A member asked:

Does protein shakes that contain soy decrease my birthcontrol pills effectiveness? i know soy has estrogen effects

A doctor has provided 1 answer

It should not affect: As long as you eat a varied diet in addition to the shakes, there should not be any significant effect on BCP. Many BCP contain estrogen in additon to progesterone.

Answered 5/11/2017

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Related Questions

A member asked:

Do soy proteins help in estrogen production in women?

A doctor has provided 1 answer