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PeptideCoupons
Status check · Nov 6, 2026

Peptide Sciences coupon code: the store has stopped selling

People still search for Peptide Sciences codes. The store itself is gone. We opened peptidesciences.com in a browser on Nov 6, 2026 and this is what it showed.

Checked by ··Affiliate links: how we are paid
peptidesciences.comNot selling
The home page says Peptide Sciences "voluntarily discontinued all research-use-only product sales in March 2026."

Read in a browser on Nov 6, 2026: peptidesciences.com. Automated requests to the site are blocked, so the notice can only be read in a normal browser.

What the notice says, in short

  • Sales of research-use-only products ended in March 2026.
  • The company still controls the website, its name and its trademarks.
  • It has not authorized anyone to sell for it, run a replacement site or claim to be its successor.
  • It warns about sellers impersonating it and gives an email address for reports.

So there is no Peptide Sciences coupon code to find. A site that offers one, or offers Peptide Sciences products, is not the original company by the company's own statement.

Alternatives, by price per mg

Vendors that were selling on Nov 6, 2026. See all eight compounds

BPC-157Lowest in-stock price per mg at each vendor, Nov 6, 2026
  1. 01Ascension Peptides10 mg · $49.00$4.90
  2. 02Swiss Chems10 mg · $59.95 · Arginine salt form$6.00
  3. 03Palmetto Peptides10 mg · $69.00$6.90
  4. 04PSPeptides10 mg · $89.99$9.00
  5. 05Core Peptides10 mg · $97.00$9.70
  6. 06American Peptides5 mg · $60.00$12.00
TB-500Lowest in-stock price per mg at each vendor, Nov 6, 2026
  1. 01Swiss Chems10 mg · $42.36$4.24
  2. 02PSPeptides10 mg · $79.99$8.00
  3. 03Ascension Peptides5 mg · $54.00$10.80
  4. 04Core Peptides10 mg · $140.00$14.00

Offers at those vendors

Only what each vendor shows on its own site.

Our pick

PSPeptides

Free shippingBulk deal
  • Free shipping on any order, per the site banner. Free UPS 2nd Day Air over $200 and Next Day Air over $400.
  • Build Your Own Kit: 40% off every vial when you take 10 or more of the same peptide and size. No code needed.
  • Bundle & Save on the same peptide and size: 3% off at 2 vials, 6% at 3, 9% at 4 or more.
No code yetNo public code on pspeptides.com. Our own code has not been issued yet.
Visit pspeptides.comChecked Nov 6, 2026

Palmetto Peptides

Free ship $200+Public code
  • Code FIT10 for 10% off the whole order, no minimum, per the vendor's own discount code page.
  • Free shipping on orders over $200. USPS Priority Mail, 2 to 3 business days. US only.
FIT10Seen on palmettopeptides.com/discount-code, Nov 6, 2026. Not tested by us.
Visit palmettopeptides.comChecked Nov 6, 2026

Core Peptides

Free ship $200+Bulk dealOn sale
  • Free delivery within the USA on orders of $200 or more.
  • Quantity discount on a product: 5% off for 5 to 8 units, 10% off for 9 or more.
  • Sale prices shown on some items, for example GHK-Cu 50 mg at $58 (was $69) and KPV 4 mg at $38 (was $45).
No code yetNo public code on corepeptides.com. The site points to its newsletter for promotions.
Visit corepeptides.comChecked Nov 6, 2026

Questions, answered

ITEM 01 / 03

Does any Peptide Sciences coupon code still work?

No. On Nov 6, 2026 peptidesciences.com showed only a notice that the company stopped selling research-use-only products in March 2026. There is no shop to apply a code to, so any code you see listed elsewhere is out of date.

ITEM 02 / 03

Is there a new Peptide Sciences website?

The notice says the company has not authorized any third party to sell on its behalf, run a replacement site or claim to be its successor. Treat any site using the name as unrelated to the original company.

ITEM 03 / 03

Where can I compare prices instead?

Our price board lists the price per mg for eight common compounds at seven vendors that were selling on our check date, with free shipping thresholds and whether each shows a lot or batch COA.

Pages we read on Nov 6, 2026