In this hindgut fermentation, the material from the cecum is expelled as "cecotropes" and are re-ingested, a practice referred to as cecotrophy
Many people use supplemental B12 to improve energy and physical performance
Bibcode:1980Natur.285...17B
We used a Mendelian randomization design to test whether this relation might be causal
Migraines Although there is no concrete research forging a direct link between migraines and B12 injections, those with migraines can benefit from Vitamin B12 injections since high Vitamin B12 levels can help with high levels of homocysteine, and thus, reduce the intensity of the migraine
Even though it is inexpensive, we do not recommend cyano B12 to anyone because the body must use a methylation reaction to cleave its cyanide molecule, which is a demanding process