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
One thing to be aware of: stopping semaglutide can affect your fertility in an unexpected way
Why Age Affects B12 Absorption As we get older, our bodies naturally go through changes, and one of those changes can affect how we process nutrients
Mechanism 3 Direct Fat Cell Targeting (Lipolytic Pathway) Some peptides bypass appetite and hormonal pathways entirely and act directly on fat cells
