I have been taking the birth control pill called Loestrin 24 since I ve had my son almost two years ago. This past week I have started a new diet called Body By Vi which is a soy protein shake that you drink twice a day to replace two meals a day. According to their website the isoflavones have been removed from the soy and I heard this is what has an affect on birth control. So I was wondering if it would still be ok for me to continue on the shakes without having to worry about it having an impact on my birth control?