(Outlines contraindications for niacin therapy, including active peptic ulcer disease, active liver disease with elevated enzymes, hypersensitivity to niacin, and arterial bleeding, as well as monitoring recommendations for blood pressure, glucose, uric acid, etc., due to niacins systemic effects)
Answer: That depends on the specific compound
One very important point: injectable B12 is primarily a medical treatment for a diagnosed deficiency
The following groups the ones most likely to experience B12 deficiency benefit most from B12 injections: Diabetics Patients who have undergone gastric bypass surgery Older adults Strict vegetarians Learn more about the profound benefits of B12 injections here.
Do I need to have a blood test prior to prove B12 deficiency
"Biosynthesis of the pigments of life: formation of the macrocycle"