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It is common knowledge that vitamin D is naturally synthesised by the human organism under the influence of sun rays. That is where its common name comes from – “the sunny vitamin”. Unfortunately, the climate of northern Europe is not beneficial for the synthesis for most of the year, which leads to serious deficiencies in the inhabitants of those regions. Therefore, it is necessary to supplement vitamin D, especially in autumn and winter. Additionally, seniors and obese people should supplement the vitamin throughout the year.
The large amount of vitamin D in the supplement means that for most people, one capsule taken with a meal is enough. In people particularly prone to its deficiency, the dosage can be increased to two capsules.
Vitamin D belongs to fat soluble vitamins, occurs in three forms: calciferol (vitamin D1) ergocalciferol (vitamin D2) and cholecalciferol (vitamin D3), it is formed under the action of sunlight for at least 15 minutes per day. In the absence of sunlight it should be administered in the diet in the form of fish oil (Vitamin A + D3) and fish oils. It is responsible for the absorption of calcium and phosphorus. It is the building substance of bone tissue particularly necessary during pregnancy, childhood, and for athletes. It is a component of dietary supplements and nutrients among competetive athletes. Deficiency of vitamin D causes children growth inhibition, and rickets.
For adults - deficiency causes osteomalacia.
Excess of vitamin D causes headaches, alopecia, nausea, drowsiness, blurred vision, pain in the long bones, the deposition of calcium deposits.
Dosage: 400 IU units during the day.