Moderate consumption is 1 to 2 standard servings daily of whole soy foods, such as tofu, soy milk, edamame and soy nuts. (One serving averages about 7 grams of protein and 25 mg isoflavones.) Studies have demonstrated up to 3 servings/day ??? up to 100 mg/day of isoflavones ??? consumed in Asian populations long-term does not link to increased breast cancer risk.