How is beta-carotene converted to retinol in the body?

Aug 16, 2021 ... Analysis of a landmark vitamin C study confirms: You need at least 100 milligrams of vitamin C a day to stay healthy. Mar 10, 2025 ... Vitamin A is a fat-soluble vitamin that is naturally present in many foods. Vitamin A is important for normal vision, the immune system, reproduction, and ... Jun 28, 2022 ... Study Finds Low Vitamin D Levels in Young People of Color ... A study reveals that Black and Hispanic adolescents have a high prevalence of ... The article reported that although serum 25(OH)D values of more than 50 ng/mL increased over the 10-year study period, vitamin D toxicity and hypercalcemia were ... Jan 18, 2024 ... The results from this latest report confirm consistent and statistically significant benefits of a daily multivitamin versus placebo for both memory and global ... Researchers are working hard to fully understand the link between vitamin D and MS. And to test if vitamin D could be a treatment for MS. Dec 13, 2018 ... A broad literature search of PubMed and Google Scholar was performed in July 2018 to compile published articles that study the relationship ... In a small study of 40 high-functioning elderly women, severe vitamin D deficiency (<25 nmol/L) was associated with a higher risk of non-AD dementias but ... May 11, 2016 ... ... vitamin supplements. The preliminary findings will be presented May 13 at the 2016 International Meeting for Autism Research in Baltimore. The VMNIS has four main components: 1) The Micronutrients database; 2) Summaries of biochemical indicators for assessing the prevalence of various vitamin and ...