date:Jul 22, 2013
ities
Many popular protein powders are derived from whey and soy. Whey protein is derived from milk and the lactose in whey protein powders can cause digestive discomfort to those who are lactose-intolerant. As for soy, not only is it a common allergen but it may also slow down thyroid function and potentially lead to dreadful weight gain.
Many protein powder formulations also contain artificial sweeteners and flavoring to mimic the taste of milkshakes. These artificial ingredients may cause u