Interactions on record — worth a quick check against your medications. Check your meds →
Dietary supplement

TestoQuench For Men Ingredients & Drug Interactions

by Douglas Laboratories

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

TestoQuench For Men is a dietary supplement by Douglas Laboratories with 6 active ingredients. Its ingredients are commonly taken for stress and anxiety, blood sugar support, respiratory complaints.Based on those ingredients, 1,059 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Piper cubeba, Magnolia officinalis bark extract, Holy Basil. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of TestoQuench For Men by Douglas Laboratories

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

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 6 active ingredients.
  • “Proprietary Blend” is a proprietary blend — the label gives one combined amount (2,880 mg) without saying how much of each component you get.

TestoQuench For Men has six active ingredients in a proprietary blend formula. Holy Basil, Saw Palmetto berry extract, Stinging Nettle leaf extract, Pygeum africanum, Magnolia officinalis bark extract, and Piper cubeba are the botanicals here.

The product also contains inactive ingredients — the capsule itself is made from Hydroxypropyl Methylcellulose, and the blend includes Cellulose, Vegetable Stearate, and Silica as fillers and flow agents.

Does it work?

Strong 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
Strong

Clinical evidence supports at least one of this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: Prostate health and urinary support for men.
  • We looked for evidence on: Benign prostatic hyperplasia (BPH), Chronic prostatitis and chronic pelvic pain syndrome (CP/CPPS), Non-neurogenic lower urinary tract symptoms (LUTS), Prostatitis, Urinary tract infections (UTIs), Lower urinary tract symptoms — and 1 related terms.
  • The strongest evidence on file: Pygeum is rated "Likely 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: Stinging Nettle is rated "Insufficient Reliable Evidence To Rate" for Benign prostatic hyperplasia (BPH), Urinary tract infections (UTIs).

The evidence for most of these ingredients is limited. Pygeum is likely effective for benign prostatic hyperplasia (enlarged prostate), but saw palmetto is actually marked possibly ineffective for BPH despite common use for it.

Holy Basil, Stinging Nettle, Magnolia, and Piper cubeba don't have established evidence for the conditions this product seems aimed at — the data we hold shows insufficient reliable evidence to rate them for anxiety, diabetes, or prostate health. If you're considering this for a specific concern, talk with your pharmacist about what the science actually supports.

The evidence, ingredient by ingredient Holy Basil Saw Palmetto Stinging Nettle Pygeum Magnolia Cubebs

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 5 of the 6 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 6 of 6.
  • General safety write-ups exist for 6 of 6.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Holy Basil, Saw Palmetto, Stinging Nettle, and Magnolia are all generally well tolerated short-term in adults, though long-term safety data are limited. The most common side effects reported with these ingredients are mild — loose stools and nausea with Holy Basil; abdominal pain, constipation, diarrhea, headache, and nausea with Saw Palmetto; constipation or diarrhea with Stinging Nettle.

Magnolia has been well tolerated in trials, though one patient in a combination study reported sexual dysfunction. During pregnancy, Holy Basil and Saw Palmetto are marked likely or possibly unsafe — animal data raise concerns and safety isn't established, so they should be avoided.

Stinging Nettle and Magnolia haven't been adequately studied in pregnancy, and traditional concerns about their effects on the uterus mean they're best avoided too. None of these ingredients have enough safety data during breastfeeding — your doctor or pharmacist can help you weigh whether this product is right for you if you're nursing.

Side effects, ingredient by ingredient Holy Basil Saw Palmetto Stinging Nettle Pygeum Magnolia Cubebs

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?
  • 5 of the 6 matched ingredients can interact with medications — Magnolia, Cubebs, Stinging Nettle, Saw Palmetto, Holy Basil.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; diabetes medications; lithium.
  • For scale: 1,060 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 your medications if you take blood thinners or antiplatelet drugs (Holy Basil, Saw Palmetto, and Magnolia all raise bleeding risk). If you take diabetes drugs, watch for low blood sugar — Holy Basil and Stinging Nettle can add to their effects.

Birth control or estrogen therapy may be less effective with Saw Palmetto. Warfarin users should be aware that Stinging Nettle's vitamin K content could interfere with it.

If you take water pills (diuretics), lithium, sedatives, or pentobarbital, run those by us too.

Check your own medication Run your meds through the checker above

The bottom line

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

TestoQuench For Men is aimed at men's prostate and urinary health, but the evidence for most ingredients is weak or absent. If you take any blood thinners, diabetes medications, diuretics, lithium, warfarin, birth control, or sedatives, check your exact medications with our tool before starting.

Pregnant or breastfeeding? Talk to your doctor first.

A conversation with your pharmacist about your specific needs and current medications is the best next step.

