But the field shifted toward understanding ghrelin biology, and pharmaceutical investment in GH secretagogues for anti-aging applications declined as regulatory scrutiny of growth hormone-related products increased through the 2000s and 2010s
The grid below lays out a twice-daily (fasted AM + pre-bed) example so the two patterns are easy to compare across the week: On the continuous twice-daily pattern, a full week is 14 doses 100 mcg = 1,400 mcg (1.4 mg)

Standard Protocols Beginner Protocol Dose: 100-150mcg per injection Frequency: Once daily before bed Duration: 12-16 weeks to assess response Intermediate Protocol Dose: 200mcg per injection Frequency: Once daily before bed Duration: 16-24 weeks Advanced Protocol Dose: 200-300mcg per injection Frequency: 5-7 days per week Duration: 3-6 months with medical monitoring Best Time to Inject Mimics natural GH rhythm during sleep Maximizes sleep quality benefits Optimizes overnight fat burning Easy to remember and incorporate Key Tips: Inject on empty stomach (2-3 hours after eating) Wait 30-45 minutes after injection before eating Inject 30 minutes before bed Stay consistent with timing Calculate your exact dose with our peptide dosage calculator Reconstitution Guide CJC-1295/Ipamorelin 6mg/6mg vial Bacteriostatic water (NOT sterile water) Insulin syringes for injections Alcohol wipes Clean vial tops with alcohol wipes Draw 2mL of bacteriostatic water Slowly inject into peptide vial at an angle Gently swirl (do NOT shake) until dissolved Solution should be clear and particle-free Storage: Unreconstituted: 1-2 years refrigerated

Its defined structure and receptor selectivity make it ideal for controlled experimental models focusing on endocrine pathway analysis
Clin Chem 49, 901-7 (2003)
Mass spectrometric analysis was performed using a QTRAP 5000 triple quadrupole mass spectrometer equipped with an electrospray ionization (ESI) source (Applied Biosystems, USA)