VENDOR PROFILE
LabSourced Coupon Code: 50% Birthday Sale + PEPDEALS 10%
🔥 UPDATED SEPTEMBER 19 — BIRTHDAY SALE LIVE
50% OFF SITEWIDE automatically + another 10% with PEPDEALS = about 55% off the original price before eligible bulk and payment discounts. Bulk tiers stack, Zelle can save another 5%, free shipping applies over $200, and customers earn 5% back in loyalty rewards. Birthday Sale ends Friday, October 2 at 11:59 PM ET. Verified: September 19, 2026 ✓
LabSourced’s Birthday Sale is 50% off sitewide automatically. PEPDEALS stacks for another 10% off, bringing the combined savings to about 55% off the original price before eligible bulk and payment discounts. Bulk tiers and Zelle savings can stack; verify the final cart total at checkout.
≈55% OFF
50% sale + PEPDEALS
6.5/7
Testing score
-5%
More, paying Zelle
$200
Free shipping threshold
PAYMENT METHODS
Zelle, ACH/bank transfer, credit/debit, Apple Pay, Google Pay
Zelle saves an extra 5%; ACH/bank transfer via LinkMoney saves 3%. Credit, Apple Pay, and Google Pay have a $150 minimum and no added discount.
SHIPPING & PROTECTION
$20 shipping, free over $200
Optional delivery guarantee available, roughly $5.00.
Testing
LabSourced tests through Vanguard and ILS Labs, scoring 6.5 of 7 on our panel: net content, net purity, identification, endotoxins, heavy metals, and conformity all pass, with sterility (bioburden) testing only partial. Fentanyl screening is not currently part of their testing process.
COMPLETE VENDOR DETAILS · VERIFIED SEPTEMBER 19, 2026
Testing, shipping, payment & products
Products
Research peptides with mix-and-match bulk pricing · Laboratory and reconstitution supplies. Product-specific COAs should be reviewed for the current testing panel.
Frequently asked questions
What is the current LabSourced coupon code?
PEPDEALS takes another 10% off during the current 50% off Birthday Sale, for about 55% off the original price before eligible bulk and payment discounts.
How does the bulk pricing work?
The current Birthday Sale information says bulk tiers stack on top: buy 3 gets another 3% off, buy 5 another 5% off, and the 10-vial tier includes 20% off plus another 5%. Products can be mixed and matched. Confirm final cart pricing.
How long does the sale run?
The Birthday Sale runs through Friday, October 2 at 11:59 PM ET. This page was verified September 19, 2026.
Is LabSourced third-party tested?
Yes, through Vanguard and ILS Labs, scoring 6.5 of 7 on our testing panel. Fentanyl screening is not currently part of their process.
Coupon code
Research Use Only. Not for human consumption. PepDiscounts contains affiliate links; we may earn a commission at no cost to you. Page last verified September 19, 2026.