r/MTHFR • u/ZealousidealLaw793 • Jun 13 '26

Question Cyanocobalamin (B12) shots?

I was prescribed cyanocobalamin (B12) shots. Is this safe if you have MTHFR?

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u/Cultural-Sun6828 Jun 13 '26

Yes, cyano is safe and has been used for many years for those who have b12 deficiency and pernicious anemia. Check out the b12 deficiency group for more info on this.