main difference vitamin D from vitamin D3, is that vitamin D3 is only one of the five types of different forms of vitamin D. vitamin D are D1, D2, D3, D4 and D5 .The two major forms of vitamin D - a vitamin D2, also known as ergocalciferol, and vitamin D3, also known as cholecalciferol, and both of these substances belong to vitamin D.
Vitamin D can be obtained from any plant products or products of animal origin, such asmushrooms, eggs, meat and fish.Vitamin D3 can be obtained only through exposure to ultraviolet light or the sun and tanning.When the beam hits the skin, it is reacted with the 7-dehydrocholesterol, which is a precursor of cholesterol, and is converted into vitamin D3.
Both vitamin and D and D3 can be obtained from vitamin supplements.
Vitamin D may also be contained in many foods, such as cereals, dairy products and juices.Vitamin D3, but not enrich foods.Instead, it can be purchased as an additive in the form of liquids or tablets.
Deficiency of vitamin D can result in weak and brittle bones in the elderly who suffer from osteoporosis.
In young children, a deficiency can lead to rickets - a disease of the bones.The reason is that vitamin D helps the body to absorb calcium and balances calcium and phosphorus levels in the body.Both mineral needed for strong bones, but when the phosphorus level rises too high, this leads to bone fragility.Vitamin D and vitamin D3 can help protect the body from cancer, influenza, depression and weak immunity.
overdose of vitamin D and vitamin D3 is not possible if you get it from food or naturally by ultraviolet rays, but an overdose is possible when taking supplements.The recommended daily dose is in the region of 400 international units (II) per day.Overdose symptoms may include dehydration, constipation, vomiting, loss of appetite and fatigue.Long-term side effects of vitamin D may include heart disease and premature aging.
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