Based upon the trials of vitamin D supplementation [4-7] and National Academy of Medicine (NAM), formerly called the Institute of Medicine (IOM), systematic review [8], we favor maintaining the serum 25 (OH)D concentration between 20 and 40 ng/mL (50 to 100 nmol/L).

Vitamin D (also referred to as calciferol) is a fat-soluble vitamin that is naturally present in a few foods, added to others, and available as a dietary supplement. It is also produced endogenously when ultraviolet (UV) rays from sunlight strike the skin and trigger vitamin D synthesis.

2023年8月10日 · Vitamin D supplements are used to treat adults with severe vitamin D deficiency, resulting in loss of bone mineral content, bone pain, muscle weakness and soft bones (osteomalacia).

Nowadays, in modern societies, many people can be at high risk to have low vitamin D levels. Therefore, testing of serum 25-hydroxy-vitamin D (25OH-D) levels should be performed before prescribing them vitamin D supplementation.

Vitamin D deficiency is a common vitamin deficiency that causes issues with your bones and muscles. It most commonly affects people over the age of 65 and people who have darker skin. It’s preventable and treatable.

Vitamin D supplements are commonly used to treat and prevent vitamin D deficiency. People who don't get enough sun and people who are 65 years or older are at risk for deficiency.

2024年10月25日 · Vitamin D, formally known as calciferol, is a fat-soluble nutrient that has two main responsibilities: helping calcium reach your bones (which keeps them strong) and supporting your immune system so it can fight off infections. But an estimated 35% of adults have a vitamin D deficiency, and around the world, that number is much higher. Why?

Vitamin D is found in multivitamin/multimineral supplements. It is also available in dietary supplements containing only vitamin D or vitamin D combined with a few other nutrients. The two forms of vitamin D in supplements are D2 (ergocalciferol) and D3 (cholecalciferol).

2013年5月20日 · Vitamin D is a fat-soluble vitamin in a family of compounds that includes vitamins D1, D2, and D3. Your body produces vitamin D naturally when it’s directly exposed to sunlight. You can...

This is achievable through daily supplementation with 2000 IU/day (50 mcg/day) of vitamin D 3, which prevent diseases and deaths. Furthermore, a daily dose between 4000 and 6000 IU of vitamin D 3 to achieve serum 25 (OH)D levels between 40 and 70 ng/mL would provide greater protection against many adverse health outcomes.