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Growth Hormone Deficiency & Stimulation

GHRP-2

Growth Hormone

Approved (multiple countries)

A potent growth-hormone-releasing peptide, used in Japan as a diagnostic test for growth hormone deficiency. Also mildly stimulates appetite, unlike some newer alternatives.

GHRP-6

Growth Hormone

Research Phase

One of the original growth-hormone-releasing peptides, known for combining strong GH stimulation with a pronounced appetite-boosting effect.

Gonadorelin

Sexual Health

FDA Approved

The FDA-approved synthetic form of the body's own master reproductive hormone, used to trigger LH and FSH release and support natural fertility signaling.

Hexarelin

Growth Hormone

Research Phase

One of the most potent growth-hormone-releasing peptides studied, with a distinct cardioprotective effect separate from its GH-stimulating activity.

Ibutamoren

Growth Hormone

Research

A once-daily pill that raises growth hormone the same way injectable growth hormone-releasing peptides do — but it's chemically a small molecule, not an actual peptide, which is why it can be taken orally.

Sermorelin

Growth Hormone

FDA Approved

A growth-hormone-releasing peptide that was actually FDA approved decades ago — the brand was pulled from the market for business reasons, not safety concerns, and it's still available today through compounding pharmacies.