Crohns disease, celiac disease, bacterial overgrowth, and other GI conditions that affect this area of the gut can impair B12 absorption
These injections bypass the digestive system and allow the body to absorb vitamin B12 more effectively
How do Golden Naturals' lozenges work for maximum absorption
Comparing B12 Shots and Oral Supplements Benefits of Oral B12 Supplements Oral B12 supplements are widely available and convenient
doi: 10.1016/S0140-6736(08)61525-1 [DOI] [PubMed] [Google Scholar] 2.Axel AMD, Mikkelsen JD, Hansen HH
Vitamin B12 is found in animal produce including meat, fish, milk, cheese and eggs plus fortified foods such as some breakfast cereals and plant milks