The short answer is that only tesamorelin has undergone human clinical trials and has received FDA approval for an extremely limited purpose
This will help you keep track of its shelf life and ensure you are using the correct concentration for each experiment
You can also use multiple peptides, for example, Sermorelin for performance plus GHK-Cu for skin, or any combination that fits your goals
Wang Y, Yu R, Wu L, Yang G
Your provider should also evaluate whether compounded formulations or oral options at lower starting doses may offer a safety advantage in your specific case
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