Systemic action means the compound affects the entire body
The loading dose regimen achieved the quickest and highest increase, reaching a median vitamin B12 concentration of 1090 pmol/L (reference range 350-650 pmol/L) after 14 days
Krivic, A., Majerovic, M., Jelic, I., Seiwerth, S., & Sikiric, P
Blood alcohol content calculators use mathematical formulas to estimate BAC levels based on input variables such as the number of drinks consumed, body weight, and time since drinking
So the "vs" here is really a comparison between a fat-cell-targeting fragment and gut-hormone-mimicking peptides