why do b12 injections hurt What happens if you inject wrong? Aimee Cooper on Reels

& Takagi, T

Vitamin B12 (cobalamin) is an essential water-soluble vitamin that plays a critical role in: Red blood cell formation Nervous system function DNA production Converting food into usable energy B12 is found naturally in animal-based foods and some fortified products

Rain Hoffmann is the founder of Your Skin Prescription, a modern med spa in Sewickley, PA

In cosmetic formulations, they are valued for supporting the appearance of healthier-looking skin and hair

Some more severe, but rare, side effects that can occur are low potassium levels, muscle cramps, irregular heartbeat, chest pains, or blurred vision