The active ingredient in our products is Fortetropin®. Fortetropin is an all-natural advanced nutrition product made from fertilized chicken egg yolks and produced using a patented process technology which preserves its biological integrity and bioactivity. Our process technology yields a nutrient-dense product that has been shown to increase lean muscle mass, muscle size, and strength; and to prevent atrophy of disuse in rigorous scientific and human clinical trials.