Strength training and hypertrophy training (or muscle building) they don't necessarily have the same goal or result. Strength training is aimed at strengthening the muscles. On the other hand, building muscle mass is aimed at changing the physiology of muscle cells to make muscles bigger.

Pyruvate

Pyruvate supplements have become popular among bodybuilders because they are believed to reduce body fat, increase energy and improve the ability to exercise endurance. Pyruvate supplies the body with pyruvic acid, a natural compound involved in energy metabolism.

Pyruvate is not an important nutrient. The body can produce everything it needs without additives. This substance is contained in food products only in small quantities, its best source is apples.