Solgar® Vitamin D3 4000 IU is a premium, high strength formula that includes vitamin D3, a form that is easy for the body to use. The benefits of the sunshine vitamin are numerous and well documented, ranging from supporting immunity, to strong bones and healthy teeth. In addition to changing your diet and lifestyle, taking a Vitamin D supplement is a good way to top up your levels especially in winter months. Particularly important when you take into account, over a billion people worldwide have very low levels of Vitamin D. Solgars Vitamin D3 is the highly absorbable form of Vitamin D, Cholecalciferol, which offers maximum absorption delivering 4000 IU per capsule. Vitamin D contributes to: Normal function of the immune system Maintenance of normal bones and teeth Normal absorption of calcium and phosphorus Contributes to normal blood calcium levels Maintenance of normal muscle function Has a role in the process of cell division All Solgar® products meet our industry recognized Gold Standard for excellence. Made using naturally sourced ingredients and innovating since 1947, Solgar® is your perfect supplement to good health 98% of Solgar® consumers recommend the brand.* *Global Praxis online shopper survey 2017, which included 3,882 VMS consumers. Food supplements should not be used instead of a varied balanced diet and a healthy lifestyle. Food supplements should not be used instead of a varied balanced diet and a healthy lifestyle.