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0.25ml = 50mg NAD+
Heres what the literature shows and where the gaps remain
Most people having B12 injections (intramuscular) will see an improvement in the first 24 hours, but the hematological response, including the quick production of new red blood cells, may take several days to months for a full response
doi:10.1152/ajpendo.2000.279.3.E501 Ng FM, Sun J, Sharma L, Libinaka R, Jiang WJ, Gianello R
These findings have not been replicated in human trials
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