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

Assessment coverage: 6 of 6 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Mar 24, 2016.

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 TestoQuench For Men, straight from the product label.

Brand Douglas Laboratories
Barcode (UPC) 310539038178
Net contents 120 Vegetarian Capsule(s)
Market status On market
Date entered into DSLD Mar 24, 2016
DSLD ID 57565
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other
Intended target group(s) Adult Male (18-50 Years), Gluten Free, Dairy Free, Sugar 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 TestoQuench For Men by Douglas Laboratories, 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 Vegetarian Capsule(s)
Maximum serving Sizes:
4 Vegetarian Capsule(s)
Servings per container
60
UPC/BARCODE
310539038178
IngredientAmount% DV
Proprietary Blend2880 mg, 1440 mg--
Holy Basil0 NP, 0 NP--
Saw Palmetto berry extract0 NP, 0 NP--
Stinging Nettle leaf extract0 NP, 0 NP--
Pygeum africanum0 NP, 0 NP--
Magnolia officinalis bark extract0 NP, 0 NP--
Piper cubeba0 NP, 0 NP--

Other ingredients: Hydroxypropyl Methylcellulose, Cellulose, Vegetable Stearate, Silica

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

Suggested Usage: As a dietary supplement, adults may take 2 capsules each day with food for 1 to 2 weeks or as directed by your healthcare professional. The dose may then be increased to 4 capsules each day with food for 2 to 4 months or as directed by your healthcare professional. After 2 to 4 months, dosage may be lowered back down to 2 capsules each day with food and may continue on that dosage as needed or as directed by your healthcare professional.

Precautions

WARNING: If you are taking prescription medications, consult your healthcare professional before using this supplement.

KEEP OUT OF REACH OF CHILDREN.

Tamper resistant package, do not use if outer seal is missing.

Formulation

This product contains NO yeast, wheat, gluten, soy, milk/dairy, corn, sodium, sugar, starch, artificial coloring, artificial preservatives, artificial flavoring, or genetically modified organisms (GMOs).

Storage

For optimal storage conditions, store in a cool, dry place.(59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

General

Formula #201351

FDA Statement of Identity

A Dietary Supplement

General Statements

Hormone Specific Formulation

See for yourself

TestoQuench For Men by Douglas Laboratories label

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

What’s inside

The Ingredients in TestoQuench For Men by Douglas Laboratories

These are the 6 active ingredients this product is made of. Select any to open its full monograph.

Serving size2 Vegetarian 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.

Other (inactive) ingredients: Hydroxypropyl Methylcellulose, Cellulose, Vegetable Stearate, Silica. These complete the product’s ingredient list but are not active constituents.

Interaction report

TestoQuench For Men by Douglas Laboratories Drug Interactions

Want to check YOUR meds against TestoQuench For Men?

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
1,059Drugs
1,044 Moderate 15 Minor

Each ingredient & the kinds of drugs it affects

For each ingredient in TestoQuench For Men 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.

Piper cubeba4 drug types · 665 drugs

Cytochrome P450 3A4 (Cyp3A4) Substrates

Several compounds isolated from cubebs can inhibit cytochrome P450 3A4 (CYP3A4) in vitro. So far, this effect has not been reported in humans. Theoretically, cubebs might increase the effects and side effects of drugs metabolized by CYP3A4. These include lovastatin (Mevacor), clarithromycin (Biaxin), cyclosporine (Neoral, Sandimmune), diltiazem (Cardizem), estrogens, indinavir (Crixivan), triazolam (Halcion), and numerous others.

Likelihood Possible Evidence D
Antacids

Theoretically, due to reports that cubebs increases stomach acid, cubebs might decrease the effectiveness of antacids.

Likelihood Possible Evidence D
H2-Blockers

Theoretically, due to reports that cubebs increases stomach acid, cubebs might decrease the effectiveness of H2-blockers. The H2 blockers include cimetidine (Tagamet), ranitidine (Zantac), nizatidine (Axid), and famotidine (Pepcid).

Likelihood Possible Evidence D
Proton Pump Inhibitors (Ppis)

Theoretically, due to reports that cubebs increases stomach acid, cubebs might decrease the effectiveness of PPIs. PPIs include omeprazole (Prilosec), lansoprazole (Prevacid), rabeprazole (Aciphex), pantoprazole (Protonix), and esomeprazole (Nexium).

Likelihood Possible Evidence D

Magnolia officinalis bark extract2 drug types · 351 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, magnolia might have additive effects and increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
In vitro research shows that the chemicals magnolol and honokiol, isolated from magnolia bark, inhibit platelet aggregation that is experimentally induced by collagen and arachidonic acid. However, they do not inhibit platelet aggregation that is induced by adenosine diphosphate, platelet-activating factor, or thrombin. This interaction has not been reported in humans.

