A pioneer in dietary and nutritional supplements for over 30 years. SuperSmart Vitamin D3 5000 IU is a high potency and highly bioavailable vitamin D3 supplement. Our products and formulas are constantly updated to reflect the latest scientific research, advances, and production methods. We offer an outstanding quality and choice of Gluten Free, Non-GMO, Additive Free, Soy Free, Nano Particles Free and Vegan Friendly products. Supersmart offers top and pharmaceutical quality products since 1992 in form of softgels, powder, capsules, tablets, and enteric coated pills. More than 400 Supersmart products are made in GMP (Good Manufacturing Practices) & HACCP (Hazard Analysis & Critical Control Points) certified facilities. Our facilities are located in the EU and in the USA for products from all around the world. Our guiding principles have remained the same for the past 30 years, we prioritize quality, safety, efficacy, and scientific validation.