Pure Encapsulations is a pharmaceutical grade brand that has extremely tight quality control and manufacturing guidelines. Each product undergoes rigorous testing by a third party laboratory to verify label claims, potency and purity. All the products sold by Pure Encapsulations are free of gluten, dairy, soy and other additives that may impair absorption or cause GI upset. These high quality nutraceuticals are available only through healthcare professionals and through the shop below. Hashimoto's, hypothyroidism, Celiac, and autoimmune friendly!