Ribose occurs naturally in all living cells. It is a simple sugar that begins the metabolic process for ATP production. D-Ribose works synergistically with, and enhances the benefits of, creatine supplements. NOW sells creatine in powder, capsule and tablet form.
Optimum Nutrition 2:1:1 Recovery combines carbohydrates with proteins to boost exercise recovery. Carbohydrates restore muscle glycogen burned while exercising and amino acids from protein help support recovery from the breakdown of training.
L-Glutamine, an amino acid found primarily in the skeletal muscles, functions include protein synthesis and proper immune system function. L-Glutamine enhances exercise performance and helps with digestive discomforts.