The production of free radicals also increases during illness, which can result in complications
Fatal hypokalemia may occur when severe megaloblastic anemia is treated intensively with vitamin B12, as a result of increased erythrocyte potassium requirements
Their true frequency and cause are unknown, and long-term risks, drug interactions, and safe-use groups have not been established
For others, especially those needing nerve or anemia support, improvements might take weeks or months with consistent injections
Animal studies show that the metabolites can be toxic to neurons at levels that are much lower than those required for liver damage.[ref][ref] I cant help but think that the times when you give an infant acetaminophen circumcision, shots, and illnesses are also the times when the antioxidant system is already taxed, bringing about two hits to their young detox system