Additional diagnostic tests like an upper endoscopy or bowel biopsy may also be required
From your brain to how you feel every day to your immune system, B12 is essential for good health
It should be stored in a cool, dry place, preferably refrigerated, to maintain stability and purity
This is, unfortunately, a common occurrence as we age Vegan or vegetarian diet as most B12 foods are from animal sources Excessive alcohol consumption Toxic metal exposure Some Auto-immune conditions Certain genetic polymorphism Some medications like antacids, anti-histamines, and some blood-sugar-lowering drugs
Its dependent on your health background and your levels
But no substantial studies have shown a direct effect of vitamin B12 on human weight loss efforts