Whey protein is protein extracted from milk, which is a nutritional supplement and a raw material for muscle synthesis.

Muscle-increasing powder is a tonic for rapid weight gain. Combined with carbohydrate, fat and protein in a certain proportion, it can supplement extra calories for some people with less weight or more training to avoid muscle consumption and release.

Glutamine is an amino acid, which is also used to synthesize protein. Its content in muscle is relatively high, and it is reported that it can reach 50%. Therefore, it is better to supplement this effect alone for muscle synthesis.

Creatine is suitable for beginners to increase strength training.

Protein powder is common.

Muscle-building powder is suitable for small weight and rapid weight gain or athletes' weight gain.

Glutamine is more professional.