Vitamin D3, commonly known as vitamin D or "sunshine vitamin" is a fat-soluble compound directly involved in the functioning of the immune system, bones and muscles. Its main source of production is the sun: through contact with light, our skin can synthesize almost 80% of our daily needs. Limited exposure to sunlight, age (as we get older we lose the ability to synthesize it1), or that our kidneys cannot transform it into its active form in the body; It causes Vitamin D deficiencies and negatively affects our health. A healthy and safe alternative to reach the minimum recommended daily dose for the proper functioning of our body [600 IU (15 µg) in adults from 19 to 70 years old], are vitamin supplements. Vitamin D3 4000, from Vitobest®, contains 4000 IU (100 µg) of vitamin D3 per capsule and contributes to the normal functioning of muscles and the immune system, and to the cell division process. In addition, it helps to ensure good intestinal absorption of calcium and phosphorus (two essential and necessary elements for the formation and functionality of the body's bone tissue), to maintain normal levels of calcium in the blood, and to reduce the risk of falls related to instability. posture and muscle weakness. Without gluten. Vitobest® uses for this supplement vegetable capsules (VegeCaps) suitable for vegan diets and free of titanium dioxide. How to Use: Take 1 VegeCaps a day.