b12 injections vs b12 pills Shots at Home: How, Where & How Often to Inject Yourself Ask the doctor: B12 shots

Theres evidence linking B12 deficiency to premature greying, and some case reports document grey hair returning to its original colour after B12 supplementation

Aseptic technique is key

A 0.60 mL draw may be unusually large for one subcutaneous site

Semaglutide an incretin receptor agonist acting through central appetite circuits, contrasted against a peripheral enzyme-inhibition mechanism

It is light sensitive, so store it in a dark place

People with Absorption Issues Several conditions can impair B12 absorption: Pernicious anaemia An autoimmune condition thats the most common cause of severe B12 deficiency in the UK Crohns disease or coeliac disease Previous gastric surgery Including gastric bypass Chronic use of certain medications Including proton pump inhibitors (PPIs), metformin, and some anti-seizure medications Others at Risk Pregnant and breastfeeding women (who have increased B12 requirements) Heavy alcohol consumers Those with chronic inflammation affecting gut health People taking certain oral contraceptives B12 Deficiency in the UK: How Common Is It