These are all the peptide promo codes and coupons we list for October 2026. Every supplier here is in our directory, and we tested each code in a real cart before listing it. The date we last checked each one is shown below.
We earn a commission if you order through our links or codes, at no extra cost to you.
This list is also available as a single-page version of all peptide promo codes.
All Peptide Promo Codes at a Glance
| Store | Promo code | Discount | Last checked |
|---|---|---|---|
| PepKits | peptidespromocodes-com10 |
10% off full-price items | Sep 30, 2026 |
| 99 Purity Peptides | PPEPTIDESPC10 |
10% off store-wide | Sep 30, 2026 |
| PSPeptides | NOW10OFF |
10% off your order | Sep 30, 2026 |
| Peptide Confidential | No code needed | Up to 30% off by quantity | Sep 30, 2026 |
| Healius Peptides | abrar10 |
10% off entire order | Sep 30, 2026 |
| American Peptides | ABRAR10 |
10% off store-wide | Sep 30, 2026 |
| Alera Research | No code needed | Up to 12% off by quantity | Sep 30, 2026 |
| SheMed | NOW20OFF |
20% off your first month | Sep 30, 2026 |
| Arizen BioLabs | FALL30 |
30% off sitewide | Sep 30, 2026 |
| Drexa Labs | PEPTIDESPROM15 |
15% off your order | Sep 30, 2026 |
PepKits Promo Code October 2026: peptidespromocodes-com10
Code: peptidespromocodes-com10 (backup: acole198310)
Use PepKits promo code peptidespromocodes-com10 to take 10% off every full-price product at PepKits. PepKits is a members-only store, so a free account unlocks prices, and the store describes its peptides as USA-made, USA lab-tested and 99% pure. The code does not apply to sale-priced items, and the backup code acole198310 gives the same 10% if the first one ever fails. Read our full PepKits promo code guide.
99 Purity Peptides Promo Code October 2026: PPEPTIDESPC10
Code: PPEPTIDESPC10
Enter PPEPTIDESPC10 at 99 Purity Peptides for 10% off your entire order, with no minimum spend. The code works store-wide, so it covers every peptide in the catalog. The North Charleston, SC supplier posts batch sterility and endotoxin reports from Eagle Analytical on its Certificates page. See our 99 Purity Peptides discount code guide.
PSPeptides Promo Code October 2026: NOW10OFF
Code: NOW10OFF
PSPeptides promo code NOW10OFF takes 10% off the cart subtotal at PSPeptides. It stacks with the store’s 3% and 5% multi-vial bundle discounts, and it worked on a single $49.99 vial, so there is no minimum. The New Jersey supplier shows batch reports for purity, heavy metals, endotoxin and sterility on each product page. Read our PS Peptides review and promo code.
Peptide Confidential Discount October 2026: Up to 30% Off, No Code Needed
Code: none needed, the discount applies automatically
Peptide Confidential takes 10% off each vial when you buy 3, 20% at 5 and 30% at 10, applied at checkout without a code. You can mix and match any products toward the vial count, and the discount stacks with the deal-of-the-day price. The family-run Calgary supplier publishes a third-party lab report for every batch, rejected lots included. See our Peptide Confidential promo code guide.
Healius Peptides Promo Code October 2026: abrar10
Code: abrar10
Use Healius Peptides promo code abrar10 for 10% off your entire order at Healius Peptides. It is valid store-wide with no minimum purchase. Healius ships from the US and UK, and it publishes third-party Janoshik lab reports with a COA search by lot number. Read our Healius Peptides discount code guide.
American Peptides Promo Code October 2026: ABRAR10
Code: ABRAR10
American Peptides promo code ABRAR10 takes 10% off store-wide at American Peptides, with no minimum purchase. The store link applies the code for you. This Shreveport, Louisiana supplier sells US-made research peptides, and every lot has a public Bioviridian COA covering identity, purity, content, endotoxin and heavy metals. See our American Peptides discount code guide.
Alera Research Discount October 2026: Up to 12% Off, No Code Needed
Code: none needed, bulk pricing applies automatically
Alera Research takes 6% off each vial when you buy 3 of one product, 8% at 5 and 12% at 8. The vial count is per product, so different products do not combine, but the discount stacks on the sitewide sale price. Alera’s peptides are third-party HPLC and mass-spec tested, with the certificate of analysis on every product page. Read our Alera Research promo code guide.
SheMed Promo Code October 2026: NOW20OFF
Code: NOW20OFF
SheMed promo code NOW20OFF gives 20% off your first month at SheMed, on plans that start from £59 a month. SheMed is a UK clinician-led metabolic health and weight loss programme for women, with personalised plans and clinical support, rather than a research peptide store.
Arizen BioLabs Promo Code October 2026: FALL30
Code: FALL30 (backup: QUICK)
Arizen BioLabs promo code FALL30 takes 30% off sitewide at Arizen BioLabs, the biggest discount on this list. It is a fall sale code, so if it ends, the backup code QUICK still takes 10% off. Only one code works per order, and neither applies to 10-vial bulk kit pricing. Arizen carries 32 HPLC-tested peptides, publishes third-party COAs for tested lots and ships in 1–2 business days. See our Arizen BioLabs promo code guide.
Drexa Labs Promo Code October 2026: PEPTIDESPROM15
Code: PEPTIDESPROM15
Drexa Labs promo code PEPTIDESPROM15 takes 15% off the cart subtotal at Drexa Labs, with no minimum spend. It stacks with volume pricing of 5% off each vial at 3, 10% at 6 and 15% at 10, which makes it one of the best deals for larger orders. The Louisiana supplier dispatches the same day, and its ILS Laboratories certificates carry an access code you can check with the lab. Read our Drexa Labs promo code guide.
Frequently Asked Questions
What is the best peptide promo code for October 2026?
Arizen BioLabs code FALL30 gives the biggest discount, at 30% off sitewide while the fall sale runs. For larger orders, Drexa Labs code PEPTIDESPROM15 stacks 15% off with up to 15% volume pricing.
Do these peptide coupons stack with other discounts?
Some do. PSPeptides NOW10OFF stacks with bundle discounts, Drexa Labs PEPTIDESPROM15 stacks with volume pricing, and Peptide Confidential’s quantity discount stacks with its deal-of-the-day price. Arizen BioLabs allows one code per order and excludes bulk kit pricing.
How often do you check these promo codes?
We test each code in a real cart before listing it, and we recheck codes regularly. The table at the top shows the date each code was last checked.
Which stores need no promo code?
Peptide Confidential and Alera Research apply their discounts automatically, based on how many vials are in your order.
Before ordering from any supplier, our buyer’s guide covers what to check, and how to read a peptide COA explains what a lab report should show.