Vitamin D is only found naturally in significant levels in only a few foods, including fatty fish, cod-liver oil, and eggs.
Pre-Vitamin Day's, the only non-dietary Source of Vitamin D was Sunlight. Nowadays we have several forms of supplements - CBC Radio's Quirks and Quarks weekly [for over the past thirty five Years] radio-Hour had a fabulous Segment espousing It's Benefits.
No they do not. Land plants do not contain ergosterol; the precursor to vitamin D production. Vitamin D is synthesized in the skin of mammals through exposure of the skin to sunlight. Vitamin D can also be ingested in suppliment form or from foods including yeasts and from mushrooms.
Yes, Sunlight is an important source of vitamin D. But it is not the only one.
Vitamin D is a class of prohormones that is used by animals to make steroidal hormones. Plants do not need these compounds.
Gorillas primarily get vitamin D through their diet, consuming plants rich in vitamin D or by eating insects, which can be a source of vitamin D. They can also absorb vitamin D through exposure to the sun when they spend time in sunlight.
The animal version of vitamin D is known as vitamin D3, or cholecalciferol. It is synthesized in the skin of animals when exposed to sunlight and can also be obtained from dietary sources such as fatty fish and egg yolks.
The primary source of cholesterol is triglycerides. The primary form of cholesterol is found in animal fats, prepackaged foods, and processed foods. The body does need a healthy amount of cholesterol to function in making vitamin D and other hormones.
Sunlight is a rich source of Vitamin D, which plays a key role in calcium absorption and bone health. Exposure to sunlight triggers the body to produce Vitamin D in the skin. It is important to get a balance of sunlight exposure and dietary sources of Vitamin D for overall health.
The sun is a great source of vitamin D, and information on the sun in relation with vitamin D can be found on The Office of Dietary Supplements. Also, the Science Channel provides general factual information about the sun.
One source of vitamin D is milk. Milk has both Vitamin A and Vitamin D added to it to make Our bones and teeth strong and healthy.
kidney
Vitamin D
No they do not. Land plants do not contain ergosterol; the precursor to vitamin D production. Vitamin D is synthesized in the skin of mammals through exposure of the skin to sunlight. Vitamin D can also be ingested in suppliment form or from foods including yeasts and from mushrooms.
The sun
Sunlight
There is no known good natural source of vitamin D other than exposure to sunlight. If needed, there are always Vitamin D supplements, however these aren't as efficiently absorbed compared to the natural source.
vitamin D and vitamin B12
No, vitamin D is a vitamin. Minerals are a separate nutrient category. However, vitamin D does aid in calcium absorption, and calcium is a mineral.