• NowFoods Vitamin D-3 5000UI 240 caps
  • NowFoods Vitamin D-3 5000UI 240 caps

NowFoods Vitamin D-3 5000UI 240 caps

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Now Foods Vitamin D-3 is a dietary supplement containing 5000 IU of cholecalciferol in one capsule.

Cholecalciferol - it is an organic chemical compound from the group of vitamin D. It is soluble in fats and has the ability to store in the body. He is best known for his influence on the calcium economy and its positive effect on bones, but in recent years much more health-related properties of vitamin D have been discovered for practically every system in our body. It is synthesized on the skin under the influence of UV-B rays on 7-dehydrocholesterol.

Why use vitamin D3?

Widespread shortages in society

It is estimated that up to 90% of the population may have insufficient level of vitamin D in the blood. It causes that this vitamin gets the infamous name of the most deficient nutrient.

The reason for this may be a small exposure to sunlight from 11-14 hours, which is characterized by the highest UV-B emission. Unfortunately, these hours coincide with the working time of the majority of society, which means that it is not possible to use the healthy properties of the sun.

Economy of calcium and phosphorus

Vitamin D effectively supports the absorption of these minerals in the gut, and then has a positive effect on their use. It also helps to regulate the level of calcium in the blood. The reduction of the level of parathyroid hormone by vitamin D may contribute to the limitation of calcium release from bone stores, allowing for a higher mineral density.

Well-being and mental health

Cholecalciferol is characterized by a strong influence on the mood regulation. There is a connection between low levels of this vitamin in the blood, with an increased risk of depression and disorders associated with well-being. Vitamin D deficiencies are also associated with deterioration of sleep quality, which can be corrected after adjusting the deficiencies. Better sleep means more energy during the day and more efficient functioning of the whole body. Vitamin D has the ability to modulate calcium channels in neurons. It can also control cell death by excitotoxicity. One can be tempted to say that this vitamin protects the nervous system and can help to preserve mental performance for a long time.

Hormonal activity of vitamin D

The view on this vitamin has changed dramatically when specific VDR receptors (vitamin D receptors) have been found in most cells of the human body. This has thrown a new light on its functionality, because it is indicative of hormonal activity.

Effect on testosterone

Supplementation with cholecalciferol contributes to the increase in testosterone levels in men who previously complained about its low level. It may also result in a decrease in SHBG, i.e. globulin binding sex hormones, which increases the concentration of biologically active free testosterone. What's more, the effect of vitamin D supplementation on the slowdown of androgen decline resulting from the aging of the body was observed, which allows you to enjoy vitality for a long time.

Benefits for athletes

The effect on muscle work translates into better control over the body and stronger activation of muscle fibers to work. Regulation of androgen levels and tissue sensitivity to insulin allows maximizing anabolic processes and optimal use of nutrients.

It is also possible to note the beneficial effect on support for fat reduction, among others due to elevated adiponectin. Research confirms the delicate influence on the intensity of fat burning in people who previously suffered from a deficiency of vitamin D.

Now Foods Vitamin D-3 is recommended in cases of a deficiency of vitamin D in the blood. It can also be used to improve general health and as a support for intensively training people.


1 capsule once a day

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