In the United States, only about 8.4% of the population is believed to be vitamin C deficient. You'd have to get less than 10 milligrams (mg ... Higher doses are more likely to lead to side effects.
Like any vaccine though, the flu shot can come with potential side effects—which are usually good signs that your immune system is creating the antibodies you need to fight influenza viruses ...
Positive effects of vitamin D may include stronger bones, correct muscle and nerve function, and fewer illnesses caused by bacteria or viruses. Vitamin D is extremely important for your overall ...