The science of B12 Clinically essential and widely studied: Vitamin B12 plays a vital role in red blood cell formation, neurological function, and mitochondrial energy production
Vitamin B12 foods Here are some good sources of vitamin B12 from food and drinks: Fish and shellfish Lean red meat and chicken Cheese and milk Eggs Yogurt Fortified cereals Fortified nutritional yeast Fortified vegan milk substitutes Some specific examples of foods rich in vitamin B12 are beef liver, clams, and oysters (cooked)
Safety, Side Effects, and Storage B12 injections are usually safe, but they can have side effects and safety concerns
Some people might experience side effects
Rotate sites between injections to avoid lipohypertrophy
Chronic conditions may show slower progression