levels below 200 pg/mL are generally considered deficient [*]
For one, the FDA does not regulate supplements as strictly as other OTC medications, which means you cant be certain about what youre buying
Longevity and antiaging enthusiasts
Orders placed before the daily cut-off are dispatched the same business day, Monday to Friday, with tracked delivery Australia-wide including Sydney, Melbourne, Brisbane, Perth and Adelaide
transfer to -20 C or below on arrival
After ingestion, stomach acid separates B12 from food proteins, and then intrinsic factor produced in the stomach lining binds to B12 so it can be absorbed in the ileum (the final section of the small intestine)