In the 60’s to 90’s the sports and fitness industry started to push protein supplements instead of whole food eating. The main protein supplement was protein shakes. In those days, I would drink 2 gallons of milk with my protein per week just to try to add more muscle. The protein tasted like a health food store and the serving size for 15 grams was a cup of powder. Vintage articles in the hardcore bodybuilding magazines didn’t tell me was that I would get explosive gas, abdominal cramps, and diarrhea from taking this mixture. Those side effects were the symptom of a condition called Lactose Intolerance.