Likelihood Possible Evidence D
Cns Depressants

Theoretically, concomitant use of large doses of magnolia bark and CNS depressants might have additive effects.
In vitro and animal research shows that constituents extracted from magnolia bark, especially honokiol and magnolol, have sedative effects. These effects may be due to the inhibition of catecholamine release and modulation of gamma-aminobutyric acid-A (GABA-A) receptors.

Likelihood Possible Evidence D

Holy Basil3 drug types · 212 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, holy basil seed oil might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Animal research shows that holy basil seed oil can prolong bleeding time, possibly due to inhibition of platelet aggregation. However, it is not known if this occurs in humans.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, holy basil might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Small clinical studies show that taking holy basil can decrease fasting blood glucose and other measures of glycemic control in patients with type 2 diabetes.

Likelihood Possible Evidence B
Pentobarbital (Nembutal)

Theoretically, holy basil seed oil might increase the sedative effects of pentobarbital.
Animal research shows that holy basil seed oil increases pentobarbitone-induced sleeping time. However, it is not known if this occurs in humans or if this applies to other barbiturates or sedatives.

Likelihood Possible Evidence D

Saw Palmetto berry 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

Stinging Nettle leaf extract4 drug types · 164 drugs

Antidiabetes Drugs

Theoretically, stinging nettle might have additive effects with antidiabetes drugs.
Clinical research shows that stinging nettle might decrease blood glucose levels in patients with diabetes.

Likelihood Possible Evidence B
Diuretic Drugs

Theoretically, combining stinging nettle with diuretic drugs may have additive effects.
Animal research suggests that the above ground parts and roots of stinging nettle may have a diuretic effect.

Likelihood Possible Evidence D
Lithium

Theoretically, stinging nettle might reduce excretion and increase levels of lithium.
Animal research suggests that stinging nettle has diuretic and natriuretic properties, which could alter the excretion of lithium. The dose of lithium might need to be decreased.

Likelihood Possible Evidence D
Warfarin (Coumadin)

There is some concern that stinging nettle might decrease the effects of anticoagulant drugs such as warfarin.
Stinging nettle contains a significant amount of vitamin K. When taken in large quantities, this might interfere with the activity of warfarin.

Likelihood Possible Evidence D
The maker

Brand information

Manufacturer and brand details for TestoQuench For Men, from the product label.

Douglas Laboratories

See all Douglas Laboratories products
Name
Douglas Laboratories
Street Address
600 Boyce Road
City
Pittsburgh
State
PA
ZipCode
15205
Phone Number
1.800.245.440
Pharmacist Counseling Corner

TestoQuench For Men by Douglas Laboratories: Common Questions

Does TestoQuench For Men by Douglas Laboratories interact with any medications?
Yes. Based on its ingredients, TestoQuench For Men has a known interaction with 1,059 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
TestoQuench For Men contains 6 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.
Does this product work for prostate health?
Pygeum is likely effective for benign prostatic hyperplasia, but Saw Palmetto — one of the other main ingredients — is marked possibly ineffective for it. The evidence for the other botanicals in this blend is too weak to say they'll help with prostate or urinary symptoms. Your doctor can recommend what's actually proven for your situation.
Can I take this if I'm pregnant or breastfeeding?
No, this product isn't safe to use during pregnancy — Holy Basil and Saw Palmetto are marked as likely or possibly unsafe, and the others don't have enough data. We don't have enough safety information for breastfeeding either. Talk with your doctor or pharmacist about whether this is right for you right now.
What side effects might I experience?
The most common ones are mild — loose stools, nausea, constipation, diarrhea, and headache have been reported with various ingredients in this blend. These side effects were infrequent in the studies we have. If you develop a rash, severe stomach pain, or anything that concerns you, stop and contact your pharmacist or doctor.
I take birth control. Is this safe?
Saw Palmetto in this product may reduce how well your birth control works because of its antiestrogenic effects. Talk to your pharmacist or doctor before starting, and use backup contraception if you decide to take it.
What is Pygeum africanum?
It's an extract from the bark of an African plum tree, traditionally used for prostate health. In this product, it's the one ingredient with solid evidence — it's likely effective for benign prostatic hyperplasia.
Are there any fillers in this?
Yes. Beyond the six active botanical ingredients, the capsule contains Hydroxypropyl Methylcellulose, Cellulose, Vegetable Stearate, and Silica — these are standard capsule materials and flow agents.

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

Not sure if TestoQuench For Men is safe with your meds?

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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.

