They received either a 250 mg soy extract or a placebo each day. (bodybuildingforyou.com)
Its unique formula combines moisture - rich ACTIVE NATURALS ® soy extract with naturally derived granules to gently exfoliate while you cleanse, leaving your skin soft, smooth, and looking luminous. (aveeno.com)
There is a Braggs Liquid Aminos but I think it may contain soy extract! (deliciouslyella.com)