Vitamin D

Vitamin D is required by our bodies to regulate a number of important functions, much like a hormone. Vitamin D supplements usually contain Vitamin D3 (Cholecalciferol). While all mammals can synthesize adequate Vitamin D from sufficient sunlight, taking a D3 supplement may help to prevent Vitamin D deficiency and associated symptoms, especially in Winter or for those working indoors.

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Most of us are aware that we produce vitamin D through exposure to sunlight. Varying factors such as the latitude you live at, the time of day you spend in sunlight, changing seasons, your age, culture and your type of skin pigmentation all have a major influence on how much vitamin D you produce through the skin. Studies show at least 40% of us have insufficient levels of this important vitamin, while 3- 4% are clinically deficient.

Vitamin D is one of the fat soluble vitamins and in its bioactive form (1,25 D) is required by our bodies to regulate a number of important functions, much like a hormone. It is an essential factor in calcium absorption, maintaining normal blood levels of calcium and phosphorus, bone formation and strength, muscle integrity and immune function. It has a significant role in reducing inflammation. Most importantly, 1,25 D controls the development of many serious diseases by its proven role in inhibiting the conversion of healthy tissue to diseased tissue.

Vitamin D Benefits

Vitamin D is well known to improve bone strength and reduce the risk of fractures. Prevention and treatment of colorectal cancer, breast, prostate and skin cancers, diabetes, depression, fibromyalgia, heart disease and flu as well as improving weight loss in overweight people and promoting fertility are all well researched benefits of increasing vitamin D intake to optimum levels.

Vitamin D supplementation is recommended for pregnant women to improve their children’s bone density and health throughout life.

Vitamin D Side Effects and Contraindications

Vitamin D synthesised in the body through exposure to sunlight is self-regulating and non-toxic. Toxicity is only possible from supplemented vitamin D, and there are no published reports that we're aware of of toxicity in amounts under 40,000IU per day.
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