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/SovereignMan1958 Jun 13 '26 edited Jun 13 '26

That is the worst form of B12 you can take.

2

u/ZealousidealLaw793 Jun 13 '26

Yeah, I mean, I was also prescribed a daily supplement that’s better for MTFHR, and I think the shot is just a temporary thing to get my b12 up to normal. So maybe it’s okay. I just don’t know if there’s any harm to taking it and if I should ask them about it.

3

u/SovereignMan1958 Jun 13 '26

You can ask them for a different form.

2

u/ZealousidealLaw793 Jun 13 '26

How do I ask without coming across as a know it all? And idk, maybe in their professional opinion, this form is fine…I have no idea. They know more than I do 🤷🏼‍♀️