A competitive enzyme immunoassay for screening and quantitative analysis of methyltestosterone in various matrices.

Methyltestosterone (17α-methyltestosterone) is a synthetic androgen that is commonly used by fish farmers for sex reversal in fish. Furthermore, methyltestosterone is illegally used in cattle as a growth promoter.

The EuroProxima Methyltestosterone ELISA is a competitive enzyme immunoassay that is validated for screening of several food matrices.