The difference between whey and casein is how they’re digested and how they react in the body.
Whey protein is digested quickly and absorbed rapidly into the bloodstream, which causes an increase in insulin quickly.

Whey is 99.9% lactose-free.

Avoid whey powder
Ricotta cheese ( very high in whey)
Butter
Milk
Cream
Yogurt
Sour Cream
Cheese
White or Milk Chocolate
Ice Cream
Creamed Soups and Vegetables
Soup Bases
Puddings
Custard