S-23
Scientific names: (2S)-3-(4-Chloro-3-fluorophenoxy)-N-(4-cyano-3-(trifluoromethyl)phenyl)-2-hydroxy-2-methylpropanamide
Background
S-23 is a type of chemical known as a selective androgen receptor modulator (SARM). It mimics the activity of testosterone in the body.
S-23 is banned by the World Anti-Doping Agency (WADA) and the National Collegiate Athletic Association (NCAA).
S-23 is used to increase energy, improve athletic performance, increase muscle growth, and for other uses, but there is no good scientific evidence to support its use. S-23 might also be unsafe.
S-23 is banned by the World Anti-Doping Agency (WADA) and the National Collegiate Athletic Association (NCAA).
S-23 is used to increase energy, improve athletic performance, increase muscle growth, and for other uses, but there is no good scientific evidence to support its use. S-23 might also be unsafe.
Safety Safety definitions
When taken by mouth: S-23 is possibly unsafe for most people when taken by mouth. Side effects include liver damage, heart attack, stroke, and others.
Special Precautions & Warnings:
Pregnancy and breast-feeding: S-23 is possibly unsafe when pregnant or breast-feeding. Avoid using.Effectiveness
Effective Effectiveness definitions
There is interest in using S-23 for a number of purposes, but there isn't enough reliable information to say whether it might be helpful.
Dosing & administration
There isn't enough reliable information to know what an appropriate dose of S-23 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 S-23 - [FAST FACTS] interacts with any medicines. Before taking S-23 - [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.
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This monograph was last reviewed on 07/12/2023 11:00:00. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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Natural Medicines rates safety based on scientific evidence according to the following scale: Likely Safe, Possibly Safe, Possibly Unsafe, Likely Unsafe, Unsafe, and Insufficient Evidence to Rate. For more information about Natural Medicines’ Safety Rating System, click here.
The Natural Medicines Effectiveness Ratings are assigned for specific indications. A product might be rated "Possibly Effective" for one condition, but be rated "Likely Ineffective" for another condition, depending on the evidence. For more info click here.
