Ceasing the use of Gold Collagen Pure may lead to a gradual return of collagen levels to their initial state before treatment. Not suitable for Vegans. Contain Hydrolysed Marine Collagen (Fish) and Soy - these products are not suitable for anyone who has allergies to fish and soy. This products is a 10 days programme, perfect to test the product.For full effect it is recommended to get 3 packs.