A twice daily
dietary supplement for 13 weeks containing whey
protein, leucine, and vitamin D (20 g whey
protein, 3 g total leucine, and 800 IU vitamin D) was given to older (~ 78 years)
primarily independent - living sarcopenic adults and resulted in improved chair — stand test time and showed a greater gain in skeletal muscle mass than the control group (and these results were repeated in other studies).
Dietary acid load is determined by the balance of acid - inducing food,
primarily animal
proteins (such as meats, eggs, and cheeses), offset by alkaline foods, such as fruits and vegetables.