FREE PRIORITY SHIPPING OVER $200  ·  SAME DAY SHIPPING BY 2 PM ET  ·  THIRD-PARTY LAB TESTED
FREE SHIPPING OVER $200 · SAME DAY SHIPPING BY 2 PM ET · THIRD-PARTY LAB TESTED
Serene
Recovery & Repair · Research Stack

Tadalafil

5 mg powder · Third-party lab tested
★★★★★ 4.8 · 175 reviews
1 vial
Single unit
$49.99
2 vialsSave $5.00/ea
$44.99 each
$49.99 $44.99/ea
3+ vialsBest value
$42.49 each · Save $7.50/ea
$49.99 $42.49/ea
Quantity
Third-party lab tested Same day shipping COA available Free shipping $200+
  • Long-acting PDE5 inhibitor
  • ≥98% verified purity by HPLC
  • Independently lab tested in every batch by Chromate Laboratories
  • 5 mg powder · room-temp stable

Why researchers choose this.

Every batch independently third-party lab tested. Every batch independently third-party lab tested. Built for serious vascular research.

⌬

Vascular research target

Tadalafil is a long-acting PDE5 inhibitor. Studied for its effects on vascular smooth muscle relaxation and cyclic GMP signaling.

✓

Verifiable purity

All three peptides independently tested by Chromate Laboratories with ≥99% verified purity. COAs available per batch.

◐

Best stack value

All three vials bundled at a meaningful discount vs. buying them separately.

Tadalafil vial

What is Tadalafil?

Tadalafil is widely studied. It’s commonly sourced through compounding pharmacies but the markup is significant — our pricing reflects the actual cost.

All three peptides are manufactured at compounding facilities operating under GMP-aligned standards and independently verified for purity and identity in every batch.

For research use only. Not for human consumption.

Product specifications.

Compound
Tadalafil
Category
Vascular research · PDE5 inhibitor
Quantity per vial
5 mg powder
Form
5 mg powder
Purity
≥99% (third-party verified)
Storage (unopened)
Room temperature, away from light
Storage (reconstituted)
Refrigerate, 2-8°C
Lab testing
Chromate Laboratories · per-lot COA

Frequently asked.

What is Tadalafil?

The Tadalafil is a long-acting PDE5 inhibitor. Studied for vascular research and cyclic GMP signaling pathways. Sold for research use only.

How is purity verified?

Every lot of Tadalafil is independently tested by Chromate Laboratories before release. We verify identity, purity (≥99%), and endotoxin levels. A Certificate of Analysis for your specific lot is available on request — just email admin@nxtstate.co with your order number.

How should it be stored?

All three lyophilized vials are shelf-stable at room temperature (away from direct light). Once reconstituted with sterile bacteriostatic water, vials should be refrigerated at 2-8°C and used within the standard stability window for repair research peptides.

What does each shipment include?

Each order ships with the Tadalafil unit(s) you purchased. Reconstitution materials (bacteriostatic water, syringes, alcohol pads) are available as separate products. We recommend ordering them together if it’s your first shipment.

How fast does it ship?

Orders placed before 2pm ET ship same-day. After that, next business day. All shipments include tracking, and you’ll receive an email the moment your order is on the way. Free shipping on orders over $200.

Where is it manufactured?

Tadalafil is compounded at facilities operating under GMP-aligned standards. We work exclusively with manufacturers who allow third-party lab verification of every batch we release.

What researchers are saying.

★★★★★
4.8 / 5
Based on 175 verified reviews
★★★★★
“Pricing is honestly amazing compared to what the pharmacy was charging. Will definitely reorder.”
— Verified buyer · Apr 2026
★★★★★
“Came clearly labeled and well packaged. Shipping was fast.”
— Verified buyer · Feb 2026
★★★★★
“Reordering. Easy process and great customer service.”
— Verified buyer · Dec 2025

Pair with related compounds.

FOR RESEARCH USE ONLY · NOT FOR HUMAN CONSUMPTION.
Products sold by Serene are intended for in-vitro research and laboratory experimentation only. Not intended to diagnose, treat, cure, or prevent any disease.