Drug & supplement interaction

Bredesen Protocol + Collagenase Clostridium Histolyticum-Aaes

Collagenase Clostridium Histolyticum-Aaes brand name: Qwo.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Bredesen Protocol and Collagenase Clostridium Histolyticum-Aaes 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

Bredesen Protocol and Collagenase Clostridium Histolyticum-Aaes

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 Collagenase Clostridium Histolyticum-Aaes and Bredesen Protocol 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 Bredesen Protocol at all — not against Collagenase Clostridium Histolyticum-Aaes, 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.

Bredesen Protocol safety at a glance

Bredesen Protocol overall Use caution It involves many supplements and major lifestyle changes that should be supervised by a clinician.
Pregnancy Avoid The program is not intended for pregnancy and includes supplements not studied in pregnant people.
Breastfeeding Avoid Safety while breastfeeding has not been established for this multi-supplement program.

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

Still wondering about combining Collagenase Clostridium Histolyticum-Aaes and Bredesen Protocol? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How much people look this up

Where Bredesen Protocol and Collagenase Clostridium Histolyticum-Aaes 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 Bredesen Protocol
Steady interest

#1,290 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Collagenase Clostridium Histolyticum-Aaes
Steady interest

#2,565 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 Bredesen Protocol reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Bredesen Protocol and Collagenase Clostridium Histolyticum-Aaes 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 Bredesen Protocol

What is Bredesen Protocol?

  • Early memory loss
  • Mild cognitive impairment
  • Early Alzheimer's disease
  • Cognitive decline prevention
  • Brain health support

The Bredesen Protocol is not a herb or single supplement—it is a complex, individualized program of diet, exercise, sleep, stress reduction, and many supplements aimed at slowing or reversing cognitive decline. Rigorous, large, controlled studies are lacking, so its benefits remain unproven, and it should only be tried under medical supervision. Talk with your doctor or pharmacist before starting any part of it.

Multi-part lifestyle and supplement program (diet, exercise, sleep, supplements, and other interventions)

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

Bredesen Protocol: dosing

There is no single standard dose for the Bredesen Protocol because it is a personalized, multi-part program, not one product. The supplements, diet, and other steps are meant to be tailored to each person based on testing and a practitioner's guidance.If you choose to explore it, do so under the supervision of a qualified clinician and review every supplement with your pharmacist to check the dose and avoid duplication or excess. Always follow the label on any product you take and do not exceed recommended amounts.

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

Read the full Bredesen Protocol monograph & all interactions
Medication

About Collagenase Clostridium histolyticum Injection

What Is Collagenase Clostridium histolyticum Injection Used For?

Brand name: Qwo

  • Collagenase Clostridium histolyticum injection (Xiaflex) is used to treat Dupuytren's contracture (a painless thickening and tightening of tissue [cord] beneath the skin in the palm of the hand, which may make it difficult to straighten one or more fingers) when a cord of tissue can be felt upon examination. Collagenase Clostridium histolyticum injection (Xiaflex) is also used to treat Peyronie's disease (a thickening of tissue [plaque] inside the penis that causes the penis to curve). Collagenase Clostridium histolyticum injection (QWO) is also used to treat cellulite (fat deposit beneath the skin) in the buttocks of adult women. Collagenase Clostridium histolyticum injection is in a class of medications called enzymes. In people with Dupuytren's contracture, it works by helping to break down the cord of thickened tissue and allows the finger(s) to be straightened. In people with Peyronie's disease, it works by helping to break down the plaque of thickened tissue and allows the penis to be straightened. In women with cellulite, it works by releasing fibrous bands, redistributing fat cells, and stimulating the growth of new collagen.

See full Collagenase Clostridium histolyticum Injection drug information
Keep checking

Other Drugs & Bredesen Protocol

Browse every other medication we’ve checked against Bredesen Protocol — 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

Bredesen Protocol References

The 1 references that drive our Bredesen Protocol 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. Bredesen DE. Reversal of cognitive decline: a novel therapeutic program. Aging (Albany NY). 2014;6(9):707-17. 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 Bredesen Protocol and Collagenase Clostridium Histolyticum-Aaes Together: Common Questions

Is it safe to take Bredesen Protocol with Collagenase Clostridium Histolyticum-Aaes?
We do not list a known interaction between Bredesen Protocol and Collagenase Clostridium Histolyticum-Aaes. 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.

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

Still Have a Question About Collagenase Clostridium Histolyticum-Aaes and Bredesen Protocol?

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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.