FLASH
Shkruar nga Pamfleti
Vitamin D is one of the most important vitamins for bone health, the immune system, and overall body function. Unlike water-soluble vitamins, it is stored in fat tissue, meaning it can remain in the body for weeks or even months after the last dose.
Its most effective form is vitamin D3 (cholecalciferol), which maintains vitamin D levels in the blood better and stays in the body longer than vitamin D2 (ergocalciferol).
Even a single dose of vitamin D can build up stores that last for several weeks. However, maintaining optimal levels requires continued intake through sun exposure, vitamin D-rich foods, or supplements.
In people suffering from vitamin D deficiency, it usually takes 4 to 6 weeks for levels to begin to normalize, while in more severe cases the process can take up to 12 weeks.
If vitamin D intake is stopped and the body does not get it from the sun or food, reserves begin to decrease after a few weeks. The duration depends on the initial level of the vitamin, the reserves created in the body, metabolism, body fat percentage and exposure to sunlight.
Once absorbed from food or supplements, vitamin D is not used immediately. It is first processed in the liver and then in the kidneys, where it is converted into the active form that the body can use.
Experts point out that vitamin D's ability to be stored is an advantage, as it ensures a supply even during periods when its intake is lower. However, this also means that using high doses of supplements over a long period of time can lead to accumulation and toxicity.
Among the factors that affect the absorption and storage of vitamin D are liver and kidney diseases, disorders that prevent the absorption of fats, such as Crohn's disease and ulcerative colitis, the use of certain medications, as well as the amount of vitamin consumed.
Although vitamin D toxicity is rare, it can occur after taking high doses over a long period of time. Too much of it raises blood calcium levels and can cause loss of appetite, nausea, vomiting, weakness, confusion, and kidney problems, including the formation of stones.
Doctors advise that vitamin D supplements be taken only as recommended by a specialist and that its blood levels be checked periodically to avoid both deficiency and excess.
Lini një Përgjigje