Sexual Health & Hormone Peptides

Gonadorelin vs HCG: One Clear Winner on TRT

Gonadorelin acts on the pituitary, HCG on the testes directly. That one step down the axis decides which reliably holds testicular function.

PT-141 vs Melanotan 2: Key Differences

PT-141 is FDA-approved for sexual function, MT-2 is not — but MT-2 adds tanning. Side-by-side on effects, safety, and cost.

Kisspeptin vs PT-141: Which to Choose?

One works through hormones, the other through the brain — the mechanism matters for your goal. Full comparison with dosing.

Gonadorelin Dosing: 100mcg SubQ vs 10mcg/90min

Pulsatile delivery raises LH and FSH; continuous delivery suppresses them. Covers 10mcg/90min pump trials, community 100mcg subQ figures, and unit math.

Kisspeptin Dosage Chart: 125mcg Daily Before Bed

Kisspeptin-10 and kisspeptin-54 need different dosing strategies. Covers the 125mcg daily protocol, pulsatile timing, and 30-day cycling.

HCG Results: Week-by-Week Timeline

Testicular fullness returns within weeks; fertility effects take months. What HCG does at each stage on TRT, in PCT, and for fertility induction.

Kisspeptin Results: Week-by-Week Timeline

Acute libido shifts within hours, HPG-axis trends over weeks. Two timelines that matter, what trials documented at each stage, and what doesn't happen.

PT-141 Results: What to Expect & When

First effects hit in 15-30 minutes — but nausea often arrives first. Realistic timeline from dose one through repeated use.

Oxytocin Onset: 15-45 Min, Effects Last 2-4 Hours

Acute effects begin 15-45 minutes in, peak by the hour mark, and fade by hour 4. Plus what only changes after weeks of repeat dosing.

HCG Dosage Chart: 250-500 IU Protocol Guide

Why HCG is dosed in IU, not mg — the reconstitution and BAC-water math, TRT-support and fertility protocols, and the 250-500 IU dose range.

Buy HCG: Compare 2 Vendors, From $28.99

Compare 2 HCG (Human Chorionic Gonadotropin) vendors: from $28.99 a vial, best value $0.01/mg. Codes save up to 50%. Vial sizes, COA status, cost per week.

Buy PT-141: Compare 5 Vendors, From $37

Compare 5 PT-141 vendors side by side: from $37 a vial, best value $3.70/mg. Codes save up to 50%. Vial sizes, COA status, real cost per week.

Buy Oxytocin Peptide: Compare 4 Vendors, From $39

Compare 4 Oxytocin Peptide vendors side by side: from $39 a vial, best value $5.60/mg. Codes save up to 50%. Vial sizes, COA status, real cost per week.

Buy Kisspeptin: Compare 3 Vendors, From $29

Compare 3 Kisspeptin vendors side by side: from $29 a vial, best value $3.90/mg. Codes save up to 50%. Vial sizes, COA status, real cost per week.

PT-141 Dosage Chart: 500mcg On-Demand Protocol

Timing matters more than dose — too early and effects fade. Covers 500mcg starting dose, FDA data, and nausea management.

HCG for Fertility on Testosterone Therapy

Testosterone therapy makes ~40% of men azoospermic — but low-dose HCG kept sperm production intact in trials. The fertility evidence, study by study.

PT-141: Brain-Level Desire, Not Blood Flow

PT-141 works in the brain, not the blood vessels — that distinction changes everything. 6 research-backed effects with cited studies.

Oxytocin Spray Benefits: Anxiety, Mood, Connection

The bonding hormone does more than you'd expect — gut repair and pain modulation have the strongest emerging data. 10 effects ranked by evidence.

Kisspeptin: Testosterone Without HPG Suppression

Raises testosterone through the HPG axis instead of shutting it down. 6 research-backed effects ranked by evidence with dosing context.

PT-141 Side Effects: Nausea, Flushing, BP Changes

Nausea hits 40% of Phase 3 participants. Flushing and BP elevation follow. Full FDA-label safety breakdown.

Kisspeptin Side Effects: HPG-Axis Trial Data

Trial reports describe clean safety. Community data adds brief mood and libido shifts. Full safety breakdown.

PT-141 Bloodwork: 5 Labs to Check

Blood pressure gets all the attention, but liver enzymes catch problems first. 5 essential labs with optimal ranges and testing schedule.

Best Peptides for Sexual Health and Libido

Ranking of the peptides community sources describe for libido — what each does, who it suits, and what users actually report.