Drug & supplement interaction

Muira Puama + Streptozocin

Streptozocin brand name: Zanosar.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Muira Puama and Streptozocin in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first.

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Interaction report

Muira Puama and Streptozocin

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Streptozocin and Muira Puama in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

Worth understanding: our licensed dataset holds no drug-interaction record for Muira Puama at all — not against Streptozocin, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Muira Puama safety at a glance

Muira Puama overall Use caution Generally used in small amounts traditionally, but human safety data are limited.
Pregnancy Avoid Not enough safety information; avoid during pregnancy.
Breastfeeding Avoid Not enough safety information; avoid while breastfeeding.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Streptozocin and Muira Puama? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
Everything else you take

See Every Supplement That Interacts With Streptozocin

This page covers Muira Puama only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Streptozocin page lists 13 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Asarabacca (major), Siberian Cocklebur (major), Acerola (moderate), Alpha-lipoic Acid (moderate) and Aristolochia (moderate).

By severity: 2 major · 10 moderate · 1 minor.

From our pharmacist’s overview on the Streptozocin page

“Streptozocin (Zanosar) is a chemotherapy drug whose best-known serious side effect is kidney damage, which makes its list of 13 interacting supplements one to treat with genuine care. Six are herbs that can injure the kidneys on their own, including both major-rated entries, Siberian cocklebur and asarabacca, and layering those onto a…”

Reviewed by 2 · Jul 18, 2026

Open the Streptozocin interaction page

One more smart check

Taking Muira Puama as Part of a Dietary Supplement Product? Check It for Interactions

We hold 698 real supplement products containing Muira Puama, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Muira Puama. Even though Muira Puama itself has no known interaction with Streptozocin, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Muira Puama and Streptozocin Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Muira Puama
Top 25%

#222 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Streptozocin
Steady interest

#2,646 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Muira Puama reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Muira Puama and Streptozocin records this page draws on were last updated June 22, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Supplement

About Muira Puama

What is Muira Puama?

  • Low libido
  • Erectile difficulty
  • Sexual performance
  • Fatigue and low energy
  • General tonic for stress

Muira puama is a Brazilian plant traditionally used as an aphrodisiac and general tonic, often nicknamed 'potency wood.' Human research is very limited, so its benefits are not well proven, and there is little information on its long-term safety. Talk with your pharmacist or doctor before trying it, especially if you have a health condition or take other medicines.

Ptychopetalum olacoides · Olacaceae · Roots and bark (sometimes wood) · Capsules, tinctures, liquid extracts, teas, and powders

An interaction check asks whether these two react with each other — it does not ask whether Muira Puama is a good idea for someone in your situation. Here is what our Muira Puama record says about it on its own.

Muira Puama: dosing

There is no well-established or standardized dose for muira puama. Products differ in form (capsule, tincture, tea) and in how concentrated they are, so amounts on labels vary widely.The safest approach is to follow the directions on the specific product you buy and to start low.

From our Muira Puama monograph — the full record covers uses, side effects and every documented interaction.

Read the full Muira Puama monograph & all interactions
Medication

About Streptozocin

What Is Streptozocin Used For?

Brand name: Zanosar

  • Streptozocin is used to treat cancer of the pancreas that has gotten worse or spread to other parts of the body. Streptozocin is in a class of medications called alkylating agents. It works by slowing or stopping the growth of cancer cells in your body.

Most-Reported Side Effects for Streptozocin

From FAERS, the FDA’s public side-effect reporting system (228 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Malignant neoplasm progression 60 reports
Pancreatic neuroendocrine tumour 37 reports
Hypoglycaemia 35 reports
Fatigue 34 reports
Nausea 29 reports
See full Streptozocin drug information
Keep checking

Other Drugs & Muira Puama

Browse every other medication we’ve checked against Muira Puama — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
0Moderate
0Minor
2,829No known interaction
No interaction 2,829 drugs checked — show the list
Evidence & sources

Muira Puama References

The 2 references that drive our Muira Puama monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. Waynberg, J. and Brewer, S. Effects of Herbal vX on libido and sexual activity in premenopausal and postmenopausal women. Adv Ther 2000;17(5):255-262. PubMed
  2. Nguyen S, Rajfer J, Shaheen M. Safety and efficacy of daily Revactin in men with erectile dysfunction: a 3-month pilot study. Transl Androl Urol. 2018;7(2):266-73. PubMed

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Taking Muira Puama and Streptozocin Together: Common Questions

Is it safe to take Muira Puama with Streptozocin?
We do not list a known interaction between Muira Puama and Streptozocin. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Does Streptozocin interact with any supplements?
Yes. Streptozocin has documented interactions with 13 supplements in our database — Muira Puama is not one of them. The Streptozocin interaction page linked on this page lists every one, ranked by severity.

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

Still Have a Question About Streptozocin and Muira Puama?

Our pharmacists answer your medication & supplement questions — free.

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This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.