Established 1971. Non-fish liver source. Maintains healthy bones and teeth. Promotes immune health. From sustainable source. Our pledge of integrity. Authenticity. Cleanliness. Freshness consistency. Accuracy. Vitamin D aids in the absorption of calcium, helping to burn and maintain healthy bones and teeth, as well as promote immune health. Country life vitamin D3 1000 IU. Comes from lanolin, a sustainable and safe source, in a base of medium chain triglycerides (MCTs). Available in 1000 I.U., 2500 I.U., and 5000 I.U. strengths. Yes manufacturing supports wind power. This product does not contain common GE genes or proteins. 100% Bovine gelatin, BSE-free. Certified B Corporation.