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Vitamin D3, is similar to variations in the vitamin D family in that it is a steroid hormone, naturally produced within the body. Not many foods contain vitamin D3, but it's readily available through the absorption of the sun's rays into our skin.
Vitamin D3 is crucial for a healthy functioning body. It regulates the phosphorus and calcium in the blood, it also assists in the absorption of these minerals from food within the intestines. Vitamin D3 also controls the re-absorption of calcium for good kidney function.
UV rays from sunshine create vitamin D production in your body, it is recommended to get ten to fifteen minutes of direct exposure of sunlight two or three times a week to the arms, face, back, or hands.
Food Sources:
Vitamin D3 deficiency can lead to serious complications if left untreated, as it can develop into chronic diseases, conditions, and disorders.
Several Research point to a link with vitamin D3 deficiency and the development of:
Other symptoms of vitamin D3 deficiency include muscle cramps, bone pain, weakness and tingling.
25-hydroxyvitamin D test is used to determine if bone malformation, bone weakness, or abnormal metabolism of calcium is happening because of a vitamin D3 imbalance.
Vitamin D3 is absorbed from intestine in a similar fashion to fat, and can often be used to monitor people with certain diseases that disturb fat absorption. People diagnosed with Crohn's disease, cystic fibrosis and those who have undergone gastric bypass surgery cannot always absorb sufficient Vitamin D3. This vitamin is often used to gauge the effectiveness of a treatment when vitamin D3, calcium, and magnesium supplements are given.
If your vitamin D3 deficiency is diagnosed at an early stage it can often be successfully treated with a good chance of full recovery. Vitamin D3 deficiency is normally treated with supplements and other food sources known to be Vitamin D3 rich.
Clinical trials show that 100 micrograms (4000 iu.) may be safely given and could be necessary for people of more advanced years. Collectively, the absence of toxicity in trials conducted in healthy adults that used 10,000 IU vitamin D3 supports the confident selection of this value as the UL.
"If there is published evidence of toxicity in adults from an intake of 250 ug (10,000 IU) per day, and that is verified by the 25(OH)D concentration, I have yet to find it."
Just like most other forms of medication, Vitamin D3 is toxic if taken to extremes and can even be used as rat poison. It can even kill some dogs using 3,520,000 IU/kg. This is the equivalent of a fully grown man digesting 250,000,000 IU in capsule form.
For adults, the 5-microg (200 IU) vitamin D recommended dietary allowance may prevent osteomalacia in the absence of sunlight, but more is needed to help prevent osteoporosis and secondary hyperparathyroidism. Other benefits of vitamin D supplementation are implicated epidemiologically: prevention of some cancers, osteoarthritis progression, multiple sclerosis, and hypertension.
There is documentation of human toxicity above 40000 IU), so this high dosage should be avoided but there have been no known adverse reactions at 2000 IU and it is suggested this safe limit should be increased to a minimum of 10,000 IU.
There has been much confusion in the clinical trials regarding toxicity as ergocalciferol, the other Vitamin D was used to suggest lack of safety but there is no evidence to suggests that Vitamin D3/10,000 IU is unsafe.
Vitamin D3 may well be considered toxic if it is hugely abused but that would be the same for everything including water which is considered toxic at 4 times the daily recommended limit.
Water, taken in moderation, cannot hurt anybody. - Mark Twain
The only human toxicity of vitamin D3 documented was connected to Prolongevity, offered as an over the counter supplement. It appeared to be a manufacturing incident and capsules the man had been taking 150,000–2,000,000 IU, per day, for 2 years. On diagnosis, he was treated with steroids and sunscreen, and made a full recovery.
It is important to take the Vitamin D3 supplement form and clinical trials support the minimum of 10,000iu per day for fully grown adults.
There is growing evidence to suggest Vitamin D3 can be use in prevention and/or treatment for the following health issues: Multiple sclerosis, Atherosclerosis, Heart Disease, Hypertension, cancer, Kidney disease, Liver disease, Muscle Weakness, Chronic Pain, Osteoporosis, Mental Illness, Osteoarthritis, Periodontal disease, Preeclampsia, Psoriasis, Tinnitus, Depression, Epilepsy, Diabetes, Obesity, Ulcerative colitis, Inflammatory bowel disease, as well as a host of other chronic illnesses.
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