M1-4ADD is a type of chemical known as a prohormone. It is converted in the body to testosterone and other sex hormones.

M1-4ADD is used for weight loss, to improve athletic performance, to reduce sexual problems, and for other uses, but there is no good scientific evidence to support its use. M1-4ADD might also be unsafe.

M1-4ADD is banned by the World Anti-Doping Agency (WADA) and the National Collegiate Athletic Association (NCAA).
When taken by mouth: M1-4ADD is possibly unsafe for most people when taken by mouth. Side effects include liver damage, infertility, behavioral changes, hair loss, and others.

Special Precautions & Warnings:

Pregnancy and breast-feeding: M1-4ADD is possibly unsafe when pregnant or breast-feeding. Avoid using.


There is interest in using M1-4ADD for a number of purposes, but there isn't enough reliable information to say whether it might be helpful.
Likely effective Effectiveness definitions
Possibly effective Effectiveness definitions
Likely ineffective Effectiveness definitions
Possibly ineffective Effectiveness definitions
Insufficient evidence Effectiveness definitions

Dosing & administration

There isn't enough reliable information to know what an appropriate dose of M1-4ADD might be. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult a healthcare professional before using.

Interactions with pharmaceuticals

It is not known if M1-4ADD [FAST FACTS] interacts with any medicines. Before taking M1-4ADD [FAST FACTS], talk with your healthcare professional if you take any medications.

Interactions with herbs & supplements

There are no known interactions with herbs and supplements.

Interactions with foods

There are no known interactions with foods.
vital.ly has licensed monographs from TRC Healthcare.
This monograph was last reviewed on 18/04/2022 17:10:04. Monographs are reviewed and/or updated multiple times per month and at least once per year.
Natural Medicines disclaims any responsibility related to medical consequences of using any medical product. Effort is made to ensure that the information contained in this monograph is accurate at the time it was published. Consumers and medical professionals who consult this monograph are cautioned that any medical or product related decision is the sole responsibility of the consumer and/or the health care professional. A legal License Agreement sets limitations on downloading, storing, or printing content from this Database. No reproduction of this monograph or any content from this Database is permitted without written permission from the publisher. It is unlawful to download, store, or distribute content from this site.