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Dietary supplement

Prostate Advantage Ingredients & Drug Interactions

by Nature's Way

Softgel Capsule Category: Botanical
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Prostate Advantage is a dietary supplement by Nature's Way with 2 active ingredients. Its ingredients are commonly taken for benign prostatic hyperplasia (bph) symptoms, overactive bladder, eye and skin health (vitamin a source).Based on those ingredients, 175 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Saw Palmetto extract, Pumpkin Seed Oil. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Prostate Advantage by Nature's Way

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

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 2 of its 2 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

Prostate Advantage contains 2 active ingredients: pumpkin seed oil and saw palmetto extract. Pumpkin seed oil is thought to support urinary and prostate health through compounds in the seed.

Saw palmetto extract, derived from the berries of a small palm tree, has been traditionally used for prostate and urinary tract concerns. The product also includes several inactive ingredients—sunflower oil, gelatin, glycerin, purified water, caramel color, and carob color—which serve as the capsule base and allow you to swallow the supplement.

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: Supports prostate health and urinary tract function.
  • We looked for evidence on: Benign prostatic hyperplasia (BPH), Non-neurogenic lower urinary tract symptoms (LUTS), Overactive bladder, Chronic prostatitis and chronic pelvic pain syndrome (CP/CPPS), prostate function, urinary health.
  • The strongest evidence on file: Pumpkin is rated "Possibly Effective" for Benign prostatic hyperplasia (BPH) (Natural Medicines).
  • Also on file: Saw Palmetto is rated "Possibly Ineffective" for Benign prostatic hyperplasia (BPH).
  • Also on file: Pumpkin is rated "Insufficient Reliable Evidence To Rate" for Overactive bladder.

For benign prostatic hyperplasia (enlarged prostate), pumpkin seed oil is rated Possibly Effective based on available evidence, while saw palmetto is rated Possibly Ineffective despite common use for this condition. Saw palmetto is rated Possibly Effective for a specific procedure outcome (TURP) but evidence for urinary symptoms and other uses remains insufficient or not well established.

Neither ingredient has reliable evidence for hair loss, urinary tract infections, or other conditions in our data.

The evidence, ingredient by ingredient Pumpkin Saw Palmetto

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 2 of the 2 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 2 of 2.
  • General safety write-ups exist for 2 of 2.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Both ingredients are generally well tolerated by most adults at recommended doses. The most common side effects from pumpkin seed oil are mild—abdominal discomfort, diarrhea, nausea, and vomiting—though anaphylaxis (severe allergic reaction) has been reported rarely.

Saw palmetto's common side effects include abdominal pain, constipation, diarrhea, dizziness, headache, fatigue, and nausea; rare reports include fixed drug eruption (blistering skin lesions), heart rhythm changes, and blood pressure effects. Bitter or wild pumpkins with high cucurbitacin levels have caused severe nausea, vomiting, diarrhea, and hair loss in case reports, though these are uncommon.

Pregnancy and breastfeeding: Saw palmetto is rated Likely Unsafe during pregnancy because of possible effects on hormones and lack of safety data, and should be avoided while breastfeeding. Pumpkin as a food is fine, but safety data for concentrated seed-oil supplements during pregnancy and breastfeeding is insufficient—talk with your doctor or pharmacist before use if you are pregnant or nursing.

Side effects, ingredient by ingredient Pumpkin Saw Palmetto

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 2 of the 2 matched ingredients can interact with medications — Pumpkin, Saw Palmetto.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; lithium.
  • For scale: 175 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 this product, check with your doctor or pharmacist if you use blood thinners or antiplatelet drugs (like warfarin or clopidogrel)—saw palmetto may increase bleeding risk. Also double-check if you take estrogen therapy or birth control pills, as saw palmetto might reduce their effectiveness.

If you take lithium for mood disorders, your dose may need adjustment because pumpkin seed oil could raise lithium levels.

Check your own medication Run your meds through the checker above

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.

Prostate Advantage may be worth considering if you have benign prostatic hyperplasia and want to try pumpkin seed oil, though saw palmetto's effectiveness for this condition is unclear. If you take blood thinners, birth control pills, estrogen therapy, or lithium, you must check with your doctor or pharmacist before starting this product—these interactions could affect how your medications work.

Women who are pregnant or breastfeeding should not use it without speaking to their healthcare provider first.

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

Assessment coverage: 2 of 2 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Feb 23, 2022.

