong08
What should I do if I think a supplement caused a problem?
Seek care for anything serious, tell your doctor what you took, and report the reaction to FDA through MedWatch (FDA MedWatch, adverse event reporting).
Call 911 for chest pain, fainting or an erection lasting more than four hours. For milder trouble, tell your pharmacist or doctor, and keep the bottle with its lot number.
Sodapeakdaily is a retailer that earns money from order links. Ask your pharmacist before you order.
FAQ09
SodaPeak questions people ask
Should I tell my pharmacist about herbal supplements?
Yes. Pharmacists check for interactions, and a supplement list is part of that. Bring the bottle or a photo of the Supplement Facts so they can check each ingredient against your medicines.
Does natural mean a supplement is safe with my pills?
No. Natural products can carry real risks, and kava, which can cause liver disease, is one example NCCIH gives. Herbs have active compounds that can add to or change a drug's effect.
Can saw palmetto interact with blood thinners?
Case reports describe extra bleeding when saw palmetto was used with blood thinners. It is one of SodaPeak's eight lines, so anyone on a blood thinner should ask their doctor before using the capsule.
Do I need to mention supplements before dental work?
Yes. Tell the dentist about every supplement, since some affect bleeding, as they can in surgery. The dental team can decide whether anything needs to change.
Are supplements checked by FDA before they are sold?
No. FDA says it is not authorized to approve dietary supplements for safety and effectiveness before they are marketed. Problems are handled after products reach the market, so your own checking matters.
How do I know if a supplement has a hidden drug?
You usually cannot tell from the label. FDA lab tests have found unlisted drugs in some sexual-enhancement products. Warning signs include fast-result claims, secret formulas and a price that seems too good.
Who wrote this10
Written and reviewed by
Pages built from the label, the sales page and linked NIH, FDA, CDC, FTC and peer-reviewed sources.
Last updated . Learn about our editorial standards and how we check reviews. This website is run by Sodapeakdaily, a retailer of SodaPeak, not by the manufacturer. We make money when you buy through our order links.
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