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Here is an honest comparison of how the two approaches differ, and when each one makes the most sense

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Which method wins here really comes down to your personality: if you are disciplined and dislike needles, pills may suit you

References PubMed Prolonged stimulation of GH and IGF-1 secretion by CJC-1295 in healthy adults PubMed Once-daily CJC-1295 normalizes growth in GHRH knockout mouse PubMed Ipamorelin, the first selective growth hormone secretagogue PMC Beyond the androgen receptor: GH secretagogues in body composition management PubMed Pharmacokinetic-pharmacodynamic modeling of ipamorelin in human volunteers PubMed Ipamorelin GH pulse kinetics and timing studies CDC Vaccine administration: subcutaneous route (angle/site