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 Prostate Advantage, straight from the product label.

Brand Nature's Way
Barcode (UPC) 763948083428
Net contents 120 Softgel(s)
Market status On market
Date entered into DSLD Feb 23, 2022
DSLD ID 259506
Product type Botanical
Supplement form Softgel Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult Male (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 Prostate Advantage by Nature's Way, 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:
2 Softgel(s)
Maximum serving Sizes:
2 Softgel(s)
Servings per container
60
UPC/BARCODE
763948083428
IngredientAmount% DV
Calories5 Calorie(s)--
Total Fat0.5 Gram(s)1%
Pumpkin Seed Oil132 mg--
Saw Palmetto extract160 mg--

Other ingredients: Sunflower Oil, Gelatin, Glycerin, Water, Purified, Caramel color, Carob color

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.
Formula

Dual-action saw palmetto extract and pumpkin oil blend

Saw Palmetto & Pumpkin Oil

Men's Health

Formulation

Supports prostate health and urinary tract function

Gluten free. No salt, yeast-derived ingredients, wheat, dairy products, or artificial colors, flavors, or preservatives.

Precautions

Keep out of reach of children.

Safety sealed with printed outer shrinkwrap and inner seal. Do not use if either is broken or missing.

Do not take if you are pregnant or nursing. If you are taking any medications, consult a healthcare professional before use.

Brand IP Statement(s)

Copyright 2019 Nature's Way Brands, LLC (previously branded Enzymatic Therapy, LLC)

Nature's Way Since 1969

FDA Disclaimer Statement

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

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Recommendation: Men take 2 softgels twice daily, preferably with food.

Seals/Symbols

Quality Global Sourcing - Bottled & Tested in the USA

See for yourself

Prostate Advantage by Nature's Way label

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

What’s inside

The Ingredients in Prostate Advantage by Nature's Way

These are the 2 active ingredients this product is made of. Select any to open its full monograph.

Serving size2 Softgel(s) Dosage formSoftgel Capsule 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.

Pumpkin Seed Oil

Interacts with
1 drug
132 mg per serving

Pumpkin is a nutritious squash, and its seeds and seed oil are the parts most often used as supplements, mainly for urinary and prostate symptoms. The...

Pumpkin Seed Oil monograph & interactions

Saw Palmetto extract

Interacts with
174 drugs
160 mg per serving Form: Beta-Sitosterol, Fatty Acids, Total Sterols

Saw palmetto is a plant extract most often used for urinary symptoms linked to an enlarged prostate (BPH). The best research suggests it works no bett...

Saw Palmetto extract monograph & interactions

Other (inactive) ingredients: Sunflower Oil, Gelatin, Glycerin, Water, Purified, Caramel color, Carob color. These complete the product’s ingredient list but are not active constituents.

Interaction report

Prostate Advantage by Nature's Way Drug Interactions

Want to check YOUR meds against Prostate Advantage?

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
175Drugs
175 Moderate

Ingredients driving the most interactions

Each ingredient & the kinds of drugs it affects

For each ingredient in Prostate Advantage 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.

Saw Palmetto extract3 drug types · 174 drugs

Anticoagulant/Antiplatelet Drugs

Saw palmetto might increase the risk of bleeding with anticoagulant or antiplatelet drugs.
Saw palmetto is reported to prolong bleeding time. Theoretically, it might increase the risk of bleeding when used concomitantly with anticoagulant or antiplatelet drugs.

Likelihood Possible Evidence D
Contraceptive Drugs

Saw palmetto might reduce the effectiveness of contraceptive drugs.
Saw palmetto might have antiestrogenic effects. Theoretically, it might interfere with contraceptive drugs taken concomitantly.

Likelihood Possible Evidence B
Estrogens

Saw palmetto might reduce the effectiveness of estrogens.
Saw palmetto might have antiestrogenic effects. Theoretically, it might interfere with estrogens taken concomitantly.

Likelihood Possible Evidence B

Pumpkin Seed Oil1 drug type · 1 drug

Lithium

Pumpkin might reduce excretion and increase levels of lithium.
Pumpkin is thought to have diuretic properties. Theoretically, this might reduce excretion and increase levels of lithium. The dose of lithium might need to be decreased.

Likelihood Probable Evidence D
The maker

Brand information

Manufacturer and brand details for Prostate Advantage, from the product label.

