5 Peptides

Best Peptides for Fertility & Reproductive Health

Peptides researched for fertility support, hormone regulation, and reproductive function in both men and women.

5Total Options

2FDA Approved

Understanding Fertility Peptides

Fertility peptides work by regulating the hypothalamic-pituitary-gonadal (HPG) axis — the hormonal cascade that controls reproduction. Kisspeptin is a key signaling peptide that triggers GnRH release, which in turn stimulates LH and FSH production. Gonadorelin (synthetic GnRH) is FDA-approved for diagnostic testing and has clinical applications in fertility. These peptides can help restore natural hormone production, which is particularly relevant for men recovering from testosterone replacement therapy or anabolic steroid use.

Key Considerations

Gonadorelin is FDA-approved for diagnostic evaluation of gonadotropic function
Kisspeptin has shown positive results in clinical fertility trials
Men recovering from TRT/steroids commonly use these for hormone restoration
Female fertility applications are being actively researched
Work with a reproductive endocrinologist for fertility concerns

FDA Approved Options (2)

Gonadorelin

FDA Approved

Also: GnRH, LHRH, Factrel

A synthetic version of gonadotropin-releasing hormone. Used diagnostically and therapeutically for various reproductive and hormonal conditions.

Typical Dosing

100-500 mcg 2-3x weekly

HormonalView Details

Leuprolide

FDA Approved

Also: Lupron, Eligard, Leuprorelin

A GnRH agonist that suppresses testosterone and estrogen production. FDA approved for prostate cancer, endometriosis, uterine fibroids, and precocious puberty.

Typical Dosing

Variable - depends on formulation

HormonalView Details

Research Peptides (3)

These peptides are being researched but are not FDA approved. They should only be considered for research purposes or under medical supervision.

Kisspeptin

Clinical Trials

A neuropeptide that plays a critical role in initiating puberty and regulating the reproductive hormone axis. Being studied for fertility and hormonal disorders.

HormonalLearn more

Testagen

Preclinical

A peptide bioregulator targeting testicular tissue. Supports healthy testicular function through tissue-specific gene regulation. Part of the Khavinson peptide bioregulator family.

BioregulatorsLearn more

Follistatin

Clinical Trials

A naturally occurring protein that inhibits myostatin. Studied for muscle growth and dystrophy conditions.

HormonalLearn more

Frequently Asked Questions

What peptides help with fertility?

Kisspeptin triggers natural GnRH release, stimulating LH and FSH — the hormones essential for ovulation and sperm production. Gonadorelin (synthetic GnRH) directly stimulates gonadotropin release. Both have clinical trial data supporting fertility applications.

Can peptides restore testosterone after steroid use?

Gonadorelin and Kisspeptin can help restart the HPG axis after suppression from testosterone or anabolic steroids. They stimulate the body to produce its own LH and FSH, which signal the testes to produce testosterone. This is commonly used in post-cycle therapy.

Is Kisspeptin used in IVF?

Yes, Kisspeptin is being researched as a safer alternative to hCG for triggering ovulation in IVF cycles. Clinical trials show it effectively triggers egg maturation with a lower risk of ovarian hyperstimulation syndrome (OHSS), a serious IVF complication.