bpc 157 pills do they work 157: is this a supplement I should be taking to improve my healing? America Is About to Go

Vitamin B12 deficiency has been linked to fatigue, tingling or loss of feeling in the extremities, irritability, memory impairment, depression, anemia, irritable bowel syndrome (IBS), constipation, poor wound healing, dry or damaged looking skin, and neurological disorders

B12 injections start to work fast, usually making a difference in how you feel within 48 to 72 hours

Medically reviewed by Dr Clair Grainger Last reviewed: 29 Jun 2026 With Superdrug Online Doctor you can message our Doctors for FREE via your patient account

Routine labs may look normal even when local gut, skin, or connective-tissue symptoms remain

These patients who do not fit the criteria but who remain undiagnosed B12 deficient patients become very expensive for the NHS to look after

When administered by an experienced and medically trained practitioner the procedure is very safe with complications being extremely rare