Nature's Way

See all Nature's Way products
Name
Nature's Way Brands, LLC (previously branded Enzymatic Therapy, LLC)
City
Green Bay
State
WI
ZipCode
54311
Phone Number
1-800-962-8873
Web Address
naturesway.com
Pharmacist Counseling Corner

Prostate Advantage by Nature's Way: Common Questions

Does Prostate Advantage by Nature's Way interact with any medications?
Yes. Based on its ingredients, Prostate Advantage has a known interaction with 175 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Prostate Advantage contains 2 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 this interfere with my birth control pills?
Yes, potentially. Saw palmetto in this product might have antiestrogenic effects and could interfere with how well your birth control works. Talk with your doctor or pharmacist before adding this to your routine.
What are the most common side effects?
The main side effects are mild: abdominal discomfort, diarrhea, nausea, and vomiting from pumpkin seed oil, and abdominal pain, constipation, diarrhea, dizziness, headache, and fatigue from saw palmetto. Most people tolerate these ingredients well.
Is it safe to take while breastfeeding?
Saw palmetto should be avoided while breastfeeding due to insufficient safety information. Pumpkin as a food is fine, but safety data for concentrated seed-oil supplements during breastfeeding isn't well studied—ask your doctor or pharmacist whether this product is right for you.
Can I take this if I'm on warfarin or another blood thinner?
No, not without checking with your doctor first. Saw palmetto is reported to prolong bleeding time, so combining it with blood thinners or antiplatelet drugs could increase your risk of excessive bleeding.
Does pumpkin seed oil really help with prostate enlargement?
Pumpkin seed oil is rated Possibly Effective for benign prostatic hyperplasia based on available evidence, though it's not a substitute for medical care. If you have prostate symptoms, talk with your doctor about all your options.
Can I take this if I have an upset stomach?
Since abdominal discomfort and diarrhea are among the most common side effects, this product might not be the best choice if your stomach is already sensitive. Start by asking your doctor or pharmacist whether it's right for you.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Prostate Advantage is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.

Prostate Advantage label
Sources

Sources & How We Checked

Prostate Advantage'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 27 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.

Pumpkin 5 references
  1. Marks L, Partin AW, Epstein JI, et al. Effects of a saw palmetto herbal blend in men with symptomatic benign prostatic hyperplasia. J Urol 2000;163:1451-6. DOI
  2. Cho YH, Lee SY, Jeong DW, et al. Effect of pumpkin seed oil on hair growth in men with androgenetic alopecia: a randomized, double-blind, placebo-controlled trial. Evid Based Complement Alternat Med 2014;2014:549721. PubMed
  3. Vahlensieck W, Theurer C, Pfitzer E, Patz B, Banik N, Engelmann U. Effects of pumpkin seed in men with lower urinary tract symptoms due to benign prostatic hyperplasia in the one-year, randomized, placebo-controlled GRANU study. Urol Int 2015;94(3):286-95 PubMed
  4. Assouly P. Hair loss associated with cucurbit poisoning. JAMA Dermatol. 2018 May 1;154(5):617-618. PubMed
  5. Gawryjolek J, Ludwig H, Zbikowska-Götz M, Bartuzi Z, Krogulska A. Anaphylaxis after consumption of pumpkin seeds in a 2-y-old child tolerant to its pulp: A case study. Nutrition 2021;89:111272. PubMed

