You can also opt for a combination B-complex supplement, which gives you a wider range of options and prices and includes other B-vitamins
You may be at risk if you: Are in the elderly age group Follow a vegetarian or vegan diet Have had stomach or intestinal surgery Suffer from digestive issues like celiac disease or Crohns disease Take acid-lowering medications like PPIs or H2 blockers Take metformin for diabetes Are pregnant or breastfeeding Sources of Vitamin B12 B12 is mainly found in animal-based foods : Meat, poultry, fish (especially liver) Eggs and dairy (milk, cheese, curd, paneer) Fortified cereals and plant-based milk (almond or soy milk) Note: B12 is not naturally found in plant foods , so vegetarians need to ensure they get it from dairy or fortified foods
Research suppliers generally report purity by high-performance liquid chromatography (HPLC), with 99% being a common specification for material intended for in vitro work
Injections work faster, while supplements take longer but are more convenient and affordable
30-Day Returns Unopened, unused items may be returned within 30 days of purchase for a refund