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Many people report clearer thinking, improved mood, and better overall cognitive performance after boosting their B12 levels

Morning works fine too

This affects all SAM-dependent reactions, for example the nerves through reduced production of myelin and acetylcholine but also neurotransmitter synthesis and degradation in the biopterin cycle, as we discussed above

Intramuscular injection adverse events include injection site pain (more common than SubQ due to needle depth), transient muscle soreness in 1020% of subjects, and rare hematoma formation if a blood vessel is inadvertently punctured

This can increase your need for B12 supplementation, and injections may be especially helpful in these cases