The “cyanocobalamin” version of B12 is created from cyanide which over time can have harmful results, this way of B12 just isn't perfect and for anyone with MTHFR gene mutations, it could as a rule be tougher for his or her overall body to utilize vs other varieties of B12. https://healthy-pregnancy65208.getblogs.net/63065503/a-secret-weapon-for-mthfr-gene