Soy and soy products are horrible for you. Don’t eat them.
“Hypogonadism and erectile dysfunction associated with soy product consumption”
Siepmann, T., Roofeh, J., Kiefer, F. W., & Edelson, D. G. (2011). Hypogonadism and erectile dysfunction associated with soy product consumption. Nutrition, 27(7-8), 859-862.
“14 days of supplementation with soy protein does appear to partially blunt serum testosterone.”
Kraemer, W. J., Solomon-Hill, G., Volk, B. M., Kupchak, B. R., Looney, D. P., Dunn-Lewis, C., … & Maresh, C. M. (2013). The effects of soy and whey protein supplementation on acute hormonal responses to resistance exercise in men. Journal of the American College of Nutrition, 32(1), 66-74.