This is the common, diagnosed cause of B12 deficiency in the UK
According to the American Cancer Society (ACS), it can have a Chemotherapy injections may cause typical injection site reaction symptoms, including: skin discoloration swelling itching tenderness warmth However, chemotherapy drugs sometimes cause a symptom known as extravasation, which is when the medication leaks from the vein and into the surrounding tissue
Not everyone realizes absorption rates can vary a lot from person to person
Tirzepatide produced 33.9% fat mass loss in SURMOUNT-1
Vitamin B12 is vital for: DNA synthesis and cellular replication Proper nerve function and myelin sheath formation Brain health and cognitive clarity Mood regulation Energy metabolism Because the body cannot produce Vitamin B12 on its own, it must be obtained from diet or supplementation
This means researchers cannot reliably define all possible adverse effects, contraindications, interactions, or delayed immune responses