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Supplement Forms/Alternate Names:



Methoxyisoflavone is a compound that is not found naturally but can be made using soy products. It has been used to boost strength and muscle mass. Methoxyisoflavone can be taken as a pill.


800 milligrams once daily

What Research Shows

Not Enough Data to Assess

Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.

Safety Notes

It is likely safe to take methoxyisoflavone for a short time. Not enough studies have been done to say whether it is safe to take for a long period or by women who are pregnant or breastfeeding.


Talk to your doctor about any supplements or therapy you would like to use. Some can interfere with treatment or make conditions worse.



A1. Wilborn C, Taylor L, et al. Effects of Methoxyisoflavone, Ecdysterone, and Sulfo-Polysaccharide Supplementation on Training Adaptations in Resistance-Trained Males. J Int Soc Sports Nutr. 2006;3(2):19-27.

Last reviewed March 2020 by EBSCO NAT Review Board Eric Hurwitz, DC  Last Updated: 6/29/2020