Bone & Hormonal Health
Peptides acting on bone density and the hypothalamic-pituitary axis — thyroid, gonadal, and parathyroid signalling.
6 peptides in this category
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Bone Density
Anabolic bone agents and skeletal remodelling.
Teriparatide (PTH 1-34)
FDA-approved osteoporosis drug — and the widest gap between vial size and clinical dose here.
Thyroid Axis
TRH/TSH signalling and thyroid function assessment.
Protirelin (TRH)
Thyrotropin-releasing hormone — an approved diagnostic agent, discontinued since 2002.
Reproductive Axis
GnRH and upstream regulators of LH/FSH.
Kisspeptin-10
Upstream regulator of reproductive hormones and libido.
Gonadorelin (GnRH)
Natural GnRH — stimulates or suppresses depending entirely on dosing rhythm.
Triptorelin
GnRH agonist approved for prostate cancer and precocious puberty — suppression, not stimulation.
Deslorelin
Potent GnRH agonist approved only in veterinary medicine, with older human trial data.