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Do You Know Nutrition: Too much vitamin D can result in hypocalcaemia

April 12, 2011 at midnight
Updated April 11, 2011 at 11:12 p.m.


By Phylis Canion

There is so much talk about vitamin D deficiency and how important it is, so I started taking extra vitamin D. After a couple of weeks, I starting feeling different and figured out it was the vitamin D. Once I stopped taking it, I began to feel better. Is there any chance that I was taking too much vitamin D?

Vitamin D is a naturally occurring, fat-soluble supplement, formed in the skin when exposed to direct sunlight and is found in certain foods.

One of the jobs of the liver and kidneys is to convert vitamin D from sun exposure and the foods we eat, to an active form known as calcitrol. It is very important for the body to have enough vitamin D, since it helps the body maintain healthy levels of calcium.

Calcium, together with vitamin D, can help heal bone fractures from osteoporosis and decrease the risk of future bone breaks. However, a fact about vitamin D is that it is closer to a hormone than a vitamin.

While overdoses can occur with vitamins, generally they are not harmful. However, because vitamin D is a hormone, and is stored in the fat cells, there can be consequences that can be associated with high intake levels.

Signs and symptoms of intoxication with overdoses of vitamin D include weakness of muscle, vomiting, nausea, anorexia, bone pain, apathy and headache and can occur within two to nine days after ingestion.

Chronic overdose of vitamin D is known as hypocalcaemia and can result in generalized calcification of vessels with calcium salts in high concentration in soft tissues.

Because your dosage amount is unknown and every person's body is different, there is a great range of doses that can result in hypervitaminosis (excessive intake). I would recommend that you contact your health care professional for advice for the proper recommendation of vitamin D for your body.

It is true that coconut oil can help with dementia and Alzheimer's disease?

In a study conducted by Mary Newport, M.D. medical director of the neonatal intensive care unit in a Florida hospital, she found that ketones are important to brain health and that coconut oil has medium chain triglycerides, which the liver converts into ketones.

Newport also found that daily consumption of coconut oil is a potential treatment for Parkinson's disease, Huntington's disease, multiple sclerosis and Lou Gehrig's disease. He had exceptional results when one of her patients began taking four teaspoons daily; two in the morning and two teaspoons in the evening. Her passion for her research was her husband, who had been diagnosed with progressive dementia.

Phylis B. Canion is a doctor of naturopathic medicine and is a certified nutritional consultant, email her at doc.phyl@yahoo.com. This column is for nutritional information only and is not intended to treat, diagnose or cure.

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