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A: Yes, B12 injections have an excellent safety profile
In short, MTHFR initiates the conversion of folate (vitamin B9) to its functional form 5-methyltetrahydrofolate 93,94 , which on its turn acts as a coenzyme of methionine synthase for the formation of methionine from homocysteine 93,94
If you are not properly educated in intramuscular injections, individual use can be risky
Lutchmansingh FK, Hsu JW, Bennett FI, Badaloo AV, McFarlane-Anderson N, Gordon-Strachan GM, et al
In fact, many adults are completely unable to absorb B12 from oral ingestion
Subcutaneous DSIP is supported by clinical studies. Most historical human research involved intravenous exposure
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