Vitamin D2 or D3?
The supplemental forms of vitamin D are either D2 or D3. When no number is appended, the supplement is one of these two forms. Collectively, the two forms are known as calciferol.
D3 is the preferred form of the vitamin. Also known as cholecalciferol, vitamin D3 was found to be 87% more effective than D2 (ergocalciferol) for raising and maintaining levels of calcium in the blood.
The information about the effects of vitamin D applies to both D2 and D3.
The Sunshine Vitamin
Vitamin D (both in the form of D2 and D3) is not an essential dietary vitamin because it can be manufactured by humans and all mammals from exposure to the sun's ultraviolet radiation.
However, sun exposure is not always adequate for to create enough vitamin D, especially for people who live in northern climates. Furthermore, concern about cancers caused by ultraviolet (UV) rays has led to the increased use of sunscreens among the general population. Without enough UV rays hitting the skin, vitamin D production is limited.
Incidentally, when milk is exposed to UV, it also synthesizes vitamin D. This is how commercial dairy operations add vitamin D to milk.
Got Milk – and Vitamin D?
Because vitamin D acts as a helping agent for calcium, the most serious consequences of vitamin D deficiency revolve around calcium-related conditions, particularly bone strength.
But it's not just about calcium absorption and bone health. Since 2002, doctors have been testing more aggressively for vitamin D deficiency. That's because a lack of adequate levels of this hormone has been linked to numerous health problems.
The Institute of Medicine (IOM) and other facets of the medical community recommend supplementing with vitamin D3 as a potential preventive for the following conditions:
- osteoporosis and bone fractures among the elderly
- cardiovascular disease
- lowered immunity, particularly during flu season
Although vitamin D supplementation is not considered a preventive measure for the following conditions, low levels of the hormone have been associated with:
- certain cancers, including breast and prostate, and worse outcomes in other cancers
- higher levels of mortality among elderly women
- multiple sclerosis
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Unless you get ample amounts of sunlight and do not use sunscreen, it would be wise to consider supplementing with vitamin D, particularly in the form of D3. Count on BioTech's experience and exacting standards to supply D3-5, their high-quality vitamin D3 supplement.
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