TestoQuench For Men label
Go deeper

The Full Monographs Behind TestoQuench For Men’s Ingredients

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

Herb & supplement monograph

Holy Basil

Interacts with 212 drugs

Holy basil (tulsi) is a traditional Ayurvedic herb most often used today for stress and general wellness, but the human evidence is mostly small and preliminary. It is generally well tolerat...

Read the full Holy Basil monograph →
Herb & supplement monograph

Saw Palmetto

Interacts with 174 drugs

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 better than a placebo for most men, though i...

Read the full Saw Palmetto monograph →
Herb & supplement monograph

Stinging Nettle

Interacts with 164 drugs

Stinging nettle is a common plant used as food and in traditional medicine, most often for prostate symptoms, allergies, and joint pain. The evidence is mixed and mostly preliminary, so it i...

Read the full Stinging Nettle monograph →
Herb & supplement monograph

Pygeum

Pygeum is an extract from the bark of the African cherry tree that is most often used to ease urinary symptoms linked to an enlarged prostate. Some studies suggest modest benefit for these s...

Read the full Pygeum monograph →
Herb & supplement monograph

Magnolia

Interacts with 351 drugs

Magnolia bark and flower buds have a long history in traditional Chinese and Japanese medicine, often for stress, sleep, and digestion. Modern human research is still limited, so we can't be...

Read the full Magnolia monograph →
Herb & supplement monograph

Cubebs

Interacts with 665 drugs

Cubebs are spicy, peppery berries from a vine in the pepper family that have long been used in traditional medicine for coughs, digestion, and urinary problems. Modern human studies are very...

Read the full Cubebs monograph →
Sources

Sources & How We Checked

TestoQuench For Men'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 67 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.

Holy Basil 8 references
  1. Agrawal P, Rai V, Singh RB. Randomized placebo-controlled, single blind trial of holy basil leaves in patients with noninsulin-dependent diabetes mellitus. Int J Clin Pharmacol Ther 1996;34:406-9.
  2. Sakina MR, Dandiya PC, Hamdard ME, Hameed A. Preliminary psychopharmacological evaluation of Ocimum sanctum leaf extract. J Ethnopharmacol 1990;28:143-50. PubMed
  3. Singh S, Rehan HM, Majumdar DK. Effect of Ocimum sanctum fixed oil on blood pressure, blood clotting time and pentobarbitone-induced sleeping time. J Ethnopharmacol 2001;78:139-43. PubMed
  4. Mondal, S., Varma, S., Bamola, V. D., Naik, S. N., Mirdha, B. R., Padhi, M. M., Mehta, N., and Mahapatra, S. C. Double-blinded randomized controlled trial for immunomodulatory effects of Tulsi (Ocimum sanctum Linn.) leaf extract on healthy volunteers. J PubMed
  5. Agarwal, P. and Nagesh, L. Comparative evaluation of efficacy of 0.2% Chlorhexidine, Listerine and Tulsi extract mouth rinses on salivary Streptococcus mutans count of high school children--RCT. Contemp.Clin Trials 2011;32(6):802-808. PubMed
  6. Vohora, S. B., Garg, S. K., and Chaudhury, R. R. Antifertility screening of plants. 3. Effect of six indigenous plants on early pregnancy in albino rats. Indian J Med Res 1969;57(5):893-899.
  7. Khanna S, Gupta SR, Grover JK. Effect of long term feeding of tulsi (Ocimum sanctum Linn) on reproductive performance of adult albino rats. Indian J Exp Biol 1986;24(5):302-4.
  8. Somasundaram G, Manimekalai K, Salwe KJ, Pandiamunian J. Evaluation of the antidiabetic effect of Ocimum sanctum in type 2 diabetes patients. Int J Life Sci Pharma Res 2012;2(3):75-81.

See these in context on the Holy Basil 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 →

Stinging Nettle 23 references
  1. Monographs on the medicinal uses of plant drugs. Exeter, UK: European Scientific Co-op Phytother, 1997.
  2. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.
  3. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
  4. Schulz V, Hansel R, Tyler VE. Rational Phytotherapy: A Physician's Guide to Herbal Medicine. Terry C. Telger, transl. 3rd ed. Berlin, GER: Springer, 1998.
  5. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
  6. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
  7. Mittman P. Randomized, double-blind study of freeze-dried Urtica dioica in the treatment of allergic rhinitis. Planta Med 1990;56:44-7.
  8. Vontobel HP, Herzog R, Rutishauser G, Kres H. [Results of a double-blind study on the effectiveness of ERU (extractum radicis Urticae) capsules in conservative treatment of benign prostatic hyperplasia]. (Abstract). Urologe A 1985;24:49-51.
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Pygeum 3 references
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Cubebs 2 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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