If you are in training (possibly for a marathon???) or peri-menopausal you might gain from approximately 30g each day. You can expand your servings of Collagen Peptides throughout the day. If you are in training (maybe for a marathon) or peri-menopausal you might benefit from up to 30g per day. https://emiliomtzel.wikissl.com/1541140/halal_collagen_powder_natural_grass_fed_collagen