A 2023 study found that B12 deficiency is associated with higher body weight and fat mass, according to Healthline
8 mcg/day Children: 0.9 mcg/day (ages 1-3), 1.2 mcg/day (ages 4-8), and 1.8 mcg/day (ages 9-13) Teenagers: 2.4 mcg/day (ages 14-18) Supplementation needs If you are taking a liquid B12 supplement, the dosage might be higher than the RDA due to factors like absorption efficiency and individual health needs
Do you review my medical history and current medications before injecting
A high result means that your body isnt flushing out extra B12 like it should
Elevated serum B12 is usually asymptomatic and discovered incidentally during routine blood tests Common causes include B12 supplementation, liver disease, haematological disorders, and chronic kidney disease Symptoms such as jaundice, unexplained weight loss, or bruising suggest underlying pathology requiring investigation B12 is water-soluble with no established upper safe limit, and excess is naturally excreted by the kidneys Management focuses on identifying and treating underlying causes rather than lowering B12 levels directly Patients with persistent elevation should undergo comprehensive assessment including liver function, renal function, and haematological investigations Table of Contents What Are the Symptoms of High Vitamin B12 Levels