Endomaxxing Peptides — HPG-Axis & Neuroendocrine Vials
Endomaxxing is the endocrine side of a peptide protocol, and the shelf is short by design — four well-defined vials covering the HPG axis and neuroendocrine signalling. One compound targets sexual-response research, one acts as an upstream regulator of the reproductive axis, one is studied by sublingual and intranasal routes, and one is a direct pituitary analogue. Because the shelf is small, there is little cross-shopping here; buyers usually arrive knowing which of the four they need. Two or three of these vials together clear the free-shipping threshold. Each ships in the same sealed, lot-certified format as everything else in the store.
≥98% HPLC
Lot CoA included
3–5 day US ship
Tracked courier
Free ship $200+
No code needed
4 in stock
Ships next business day
From click to delivery
How ordering endomaxxing works
1. Click Buy
Pick a endomaxxing vial and click. We hand off to the supplier's secure checkout with our referral applied.
2. Secure checkout
Card payment handled by the supplier's storefront. We don't see or store card details.
3. Ships next day
Orders dispatch within one business day, tracked courier, sealed vial under nitrogen.
4. Arrives in 3–5 days
Delivery to most US addresses in 3–5 business days. Refrigerate on arrival, freeze for long-term.
Four Endomaxxing Vials On This Shelf
- PT-141 (Bremelanotide) — $62.99 for 10 mg. Same molecule as Vyleesi.
- Kisspeptin-10 — $53.99 (5 mg) or $89.99 (10 mg). Upstream HPG regulator.
- Oxytocin — $62.99 (8 mg) or $71.99 (10 mg). Sublingual/intranasal route.
- Gonadorelin Acetate — $44.99. Direct pituitary GnRH analogue.
Hitting Free Shipping On An Endomaxxing Order
PT-141 + Kisspeptin-10 10 mg + Oxytocin 10 mg = $224.97. Ships free.
Endomaxxing peptides — buying & shipping FAQ
What you need to know before ordering endomaxxing vials.
What does endomaxxing mean?
Endomaxxing is the endocrine side of a peptide protocol — the compounds researched for HPG-axis and neuroendocrine signalling. On this shelf that means four vials: PT-141 for sexual-response research, Kisspeptin-10 as an upstream axis regulator, Oxytocin, and Gonadorelin as a direct pituitary GnRH analogue.
Kisspeptin-10 5 mg or 10 mg?
10 mg at $89.99 = $8.99/mg vs $10.80/mg for the 5 mg. If you're committing to a Kisspeptin-10 protocol, 10 mg is the better buy.
Can oxytocin be taken orally?
No — oral bioavailability is effectively zero. Use sublingual drops or intranasal sprayer. Ships as lyophilized powder.
Gonadorelin vs Kisspeptin-10?
Both drive LH/FSH but at different points. Gonadorelin is a direct GnRH analogue at the pituitary. Kisspeptin-10 acts upstream at hypothalamic GnRH neurons.
Place your order
4 endomaxxing vials, sealed and ready.
Free US shipping over $200. Tracked courier 3–5 business days. Lot CoA with every vial.



