Supplements & medicines
Supplements and Prostate Medications: Interactions to Discuss
Supplements and prostate medications can interact, and no study has tested Prostadine with any medicine. Iodine and four seaweeds matter for thyroid pills, pomegranate for warfarin, and every supplement for surgery. Tell your doctor and pharmacist what you take, and never stop a prescription because of a supplement.
Written by the Prostadine label deskUpdated
The basics01
Can supplements interact with prostate medications?
Yes. Supplements can interact with medicines, change lab results and add risk around surgery.
Supplements and prostate medications can interact, and the FDA says so plainly. Supplements can interact with medicines, interfere with lab tests and pose risks during surgery (FDA 101: Dietary Supplements). A label that says "natural" does not change that (NCCIH, Using Dietary Supplements Wisely).
Most reported herb-drug interactions are hypothetical or based on animal and lab data. Good human studies are limited. Caution matters most with drugs where a small change causes harm, such as warfarin and digoxin (NCCIH, Herb-Drug Interactions). A lack of reports is not a clearance.
No study has tested Prostadine with a prostate medicine, a thyroid pill or a blood thinner. Its amounts are not printed either, so no one can say how strong an interaction would be. This guide is education, not advice for your case. Your doctor and pharmacist have your full list.
Do not stop, skip or cut any prescription because you started a supplement. Raise any change with the clinician who prescribed it.
Common medicines02
Can I take Prostadine with tamsulosin or finasteride?
Nobody can say it is safe or unsafe, because the combination has not been studied. Ask your doctor.
Taking Prostadine with tamsulosin or finasteride has not been studied. Tamsulosin and finasteride are two of the medicines health services list for an enlarged prostate. The NHS also names doxazosin, alfuzosin and dutasteride (NHS, Prostate Enlargement).
We found no report of a clash between those drugs and Prostadine's ingredients. That is different from proof of safety.
One interaction is about tests, not tablets. Finasteride and dutasteride lower PSA readings (NCI, PSA Test). Saw palmetto does not appear to change PSA (NCCIH, Saw Palmetto), but tell your doctor about every supplement before a PSA test.
| If you take | Prostadine ingredient to flag | What the sources say |
|---|---|---|
| Tamsulosin, doxazosin, alfuzosin | All nine, since amounts are not printed | No study of the combination; ask your doctor and pharmacist (NHS, Prostate Enlargement) |
| Finasteride, dutasteride | Saw palmetto | These drugs lower PSA (NCI, PSA Test); saw palmetto does not appear to change it (NCCIH, Saw Palmetto) |
| Thyroid medicine, antithyroid drugs | Iodine and the four seaweeds | High-dose iodine can add to antithyroid drugs (NIH ODS, Iodine) |
| Warfarin and other blood thinners | Pomegranate | Juice was reported to prolong warfarin's effect; size unproven (Mansoor et al., Molecules 2023) |
| ACE inhibitors, potassium-sparing diuretics | Iodine, if given as potassium iodide | Potassium iodide can raise potassium with these drugs (NIH ODS, Iodine) |
| Surgery or procedures | Any supplement | Tell the surgical team; supplements pose risks in surgery (FDA 101: Dietary Supplements) (NCCIH, Using Dietary Supplements Wisely) |
The iodine form is not printed. See the iodine page.
Blood thinners03
Can saw palmetto interact with blood thinners?
The NCCIH page lists no specific interactions for saw palmetto. Pomegranate is the one to raise with a blood-thinner prescriber.
Saw palmetto has no specific drug interactions listed by NCCIH, which advises talking to a provider before combining herbs with medicines (NCCIH, Saw Palmetto).
The warfarin flag in Prostadine comes from pomegranate. A review says pomegranate constituents inhibit the enzymes CYP3A4 and CYP2C9, and observational reports said the juice prolonged warfarin's effect (Mansoor et al., Molecules 2023). The study covered juice, not an extract in a liquid supplement, and the size of the effect is unproven.
That uncertainty is the reason to ask. Warfarin has a narrow window between too little and too much, and herb-drug caution is highest for such drugs (NCCIH, Herb-Drug Interactions). See also the saw palmetto page.
Thyroid medicine04
Can iodine interact with thyroid medicine?
Yes, it can. Iodine acts on the thyroid, and Prostadine's total iodine is unknown.
Iodine can interact with thyroid medicine because the thyroid uses iodine to make hormone. The adult RDA is 150 mcg and the upper limit is 1,100 mcg a day. High intake can lead to goiter, an underactive thyroid or an overactive one (NIH ODS, Iodine).
Prostadine lists iodine on its own and also lists four seaweeds. Seaweed iodine ranges from 16 mcg per gram in nori to more than 8,000 mcg per gram in some kelp (Teas et al., Thyroid 2004). In one study, 54 of 96 seaweed products went over the limit in one portion (Aakre et al., Food Nutr Res 2021).
