Kwan KC (1997) Oral bioavailability and first-pass effects
The direct consequence is that area percentages from a single-wavelength chromatogram are not mass percentages, and reading a three-peak trace as though the areas were proportions is simply wrong
Furthermore, the effect of BPC 157 is due to its interaction with and modulation of the NO system, and its interaction with prostaglandin, dopamine, and serotonin systems has also been documented
Convenience, Frequency, And Cost Injections Require syringes, safe disposal, and usually medical supervision Often weekly or monthly, depending on protocol Costs can add up with repeated clinic visits Nasal spray Takes a few seconds, wherever you are Easy to build into a daily routine No sharps, no office visit, and generally lower ongoing cost For many busy professionals, athletes, and biohackers, nasal sprays offer most of the benefits of injections with a lower barrier to consistent use
Some people simply find sticking themselves hard to do
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