alternatives to b12 injections and PBS Needle-free Alternative to Methyl B12

The NNMT Inhibitor May Enhance Muscle Performance Through Increasing NAD+ The studys findings that the NNMT inhibitor, 5-amino-1MQ, improves muscle strength and endurance in aged mice may come from boosting NAD+ levels through increasing cellular levels of its precursor, nicotinamide

PMID 25738459

This makes it potentially suitable for individuals with insulin resistance, pre-diabetes, or type 2 diabetes, populations who would not be good candidates for growth hormone therapy due to its glucose-elevating effects

The absorption rate varies, but improvements in symptoms can often be observed within a week or two of starting supplementation