Healthy Skin, Hair, and Nails: B12 plays a role in cell production and is important for healthy skin, hair, and nails
We always recommend consulting with your healthcare provider before starting any new treatment, including vitamin injections, to ensure it is safe and tailored to your individual health needs
Vitamin B12 is crucial for the synthesis of neurotransmitters such as serotonin and dopamine, which regulate mood and emotional balance
Other groups who may benefit include: Patients following gastric surgery (gastrectomy, bariatric procedures) where intrinsic factor production or absorption sites are compromised Individuals with malabsorption disorders such as Crohn's disease, coeliac disease, or chronic pancreatitis Strict vegans and vegetarians with dietary insufficiency, though oral supplementation is usually tried first Elderly patients with atrophic gastritis or reduced gastric acid production Patients on long-term metformin or proton pump inhibitors, which can impair B12 absorption Individuals with nitrous oxide exposure (recreational or medical), which can cause functional B12 deficiency Diagnosis typically involves serum B12 measurement, with levels below approximately 148 pmol/L (though thresholds vary between laboratories) generally indicating deficiency
Methylcobalamin is a source of vitamin B12 that is highly absorbable
(4) Smith RL, Soeters MR, Wst RCI, Houtkooper RH