How does vitamin D affect gene expression?

Apr 25, 2017 ... However, 1,000 to 2,000 IU per day of vitamin D from a supplement is generally safe, should help people achieve an adequate blood level of ... Too much: There is no tolerable upper limit (UL) for vitamin B12. It's generally safe to take higher doses; the body absorbs only what it needs and then passes ... It is important to still stay safe in the sun as too much sun exposure can cause skin cancer and sunburn. Vitamin D can also be found in certain foods such ... Apr 22, 2024 ... Most cases of vitamin D toxicity happen when someone overuses vitamin D supplements. You cannot get too much vitamin D from sun exposure ... There is a risk of children becoming toxic from too much vitamin D. The new guidelines say that the maximum safe amount of vitamin D intake for infants is ... Talk with your health care professional about how much vitamin D you should take. If you lose all your healthy parathyroid tissue and develop lasting low- ... If you are taking folic acid supplements, it is important not to take too much because this could be harmful. ... What happens if I take too much vitamin B12? Mar 15, 2018 ... How much should you get, and when should you worry about your levels? ... The more vitamin D you take, the better? Absolutely not. —Thomas ... These are some of the best foods to eat when you need to get more vitamin D. ... Older women who take calcium supplements need to be careful not to take too much. Jan 25, 2025 ... However, too much vitamin D can negatively affect bone health. Although many symptoms of excessive vitamin D are believed to be due to high ...