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9 hours agoI mean most powders are from natural sources. Pea protein, whey comes from milk. Depends on the person, some people have digestive issues if they start taking a ton of protein and don’t adjust bit by bit. If you’re lactose intolerant, watch out for powders that are Whey based, some contain enough lactose to upset your gut. Some say lactose-free.
Source? I didn’t see anything with a cursory search…