If you take thyroid medicine, your dose was set for your current iodine intake, and a change can shift it. People with autoimmune thyroid disease may react at levels that are safe for others (NIH ODS, Iodine). Ask your doctor whether a thyroid check should follow.
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See packsQuick fit check05
Should I stop supplements before surgery?
Tell the surgical team about every supplement well before the date. Let them decide what to pause.
Supplements can pose risks during surgery, so tell the team early (FDA 101: Dietary Supplements). NCCIH also advises telling all your providers about supplements, especially before an operation (NCCIH, Using Dietary Supplements Wisely). The right pause time depends on the product and the procedure.
Five quick questions show whether you should speak to a clinician before starting Prostadine.
The prostate supplements guide covers the wider field.
At the counter06
What should I tell my pharmacist about Prostadine?
Bring the bottle and tell them every medicine and supplement you take, with doses and timing.
Tell your pharmacist the product name, the ingredient list and the daily amount. Prostadine prints no amounts, so say so. The sales page directs two full droppers (2 ml) a day, preferably in the morning (Prostadine sales page).
Bring the bottle
Show the label and the sales-page ingredient list. Mention the iodine and the four seaweeds.
List every medicine
Include store-bought pills, thyroid medicine, blood thinners and prostate medicines.
Name your conditions
Thyroid, liver or kidney disease, a coming procedure, and any allergy to seafood or iodine.
Ask three things
Is there an interaction? Should my thyroid or clotting tests change? When should I stop it before an operation?
Supplements vs medicine07
Do supplements replace prescription medicine?
No. A supplement is not a substitute for a prescribed medicine, and Prostadine is not approved to treat BPH.
Supplements do not replace prescription medicine. A product sold to treat a disease would be regulated as a drug, and the FDA does not approve supplements for safety or effectiveness before sale (FDA 101: Dietary Supplements).
Saw palmetto, the best-studied ingredient in Prostadine, was no better than placebo in large trials (Bent et al., NEJM 2006) (Barry et al. (CAMUS), JAMA 2011).
Where can you check interactions? Start with your pharmacist and the clinician who prescribes. NCCIH has a guide to using supplements wisely (NCCIH, Using Dietary Supplements Wisely), and FDA takes reports of problems (FDA, Information for Consumers on Supplements). Read about the Prostadine side effects and the prostate basics guide.
Urgent urinary signs need same-day care: unable to pass urine, blood in the urine, fever with painful urination, or severe belly, back or side pain (NIDDK, Enlarged Prostate (BPH)).
FAQ08
Supplements and prostate medication questions
Can I take Prostadine with tamsulosin or finasteride?
No one can say, because nobody has studied it. We found no reported clash with those medicines, but that is not proof of safety. Ask your doctor and pharmacist first, and never stop your prescription (NHS, Prostate Enlargement). Tell your doctor before a PSA test, since finasteride lowers PSA (NCI, PSA Test).
Can saw palmetto interact with blood thinners?
NCCIH lists no specific interactions for saw palmetto and advises talking to a provider before combining herbs with medicines (NCCIH, Saw Palmetto). Pomegranate is the Prostadine ingredient reported with warfarin (Mansoor et al., Molecules 2023). Raise both with whoever manages your blood thinner.
Should I stop supplements before surgery?
Tell the surgical team about every supplement well before the date, and let them decide what to pause. Supplements can pose risks in surgery (FDA 101: Dietary Supplements), and NCCIH advises telling all providers, especially before an operation (NCCIH, Using Dietary Supplements Wisely).
Can iodine interact with thyroid medicine?
Yes. High-dose iodine can add to antithyroid drugs, and too much can cause goiter or an underactive or overactive thyroid (NIH ODS, Iodine). Prostadine lists iodine and four seaweeds with no amounts, so ask your doctor about a thyroid check.
What should I tell my pharmacist?
Bring the bottle and name every medicine and supplement you take. Mention that Prostadine prints no ingredient amounts and contains iodine and four seaweeds. Share thyroid, liver or kidney conditions, allergies and coming procedures, and ask whether any interaction applies to you.
Do supplements replace prescription medicine?
No. Supplements are not approved to treat disease, and FDA does not review them for effectiveness before sale (FDA 101: Dietary Supplements). Keep taking prescribed medicine. Raise any wish to change it with the clinician who prescribed it.
Where can I check interactions?
Start with your pharmacist and prescriber, who see your full list. NCCIH offers guidance on using supplements wisely (NCCIH, Using Dietary Supplements Wisely), and herb-drug evidence is often limited (NCCIH, Herb-Drug Interactions). Report problems to FDA (FDA, Information for Consumers on Supplements). Bring the bottle.
Who wrote this09
Written and reviewed by
Pages built from the bottle front, the sales page and linked NIH, FDA, FTC and peer-reviewed sources.
Last updated . See our editorial standards and how we check reviews. This website is run by Goprostadine, a USA Authorized Prostadine Retailer, not by the manufacturer. We are paid when you buy through our order links.
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