Peptides on Sale
These are the peptides on sale right now at Polaris Peptides, each marked down from its regular price: retatrutide and tirzepatide in several strengths, semaglutide 20mg, cagrilintide, TB-500, GHK-Cu, Epithalon, Thymosin Alpha-1 and more.
Looking for something else? See our peptide blends and GLP-1 peptides, or browse all research peptides.
What are peptides on sale?
Sale prices here are real reductions on the regular price, shown on every product page. They’re the same vials, from the same stock and tested the same way.
Most products also come in bulk packs. The pack discount stacks on top of the sale price, so a 20-vial pack of a sale item is the lowest price per vial in the store.
For the published research behind this range, start with this PubMed search.
Peptides on Sale in our range
- Cagrilintide 5mg, $80.00 (was $110.00)
- Cagrilintide Semaglutide Blend 3mg/3mg, $50.00 (was $75.00)
- Epithalon 10mg, $35.00 (was $45.00)
- GHK Basic 50mg (Copper-Free), $40.00 (was $65.00)
- GHK-Cu 50mg, $35.00 (was $50.00)
- Mazdutide 6mg, $100.00 (was $110.00)
- Retatrutide 10mg, $89.00 (was $120.00)
- Retatrutide 15mg, $130.00 (was $160.00)
- Retatrutide 35mg, $275.00 (was $320.00)
- Retatrutide 5mg, $50.00 (was $70.00)
- Semaglutide 20mg, $165.00 (was $175.00)
- Snap-8 10mg, $40.00 (was $50.00)
- TB-500 10mg, $70.00 (was $80.00)
- Thymosin Alpha-1 10mg, $65.00 (was $75.00)
- Tirzepatide 10mg, $89.00 (was $99.00)
- Tirzepatide 30mg, $225.00 (was $250.00)
- Tirzepatide 50mg, $270.00 (was $320.00)
- Tirzepatide 60mg, $309.00 (was $360.00)
How to choose peptides on sale
If a compound you already use is on sale, it’s a good time to stock up, since sealed vials keep well in the freezer.
Sale prices change, so check back. For the full range at regular prices, see all research peptides.
Peptides on sale: formats and prices
There are 18 products in this range: 17 freeze-dried vials and one blend vial. Prices run from $35.00 to $309.00. Every product page lists the amount, the format and the SKU, so you can compare like for like before you order.
Purity and testing for our peptides on sale
Every batch in this range is checked by HPLC-MS, which measures purity and confirms the molecular weight in one test. Most products test above 99% purity, and each product page states its figure. Vials are vacuum-sealed after freeze-drying to keep air and moisture out.
Store sealed vials in the freezer at -20°C and reconstitute with sterile bacteriostatic water when you’re ready. Every vial page lists the concentration you’ll get for each volume of water. Mixed vials go in the fridge at 2 to 8°C and should be used within 28 days.
Bulk pricing on peptides on sale
Most products here come in packs as well as single vials. Pick 2, 5, 10, 15 or 20 in the Quantity menu on the product page, and the price per unit drops by 10% to 30%. Packs ship as individual sealed vials, so you only open what you need.
Peptides on sale FAQ
Are your peptides on sale in stock?
Yes. Everything listed here is in stock and ready to ship.
Are peptides on sale for human use?
No. Everything we sell is for laboratory research only and isn’t approved for human or veterinary use.
How pure are they?
Most test above 99% by HPLC-MS. Each product page shows the purity figure for that product.
Is there a bulk discount?
Yes. Choose a pack of 2 to 20 in the Quantity menu on any product page and save between 10% and 30%.
Do I need anything else?
Sterile bacteriostatic water to reconstitute the vials, and a fridge and freezer for storage.
Buy peptides on sale online
Pick a product above, add it to your cart and check out in a couple of minutes. Everything on this page is in stock, and bulk packs bring the price down further. Not sure this is the right range? See all research peptides.
For laboratory research use only. Not for human or veterinary use.
Showing 1–16 of 18 results
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Sale!

Cagrilintide 5mg
Price range: $80.00 through $1,120.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

Cagrilintide Semaglutide Blend 3mg/3mg
Original price was: $75.00.$50.00Current price is: $50.00. Add to cart -
Sale!

Epithalon 10mg
Price range: $35.00 through $490.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

GHK Basic 50mg (Copper-Free)
Price range: $40.00 through $560.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

GHK-Cu 50mg
Price range: $35.00 through $490.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

Mazdutide 6mg
Original price was: $110.00.$100.00Current price is: $100.00. Add to cart -
Sale!

Retatrutide 10mg
Price range: $89.00 through $1,246.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

Retatrutide 15mg
Price range: $130.00 through $1,820.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

Retatrutide 35mg
Price range: $275.00 through $3,850.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

Retatrutide 5mg
Price range: $50.00 through $700.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

Semaglutide 20mg
Price range: $165.00 through $2,310.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

Snap-8 10mg
Price range: $40.00 through $560.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

TB-500 10mg
Price range: $70.00 through $980.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

Thymosin Alpha-1 10mg
Price range: $65.00 through $910.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

Tirzepatide 10mg
Price range: $89.00 through $1,246.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sale!

Tirzepatide 30mg
Price range: $225.00 through $3,150.00 Select options This product has multiple variants. The options may be chosen on the product page