Whey protein as a dietary supplement - its composition and effects
Whey protein is one of the most common types of protein to the food supplement market there and is produced from whey protein. It is available in powder form and in the form of finished protein drinks in conjunction with milk or water and can also be prepared with water, fruit juice or milk to form a protein shake . As a rich protein source, the whey protein has a large number of branched-chain amino acids and can be absorbed and used most quickly by the human organism after intensive exposure. This is mainly due to the high biological value, which is 104 for the whey protein . Already 30 minutes after consuming whey protein, they get into the blood. In total there are over 20 different amino acids in the whey protein, including the nine most important amino acids : leucine , isoleucine , lysine , valine , histidine , methionine as well as phenylalanine , threonine and tryptophan . In addition to its presence in food supplements, whey protein is also found in natural foods. This type of protein can therefore be found in milk , yogurt and cheese, for example. In terms of its effects, it can make sense to take whey protein after intense physical activity, since the rapid availability of the amino acids ensures an anabolic metabolic state. Whey protein therefore ensures faster muscle building after strength training, enables shorter regeneration phases, accelerates the metabolism and has an anti-catabolic effect after training.
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Whey protein is available as a dietary supplement in three different ways : as a whey protein concentrate , as a whey protein isolate and as a whey protein hydrolyzate . The most common form is the whey protein concentrate , which has a protein content of at least 75 percent. It has an enormously high biological value, a low fat content and is overall inexpensive and of high quality. Another form of whey protein is the whey protein isolate . This is a specially treated whey protein in which the fat and lactose content are almost completely removed during the manufacturing process. Whey protein isolate therefore has a protein content between 90 and 96 percent and is also better suited for lactose-intolerant users. Finally, the whey protein hydrolyzate is a whey protein in which the peptide chains have already been broken down and can therefore be used even faster by the body than regular whey protein. For use in sports , whey protein is suitable as a protein shake in conjunction with water or fruit juice directly after training. Here, whey protein ensures rapid regeneration and supports the immune system. Intake recommendations vary between 20 and 40 grams of whey protein powder after training, depending on the athlete. If, on the other hand, whey protein is to be used for weight loss, this can also be taken as a meal replacement in conjunction with low-fat milk. In this context, whey protein has highly satiating properties , with a comparatively low calorie content. Since whey proteins are also available in different flavors, they can also be used ideally as flavor carriers in shakes, smoothies as well as in pancakes and baked goods and thus represent a basic nutritional supplement with a variety of uses.