Supports bone ossification
Helps maintain healthy serum calcium levels
Helps maintain healthy serum phosphorus levels
Provides vegetarian vitamin D3
Helps maintain healthy vitamin D levels
D Complex is a 100% vegetarian Food supplement that is intended to supply 100% Food vitamin D. Vitamin D helps with the absorption of food calcium and even has hormone-like functions within the human body. Vitamin D helps maintain serum calcium and phosphorus concentrations in a range that supports cellular processes, neurological function, and bone ossification. Studies have shown that FOOD vitamin D is at least 10 times as effective to prevent rickets than a USP form.
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100% Food D Complex is a natural, vegetarian, Food complex source of vitamin D. Nearly all other vitamin D sources are synthetic or animal source.
“The principal physiological function of vitamin D in all vertebrates, including humans, is to maintain serum calcium and phosphorus concentrations in a range that supports cellular processes, neurological function, and bone ossification. Vitamin D accomplishes this goal by enhancing the efficiency of the small intestine to absorb dietary calcium and phosphorus and by mobilizing calcium stores from the bone” .
Clinically, food vitamin D has been used for problems including:
* Hyperirritability (insomnia, restlessness, tachycardia, cramps)
* Tetany (muscle spasms)
* Bone disorders (osteoporosis)
* Lung conditions (bronchitis)
* Lowered resistance (worse in winter due to lack of sunshine)
* Indoor living (avoidance of exposure to sunshine)
* Epistaxis (nosebleeds)
* Delayed healing (bed sores, ulcers, etc.) .
“The synthetic forms of vitamin D have been found to be toxic” . Food vitamin D has been reported to raise blood calcium levels, promote the absorption of calcium, and cooperates with essential fatty acids (consider Omega 3/ EPA/ DHA) in calcium metabolism .
Vitamin D is the sunshine vitamin, meaning that people who get sufficient sun exposure and have no problems converting cholesterol into vitamin D will normally have sufficient vitamin D . However, because of Western lifestyles, many people simply are deficient in vitamin D.
The PDR claims, “Very few foods are natural sources of vitamin D...Vitamin D3 is derived from animal sources” . That is almost true. There are very few foods that naturally contain vitamin D, but one vegetarian food does.
Other than sunshine, there is really is one vegetarian source of vitamin D3 and that is from nutritional yeast. Any product that says that it is yeast-free is either ignoring the fact that vitamin D is derived from specially-grown yeast or is not truly vegetarian.
Because, outside of yeast sources, most vitamin D in supplements comes from a process of irradiating animal fat (normally from either pigs or sheep), although for some supplements, fish oils are sometimes used.
And while D Complex contains vitamin D in the same bio-chemical form that it is found in fish oils , it is 100% vegetarian and not a fish oil derivative. D Complex contains vitamin D as cholecalciferol (D3).
Forms of USP Vitamin D
The first USP form of vitamin D, vitamin D1 did not even have the ability to prevent rickets . And even though they put it in milk to prevent rickets it took decades for the mainstream to realize that it did not have antirachitic activity.
“At the time of its identification, it was assumed that the vitamin D made in the skin during exposure to sunlight was vitamin D2”, but it was later learned that human skin produced something called vitamin D3 . It was first believed by mainstream researchers that provitamin D3 was directly converted to vitamin D3, but that was incorrect. The skin actually contains a substance commonly called provitamin D3; after exposure to sunlight previtamin D3 is produced and it begins to isomerize into vitamin D2 in a process which is temperature dependent, with isomerized vitamin D3 being jettisoned from the plasma membrane into extracellular space--exposure to sunlight is the main way that humans naturally receive vitamin D. Synthetic vitamin D2 was used to fortify milk in the US and Canada for about forty years until it was learned that D3 was the substance which had better antirachitic activity, so D3 has usually been used for the past twenty years .
Synthetic, USP Vitamin, D1 is made by irradiating fungal sterol ergosterol and processing it with benzene [1,4]. Vitamin D2 is made by bombing ergosterol with electrons  and is “recovered by solvent extraction” . Vitamin D3 and Vitamin D4 are both often made through irradiating animal fat [3,4,6] or through irradiating “the spinal cords and brains of cattle” . USP forms of vitamin D are always isolates, even though vitamin D is not really an isolate .
Not only is D Complex not an isolate, D Complex is strictly vegetarian andhas over 10 times the antirachitic effects of some forms of USP vitamin D .
In addition to specially-grown and harvested nutritional yeast, D Complex contains alfalfa which is one of the best plant sources of calcium and trace minerals , “The calcium is used as a carrier for the vitamin D” . “In humans, alfalfa has shown the ability to lower serum cholesterol” .
Guar gum seed is extracted from locust beans. It improves “tolerance to glucose by decreasing absorption”  and has a demonstrated lipid lowering effect .
Rice bran is a natural source of potassium, phosphorus, silicon, magnesium and other substances [11-12] helpful in bone support.
D Complex is a truly vegetarian Food source of vitamin D.