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The other way to get your vitamin D filled is through the sun. ... “It only takes 15 to 20 minutes of direct sun exposure a day to get enough exposure to ultraviolet rays to spur vitamin D ...
Exposure to ultraviolet radiation from the sun is a source of vitamin D. One minimal erythemal dose of sunlight UV radiation provides the equivalent of about 20,000 IU of vitamin D2, taken as an oral supplement.
It’s not an excuse to get more sun exposure. Low vitamin D doesn’t give you a free pass to a day of sun tanning. ... the amount of skin exposed to the sun, the time of day, the season and ...
Sun exposure is important to help maintain healthy vitamin D levels, which is important for immune health and more. Plus, sun exposure is important for the body's circadian rhythm, which in turn ...
Vitamin D deficiency remains the main cause of rickets among young infants in most countries because breast milk is low in vitamin D, and darker skin, social customs, and climatic conditions can contribute to inadequate sun exposure.
Excessive exposure to sunlight poses no risk of vitamin D toxicity through overproduction of vitamin D precursor, cholecalciferol, regulating vitamin D production. During ultraviolet exposure, the concentration of vitamin D precursors produced in the skin reaches an equilibrium, and any further vitamin D that is produced is degraded. [7]
Humans get a lot of their vitamin D from exposure to ultraviolet (UV) light from the sun. "The production of the vitamin D is activated in the skin through contact with UVB rays," says Adamian.
Sunlight contains a small amount of light in the 290-300 nanometer range, which is essential for vitamin D synthesis. This is why 15 to 30 minutes of daily sun exposure is usually recommended. In Northern European countries, especially during winter when sunlight is limited, pregnant women may receive UVB light therapy in clinics to ensure ...