Question: what are sources of estrogen?
Answer: 10 Estrogen building foods:
Tofu. Tofu is produced from soy milk which is naturally high in phytoestrogens, specifically isoflavones. ... 
Flax Seeds. Flaxseeds, otherwise known as linseeds, contain lignans which are a type of phytoestrogen. ... 
Sesame Seeds. ... 
Soybeans. ... 
Hummus. ... 
Garlic. ... 
Dried Fruit.