Normal vitamin D levels by age, sources, and toxicity - Medical …
2023年12月21日 · Generally adequate vitamin D levels in the blood are 20 ng/ml or above for adults. People aged 1–70 years should aim to get at least 15 mcg or 600 IU of vitamin D per day.
Vitamin D Deficiency: Causes, Symptoms & Treatment
2022年8月2日 · Anyone can have vitamin D deficiency, including infants, children and adults. Vitamin D deficiency may be more common in people with higher skin melanin content (darker skin) and who wear clothing with extensive skin coverage, particularly in Middle Eastern countries.
Vitamin D deficiency in adults: Definition, clinical manifestations ...
2024年7月29日 · Overt vitamin D deficiency, characterized by hypocalcemia and/or hypophosphatemia and rickets and osteomalacia in children and osteomalacia in adults, is now uncommon in most developed countries (see "Epidemiology and etiology of osteomalacia" and "Clinical manifestations, diagnosis, and treatment of osteomalacia in adults").
Vitamin D: What's the "right" level? - Harvard Health
2020年4月16日 · At that time, their experts concluded: "Based on all the evidence, at a minimum, we recommend vitamin D levels of 30 ng/mL, and because of the vagaries of some of the assays, to guarantee sufficiency, we recommend between 40 and 60 ng/mL for both children and adults." But wait, there's more…
Vitamin D - Mayo Clinic
2023年8月10日 · Its anti-inflammatory, antioxidant and neuroprotective properties support immune health, muscle function and brain cell activity. Vitamin D isn't naturally found in many foods, but you can get it from fortified milk, fortified cereal, and …
Vitamin D Deficiency: Causes, Symptoms & Health Risks - WebMD
2024年4月10日 · Vitamin D is essential for healthy bones, & a lack of it can lead to health problems, including cardiovascular disease. Know how to get plenty of vitamin D & treat deficiency.
Vitamin D Deficiency > Fact Sheets - Yale Medicine
Vitamin D deficiency is the state of having inadequate amounts of vitamin D in your body, which may cause health problems like brittle bones and muscle weakness. There may be no symptoms and doctors don’t routinely check vitamin D levels, so …
Vitamin D - Health Professional Fact Sheet - Office of Dietary ...
Vitamin D deficiency is associated with vascular dysfunction, arterial stiffening, left ventricular hypertrophy, and hyperlipidemia . For these reasons, vitamin D has been linked to heart health and risk of CVD. Observational studies support an association between higher serum 25(OH)D levels and a lower risk of CVD incidence and mortality.
Vitamin D - NHS
Vitamin D helps regulate the amount of calcium and phosphate in the body. These nutrients are needed to keep bones, teeth and muscles healthy. A lack of vitamin D can lead to bone deformities such as rickets in children, and bone pain caused by a …
Vitamin D deficiency - Mayo Clinic
2022年10月7日 · Vitamin D deficiency — when the level of vitamin D in your body is too low — can cause your bones to become thin, brittle or misshapen. Vitamin D also appears to play a role in insulin production and immune function — and how this relates to chronic disease prevention and cancer — but this is still being investigated.