For someone with mild fatigue and slightly low blood levels, a conservative approach of one injection every four weeks might be sufficient
Office of Dietary Supplements, US National Institutes of Health
Side effects are uncommon, but include dark spots and light spots, which usually resolve
Information Forms Available: Injections (intramuscular), sublingual tablets, oral tablets, capsules, chewables, gummies Key Ingredients: B1 (Thiamine), B2 (Riboflavin), B3 (Niacin), B5 (Pantothenic Acid), B6 (Pyridoxine), B7 (Biotin), B9 (Folic Acid), B12 (Methylcobalamin or Cyanocobalamin) Prescription Status: B12 injections require Rx in many countries