Have you heard great things about B12 shots
The second is dose and route translation : even where an effect is real in a mouse, the human-equivalent dose is not a simple body-weight scaling, and as the route section above stressed there is no human bioavailability figure to anchor an oral-versus-injected comparison
Contraindications Given the limited safety data, conservative contraindications would include pregnancy or plans to become pregnant, breastfeeding, age under 18, severe liver or kidney disease, and any condition requiring medications with unknown interaction potential
The lyophilized form demonstrates strong stability when stored correctly under standard laboratory conditions
If your first B12 test comes back in the "normal" range but you're still having symptoms, asking for MMA and homocysteine tests is a smart and proactive next step
It might take longer to see full results