Significant main effects of treatment group (prior to BenjaminiHochberg correction since none were significant after correction, although the necessity of correction for multiple comparisons in exploratory analyses remains unresolved 49 ) were observed for the unclassified group and ten classified genera, namely, Acetatifactor , Akkermansia , Erysipelatoclostridium , [ Eubacterium ] coprostanoligenes group , Family XIII UCG-001 , Lactobacillus , Parasutterella , Ruminiclostridium 6 , Ruminococcaceae UCG-004 , and Ruminococcaceae UCG-009
(PubMed) Essen A, Santaolalla A, Garmo H, et al
The interesting thing is that our body can store vitamin B12 in the liver for a long time, so it might take a few years before you start to have a shortage of it in your body
The bodys ability to absorb B12 decreases with age and can be affected by certain medications and prescriptions