Overdose of vitamin D is the most toxic of all vitamins. Supplements that contain two times the RDA for children and ten times the RDA for adults can produce vitamin D toxicity.
Excess vitamin D in the blood causes calcium to be deposited in organs such as the heart, kidney and brain.
Excess vitamin D will also contribute to, not prevent , osteoporosis and hardening of arteries and some studies shown that very high levels of vitamin D (around 80 ng/ml) can actually result in the same prostate cancer risk as vitamin D levels at are too low.
The initial signs of a vitamin D overdose are silent. It starts with an elevated calcium level in urine. And then there is an increase amount of calcium in the blood.
Symptoms of elevated calcium in the blood can include abdominal pain, constipation, muscle weakness, itching, vomiting, and extreme thirst.
However, it can never make too much vitamin D from sun exposure because excess vitamin D is automatically inactivated in the skin by further sun exposure. The Ultra violet B of vitamin D production is a self regulating process.
The synthesis of bioactive vitamin D hormone is tightly regulated and vitamin D toxicity usually occurs only if excessive doses are taken.
Overdose of Vitamin D
The Most Popular Posts
-
Chemical hazard are chemicals that can get into food by improper storage of chemical or chemical containers or by using chemicals improperly... -
Some bacteria enter the intestine live, survive the acidic environment of the stomach, and then produce a harmful toxin inside the human dig... -
A biological hazards is an agent in food with potential to cause human illness. It is the most significant hazards in our food. Biological h...
-
If HACCP is not properly applied, then it may not result in an effective control system. This may be due to improperly trained or untrained...
-
Anything foreign to the food can be considered a physical hazard. Dust, dirt, hair, metal shavings and broken glass, for example, are items ...
