Few people have any concept of what damage can be done to a person's metabolism with the wrong supplements. Few can conceive that even the most common nutrition supplements can be so damaging. In others, it can exacerbate a diabetic keto-acidosis. Vitamin C is promoted as an anti-oxidant, yet few people realize that in some people it acts as an oxidant and actually causes free radical oxidation damage and accelerates the aging process. At a certain dosage it actually antagonizes and destroys the activity of Vitamin E. Vitamin C can destroy the pH control of certain patients, making them much more susceptible to certain physical and mental conditions.
Vitamin C can elevate cholesterol levels in some patients.
Vitamin C depletes the body of important minerals such as calcium and magnesium. Vitamin C can so deplete a person of copper that the blood vessels begin to break down and the heart is weakened. Well, as it turns out, in certain people not only does calcium supplementation not help prevent osteoporosis it actually contributes to it. In some people it will push blood sugar levels too high. In some people it will push blood pressure too high.