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Whey protein is a milk-based product with a large amount of protein and some amounts of fat and carbs. The Bodybuilding.com Signature 100% Whey Protein combines all the benefits of whey concentrate, whey isolate, and whey hydrolysate. The macronutrients are 25 grams of protein, 3 grams of carbohydrates, and 2 grams of fat per 34 gram scoop. The post-workout consumption of whey has been extensively shown to increase muscle strength, size, performance while also helping decrease muscle soreness and body fat [1].
The rationale behind its effectiveness is the high amount of leucine, which has specifically shown to greatly impact protein synthesis and muscle growth [2]. One 34-gram scoop of whey protein has approximately 3 grams of leucine which has shown to trigger an anabolic response.
Many athletes choose a blend of whey protein because you get all of the benefits of each type of whey. Whey hydrolysate is already broken down into strings of amino acids making it easier to digest and faster to absorb. Whey isolate removes some of the fat, carbs, and lactose bringing up the protein content. Whey concentrate is the most unprocessed version leaving the natural nutrients from the milk.
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