Those with a diagnosed deficiency - usually through a symptom checker alongside a simple blood test - will be prescribed and offered regular vitamin B12 intramuscular injections through their GP practice, district nurse, or NHS services
Vitamin B12 supplementation is available in several forms, including oral tablets, sublingual (dissolved under the tongue) preparations, nasal sprays, and intramuscular injections (commonly known as B12 shots)
Because this peptide is appetite-neutral and works by stimulating fat breakdown rather than reducing calorie intake, initial changes are slow and highly dependent on diet and exercise
Boosting your immune system and topping up your levels of B12 to prevent anaemia
Symptoms and Signs of Excess Vitamin B12 True vitamin B12 toxicity is exceptionally rare, and when elevated B12 levels are detected, they are often asymptomatic and discovered incidentally during routine blood tests