There are several reasons why — the main factors being lack of sun exposure (the body produces vitamin D when exposed to the ...

Vitamin D is crucial for bone health, immune function, and overall wellbeing, especially for adults over 75. Due to reduced sunlight exposure and less efficient vitamin D synthesis with age, older ...

One source of vitamin D is sunlight. Sunlight interacts with our skin to produce it. As winter approaches, the amount of ...

Getting enough vitamin D is key for good health, especially for strong bones and immune systems. But finding ways to get ...

Historically, 400 IU (10 ug) of vitamin D was recommended for better health because it closely approximated the amount of vitamin D in a teaspoonful of cod liver oil. However, 800 to 1,000 IU is ...

This increased risk of deficiency is partly due to lifestyle factors, such as spending less time outdoors and insufficient ...

June 3, 2024 — Healthy adults under the age of 75 are unlikely to benefit from taking more than the daily intake of vitamin D recommended by the Institutes of Medicine (IOM) and do not require ...

The average adult’s recommended daily value (DV) of vitamin D is 20 mcg (800 IU or international units). For reference, one egg and a 3-ounce can of tuna each have above 1 mcg, 3 ounces of sockeye ...

Almost all successful anti-fracture clinical trials have used vitamin D3 at a dosage of at least 800 IU/day (20 mcg per day). Ideally, the vitamin D blood test should be offered from the fall ...

Magnesium and vitamin D are essential to keeping your body healthy. Both vitamin D and magnesium support physical and mental health, help to keep your bones strong, and may play a role in fighting ...