Wiktionary(0.00 / 0 votes)Rate this definition: 1  axiom(Noun) A seemingly self-evident or necessary truth which is based on assumption; a principle or proposition which cannot actually be proven or disu2010proven. 2  axiom(Noun) A fundamental theorem that serves as a basis for deduction of other theorems.
Vitamin D and Constipation-. A Preventable Problem. Constipation is one of these signs of magnesium deficiency and if you are getting constipation from vitamin d, then your body is telling you that you ARE magnesium deficient and that you probably have been for a long long time.
The results of the research were based on a placebo-controlled, double-blind clinical study with smokers and non-smokers, and showed that supplements of 1000 milligrams of vitamin C per day could reduce by up to 45 percent the rate of disappearance of one form of vitamin E in smokers.