The benefits of Vitamin D3 run from supporting healthy bones to aiding the immune system. Vitamin D3 assists the body with calcium absorption. if calcium is not absorbed properly, bodily systems in need will take it from the bones. Vitamin D3 also supports the immune system.

Vitamin D3 also strengthens breast, colon and pancreas health One of the primary natural sources of Vitamin D is the sun, so supplementation can be essential during winter, in northern climates, and during summer if you use sunscreen. Vitamin D absorption declines with age.

Vitamin D is a fat-soluble nutrient required the absorption and utilisation of calcium and phosphorus. Two forms are available from foods - ergocalciferol (D2) and cholecalciferol (D3). Vitamin D is necessary for growth, development and maintenance of bones and teeth in children and adults. In its most active form, vitamin D works with calcium to control bone formation. Vitamin D can be obtained from two sources - the spontaneous formation in the skin by the sun via a phytochemical reaction in the epidermis, and the eating of a food containing vitamin D. A severe deficiency of vitamin D results in rickets in children and osteomalacia in adults, which are both skeletal diseases that weaken the bones.

Good food sources of vitamin D include cold-water fish, butter, egg yolks, fortified milk and cod liver oil. Solgar offers four different vitamin D supplement products dosages: 400iu (10mcg) 600iu (15mcg), and 1000iu (25mcg) in capsules or tablets form depending on your need or suspected vitamin D deficiency.