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Hormonal, Growth Hormone & Body Composition Research

Curated research notes and related compounds focused on growth hormone pathways, body composition, lean mass, metabolic support, and related research. Explore the latest insights and tools researchers use.

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Research Notes in This Category

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Peptide Research

7 min read

PT-141 vs Oxytocin: How They Differ

PT-141 is a synthetic peptide that activates melanocortin receptors in the brain, while oxytocin is the body’s own nine-amino-acid hormone, made in the hypothalamus and acting through a receptor of its own.… Read more

PT-141 vs Oxytocin: How They Differ

Peptide Research

10 min read

Peptides for Libido: What the Research Shows

Among peptides for libido, PT-141 (bremelanotide) has the strongest research: in two 2019 phase 3 trials of 1,267 premenopausal women with low sexual desire, it raised desire scores and lowered distress about… Read more

Peptides for Libido: What the Research Shows
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