Why Whey Is Bad

Consumption of whey protein can lead to depletion of good bacteria in your gut and can increase bad bacteria which may cause stomach pain, constipation and gas. Your body may even find it difficult to digest dairy products or dairy proteins naturally.

Why is whey not good for you?

Most of whey protein’s side effects are related to digestion. Some people have problems digesting whey protein and experience symptoms such as bloating, gas, stomach cramps and diarrhea (5). But most of these side effects are related to lactose intolerance. Lactose is the main carb in whey protein.

Who should not take whey?

Risks. People with milk allergy or sensitivity should not use whey protein. It could cause an allergic reaction. If you have kidney disease, check with a doctor before using any type of protein powder.