See these in context on the Pumpkin monograph →

Saw Palmetto 22 references
  1. Wilt TJ, Ishani A, Stark G, et al. Saw palmetto extracts for treatment of benign prostatic hyperplasia: a systematic review. JAMA 1998;280:1604-9. PubMed
  2. Carraro JC, Raynaud JP, Koch G, et al. Comparison of phytotherapy (Permixon) with finasteride in the treatment of benign prostate hyperplasia: a randomized international study of 1,098 patients. Prostate 1996;29:231-40. DOI
  3. Di Silverio F, D'Eramo G, Lubrano C, et al. Evidence that Serenoa repens extract displays an antiestrogenic activity in prostatic tissue of benign prostatic hypertrophy patients. Eur Urol 1992;21:309-14. PubMed
  4. Stepanov VN, Siniakova LA, Sarrazin B, Raynaud JP. Efficacy and tolerability of the lipidosterolic extract of Serenoa repens (Permixon) in benign prostatic hyperplasia: a double-blind comparison of two dosage regimens. Adv Ther 1999;16:231-41.
  5. Cheema P, El-Mefty O, Jazieh AR. Intraoperative haemorrhage associated with the use of extract of Saw Palmetto herb: a case report and review of literature. J Intern Med 2001;250:167-9. PubMed
  6. Jibrin I, Erinle A, Saidi A, Aliyu ZY. Saw palmetto-induced pancreatitis. South Med J 2006;99:611-2. PubMed
  7. Prager N, Bickett K, French N, Marcovici G. A randomized, double-blind, placebo-controlled trial to determine the effectiveness of botanically derived inhibitors of 5-alpha-reductase in the treatment of androgenetic alopecia. J Altern Complement Med 2002
  8. Avins AL, Bent S, Staccone S, et al. A detailed safety assessment of a saw palmetto extract. Complement Ther Med 2008;16:147-54. PubMed
  9. Morgia, G., Mucciardi, G., Gali, A., Madonia, M., Marchese, F., Di, Benedetto A., Romano, G., Bonvissuto, G., Castelli, T., Macchione, L., and Magno, C. Treatment of chronic prostatitis/chronic pelvic pain syndrome category IIIA with Serenoa repens plus
  10. Aliaev, IuG, Vinarov, A. Z., Lokshin, K. L., and Spivak, L. G. [Efficiency and safety of prostamol-Uno in patients with chronic abacterial prostatitis]. Urologiia. 2006;(1):47-50.
  11. Agbabiaka, T. B., Pittler, M. H., Wider, B., and Ernst, E. Serenoa repens (saw palmetto): a systematic review of adverse events. Drug Saf 2009;32(8):637-647. PubMed
  12. Wargo, K. A., Allman, E., and Ibrahim, F. A possible case of saw palmetto-induced pancreatitis. South.Med.J. 2010;103(7):683-685. PubMed
  13. Lapi, F., Gallo, E., Giocaliere, E., Vietri, M., Baronti, R., Pieraccini, G., Tafi, A., Menniti-Ippolito, F., Mugelli, A., Firenzuoli, F., and Vannacci, A. Acute liver damage due to Serenoa repens: a case report. Br.J.Clin.Pharmacol. 2010;69(5):558-560.
  14. Mantovani, F. Serenoa repens in benign prostatic hypertrophy: analysis of 2 Italian studies. Minerva Urol.Nefrol. 2010;62(4):335-340.
  15. Hanaka, M., Yoshii, C., Yatera, K., Ito, C., Chojin, Y., Nagata, S., Yamasaki, K., Nishida, C., Kawanami, T., Kawanami, Y., Ishimoto, H., and Mukae, H. [A case of rhabdomyolysis caused by saw palmetto of healthy foods]. J.UOEH. 6-1-2012;34(2):193-199. PubMed
  16. Miroddi, M., Carni, A., Mannucci, C., Moleti, M., Navarra, M., and Calapai, G. Hot flashes in a young girl: a wake-up call concerning Serenoa repens use in children. Pediatrics 2012;130(5):e1374-e1376.
  17. Braeckman J. The extract of Serenoa repens in the treatment of benign prostatic hyperplasia: a multicenter open study. Current Therapeutic Research 1994;55(7):776-785. DOI
  18. Jipescu D, Patel A, Bohra H, Pientka A. Rare case of saw palmetto induced heart block. JACC 2017;69(11) supplement:2310.
  19. Morabito P, Miroddi M, Giovinazzo S, Spina E, Calapai G. Serenoa repens as an endocrine disruptor in a 10-year-Old young girl: a new case report. Pharmacology. 2015;96(1-2):41-3. doi: 10.1159/000431327.
  20. Gammoudi R, Ameur K, Ouni B, et al. Fixed drug eruption to Serenoa repens: first case report and consideration of the use of herbal medicine. Dermatol Ther 2020 Aug 29:e14247.
  21. Paulis G, Paulis A, Perletti G. Serenoa repens and its effects on male sexual function. A systematic review and meta-analysis of clinical trials. Arch Ital Urol Androl 2021;93(4):475-480. PubMed
  22. Venkateswaran S, Declet-Bauzo R, Shodeinde M, Gilford P. Postoperative Retroperitoneal Hematoma: A Case of Saw Palmetto and the Importance of Primary Care Intervention. HCA Healthc J Med 2020;1(5):279-282. PubMed

See these in context on the Saw Palmetto monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

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.

© 2021 Therapeutic Research Center, LLC

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