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The 0.9% benzyl alcohol concentration is compatible with the chemical stability requirements of GHRH analogue peptides and the acetate salt formulations of Sermorelin and Modified GRF(1-29) show good stability in Bacteriostatic Water at 4C storage for periods consistent with typical research protocol durations

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The optimal frequency really depends on your goals and where you're starting from

No subcutaneous works well and is safer for self-administration