This includes vegans and vegetarians, older adults, individuals with atrophic gastritis, pernicious anemia, gastrointestinal disorders, those who have had gastrointestinal surgery and people who take certain medications including, but not limited to, estrogen (HRT), and birth control pills
Hydration timing constraints matter most before drinking, where pre-consumption water slows absorption and lowers peak BAC
Listing could make BPC-157 easier to obtain through US compounding pharmacies, but access is not evidence or FDA approval
in certain instances, however, injections are advantageous e.g.: For severe deficiency For pronounced deficiency symptoms For severe stomach and intestine conditions Oral Supplements In regards to oral supplements, the various forms mainly differ according to their additives: Capsules are the purest and best form of oral B12 supplements Drops/spray are easy to use and good for children and adults who have difficulty swallowing Tablets mostly contain many additives and have no particular advantage Lozenges (sublingual intake) have no advantages over capsules, according to studies but are more convenient to take Curing Vitamin B12 Deficiency How Does Treatment Proceed
MCH is the average mass of hemoglobin in a single red blood cell
Last reviewed: July 9, 2026 Last updated: July 9, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations