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They are also preferred by researchers who want to avoid injections entirely, though it is worth noting that the oral route distributes the peptide systemically rather than concentrating it at a specific site
They do not give instant energy like caffeine
The three validated injection sites are: the lower abdomen (at least 5 cm from the navel), the outer thigh, and the outer upper arm
Kim YC, Shin MD, Hackett SF, Hsueh HT, Lima ESR, Date A, Han H, Kim BJ, Xiao A, Kim Y, Ogunnaike L, Anders NM, Hemingway A, He P, Jun AS, McDonnell PJ, Eberhart C, Pitha I, Zack DJ, Campochiaro PA, Hanes J, Ensign LM
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