In the united states the recommended daily intake of vitamin d from food or supplements is as follow.
Sunlight vitamin d sources.
In humans the most important compounds in this group are vitamin d 3 also known as cholecalciferol and vitamin d 2 ergocalciferol.
We need vitamin d to help the body absorb calcium and phosphate from our diet.
Children and adults aged 1 70 need approximately 600 iu of vitamin d per day and it can come from a combination of food sources and sunlight.
The major natural source of the vitamin is synthesis of cholecalciferol in the lower.
The challenge lies is balancing skin protection from sun overexposure while reaping vitamin d s.
Regular sun exposure is the most natural way to get enough vitamin d but too much sunlight comes with health risks.
In the midst of summer there s plenty of daily sunlight to boost vitamin d levels in your body.
Vitamin d sources include the sun certain foods and vitamin d supplements.
Vitamin d is a group of fat soluble secosteroids responsible for increasing intestinal absorption of calcium magnesium and phosphate and multiple other biological effects.
Vitamin d is essential for healthy bones.
In the uk we get most of our vitamin d from sunlight exposure from around late march early april to the end of september.