Introduction
There are many products on the market aimed at integrating proteins. This particular type of dietary supplements is tended to be reserved for power athletes such as wrestlers, weight lifters and body builders. In these sports a diet rich in proteins is in fact an essential prerequisite for guaranteeing maximum muscle growth.
In protein supplements the caloric percentage provided by proteins must be dominant with respect to that provided by the other nutrients contained in them. On the market there are protein supplements enriched with vitamin B6 which thanks to its action promotes the metabolization of amino acids.
»Are protein supplements useful?
»Are protein supplements bad for you?
»Protein supplements: which to choose?
»Protein powder
»Egg proteins
»Protein supplements
»Whey protein
»Hydrolyzed proteins
»Cocoa protein
»Protein supplements: how to evaluate their quality
»Analysis of the protein content of 10 protein supplements with the Kjeldahl method
»Whey supplements - Whey protein - Critical analysis of some products
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Are protein supplements useful?
As mentioned in the introductory part, protein supplements are used with the aim of increasing muscle mass. This hypothesis, whatever they say, is scientifically proven so that the daily dose of protein recommended for these athletes is between one and a half grams and two grams for each kg of body weight (against the 1-1.2 g recommended for the normal population).
An athlete of eighty kilograms of normal weight would therefore need about 120-160 grams of protein per day.
A similar amount of protein is essential to cope with the continuous protein turnover and to assist the stimulating action of physical exercise on the synthesis of anabolic hormones (GH, testosterone and IGF-1).
A diet excessively rich in proteins of animal origin is correlated to an increase in the incidence of some cancers such as colon cancer. This relationship is partly due to the cooking and preservation methods used and partly to its saturated fat content (The greater "carcinogenic power" is attributed to the fattest cuts of "red" meat while it is decidedly lower for fish and white meat). Seen from this point of view, an integration of proteins through dietary supplements is particularly healthy since it avoids an excessive use of animal protein sources.
A snack based on fruit and whey protein is therefore healthier than a sandwich prepared with preserved meat (often rich in nitrites and nitrates as well as saturated fats).
- Advantages of protein supplements: convenience of preparation, intake and storage; good digestibility; possibility of increasing the amount of protein in the diet by containing the intake of cholesterol and saturated fats.
- Some authors have shown that taking protein supplements together with carbohydrates in the first two hours after the end of a strength training significantly affects the increase in plasma values of insulin and, subsequently, growth hormone by significantly stimulating muscle protein synthesis.
Yamamoto Nutrition Whey Protein
Yamamoto Nutritional Whey Protein is an ideal supplement for athletes. There are different flavors (chocolate, coffee, vanilla) and the package is available in different sizes (700 gr, 2 kg, 4 kg). These proteins were obtained by cross-flow ultrafiltration and microfiltration, a process that made it possible to obtain a concentrated product that was subsequently enriched with vitamin B6.
Yamamoto Nutrition Ultra Egg Protein
Yamamoto Nutrition Ultra Egg PROTEIN is a food supplement based on protein from egg white. It is a product particularly suitable for athletes, because it promotes the increase of muscle mass and its maintenance. The proteins contained in the product are obtained directly from the egg white; they have a biological value of 100 and a Protein Efficiency Degree greater than 3. The traces of lactose contained in Ultra Egg Protein are negligible.
Myprotein Soy Protein
Myprotein offers a product consisting of isolated soy proteins, that is, they contain the highest percentage of proteins compared to other types of soy powder. These proteins are obtained from GMO-free soybeans, moreover the process used allows to eliminate most of the fats and carbohydrates. Furthermore, the soy proteins proposed by Myprotein do not contain lactose.
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