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Different substances: 80% of protein in milk is casein, 20% whey. They have different balances of amino acids, whey is absorbed more quickly and they have different effects. See http://www.bodybuilding.com/fun/satternorton.htm and http://www.bodybuilding.com/fun/casein_vs_whey_protein.htm and https://www.t-nation.com/supplements/whey-vs-casein-the-real-story for more details. ...Read moreSee 1 more doctor answer
Any pure protein....: ...powder is protein. It's what else that's added 2 it that needs watching. Read labels carefully & if U don't understand what's been added, ask Ur PCP or a dietitian. 2 much protein will challenge Ur kidneys, so more is not always better. U need 50gms/day generally. Add supplement as U exercise especially in weight training.U have bbetter dose control with powered rather than capsules or pills. ...Read more
Big difference!: Lecithin is a generic term to designate any group of yellow-brownish fatty substances occurring in animal and plant tissues composed of phosphoric acid, choline, fatty acids, glycerol, and triglycerides. An example-spray on pam! soy protein is prtein derived from soy, and contains Amino Acids necessary for life! ...Read more
Whey: Both are the same.Get a more detailed answer ›
Will supplementing a lower protein semi-vegetarian diet with whey protein powder improve immune function?
Probably: This depends on sufficiency of protein in your diet but deficiency of Amino Acids is not unusual ; grows more common as we age, as most over age 60 produce insufficient hydrochloric acid, needed to digest protein. Low protein impairs immune function; whey is a superb source proven to increase glutathione, important for immune function. There are big differences in quality-see http://bit.Ly/1fpottv. ...Read moreSee 1 more doctor answer