Nancy Samolitis, MD, founder of Facile skin care and board-certified dermatologist practicing in Los Angeles, told Glossy
You should contact your GP or NHS 111 if you experience: Persistent diarrhoea lasting more than 7 days in otherwise healthy adults Blood or mucus in stools , which may indicate inflammatory bowel disease or infection Severe abdominal pain or cramping that is worsening or different from previous digestive symptoms Unexplained weight loss alongside bowel changes Signs of allergic reaction , including rash, itching, swelling, or difficulty breathing (call 999 or go to A&E for severe reactions) Neurological symptoms such as numbness, tingling, balance problems, or memory difficulties, which may indicate B12 deficiency is not being adequately treated Seek help sooner if you have red flag symptoms, are pregnant, immunosuppressed, elderly, or have significant underlying health conditions
Avoid consuming it with alcohol
Improve Heart Health B12 injections can play a key role in heart health by lowering homocysteine levels in the blood, a known risk factor for heart disease
Choose an Injection Site Recommended sites: abdomen (at least 2 inches from the navel), front of thighs, or upper outer arm
At that point, your provider can give you a better idea of the ideal therapy schedule for you
