Whey and casein: This is the difference

Wheyundcasein

Whey and Casein are basically the two most popular food supplements on the market, and for good reason. Both products are very high quality proteins that are outstanding in terms of bioavailability and have a complete amino acid profile. In addition, both whey protein and casein are very rich in branched-chain amino acids (BCAA), which are required by the muscles for building, regeneration and energy utilization. Although both proteins are obtained from milk and have a lot in common in other respects, there are some significant differences that you should take advantage of for yourself and your diet.

What is the difference between the two proteins?

Whey protein, also known as whey protein, is primarily known for being particularly quick to digest, whereas the exact opposite is true of casein, as it is metabolized much more slowly. When casein, the so-called milk protein, comes into contact with stomach acid in the stomach, it flocculates, which leads to comparatively slow digestion. It can therefore take between five and seven hours for the amino acids in milk protein to enter the bloodstream. Whey protein, on the other hand, usually enters the bloodstream within less than an hour. Even though both proteins have a similar amino acid profile, whey protein is considered to be particularly anabolic, as it stimulates protein synthesis in the muscles much faster due to its rapid digestion. Casein, on the other hand, is said to be anti-catabolic, as it ensures a constant level of amino acids in the blood over a long period of time and thus ensures a continuous supply to the muscles. Ensuring the supply of essential amino acids is of great importance, because in the event of a deficiency, the body begins to utilize its own protein structures, i.e. hard-earned muscle tissue.

When should I take which protein?

Due to the fact that whey protein is a rapidly digestible protein, you should take advantage of this and consume whey protein immediately after training to supply your muscles as quickly as possible with all the amino acids required to initiate the regenerative processes. Whey protein also works even better in combination with short-chain carbohydrates such as maltodextrin, as the resulting insulin peak ensures improved nutrient transport to the muscle cells and the muscle glycogen stores are replenished at the same time. Alternatively, you can also use whey protein before training to prevent the occurrence of catabolic processes during training. Casein, on the other hand, is best used in situations where it is necessary to bridge longer phases without food intake. On the one hand, this serves to satiate the muscles and on the other hand to supply them with all the relevant amino acids. It is predestined for use immediately before going to bed, for example, because it is precisely during the night, when there is usually no food intake, that catabolic effects can be dampened particularly effectively with the help of milk protein. Another area of application is for employees who do not necessarily have regular breaks during their working day and therefore have difficulty planning their diet. In this case, it is therefore very useful to prepare with casein.

How can I use the proteins?

Whey protein is a true miracle of versatility, as it can be perfectly combined with both milk and water. But what makes it particularly versatile is the fact that whey protein can also be combined with yoghurt and oatmeal. It also opens up the option of using whey protein as a flour substitute in pancakes or protein muffins. On the other hand, milk protein is in no way inferior to whey protein in terms of versatility, because with the help of different flavors, yogurt, low-fat quark and a few nuts, for example, excellent snacks can be created for consumption before bedtime. As milk protein also tends to have a creamy consistency, it is also very suitable for preparing healthy desserts such as pudding and ice cream, which would normally be taboo as part of a diet, for example.

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