For the most part, protein powders offer a safe way to supplement protein intake for those with an active lifestyle or those seeking to lose weight.
For vegans and vegetarians, soy protein powder offers an excellent alternative to whey as a protein source.
Not only is pea protein powder safe, but it's hypoallergenic and seldom causes intolerance in humans.
Beef protein powder is very safe as long as you select a quality product which is low in fat and cholesterol.