Same product. Comparable prices.
The lowest effective price in stock for a Thymagen 20 mg vial is $55 ($2.75 per mg) at Peptides 4 Research, checked Oct 6, 2026, across 6 offers compared. 2 picks with a product COA on file.
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6 of 6 matching offers
Check the observation date beside each price. Prices and stock can change between checks; confirm both at the vendor.
2 picks for this product as of Oct 6, 2026. Picks are up to three of the lowest effective prices among vendors that passed the trust floor, were in stock and checked within 72 hours, and have a COA on file for this product and strength tested within the last 12 months. Fewer than three is normal. Affiliate relationships never affect picks or order. A COA shows the batch it names; it does not prove which lot a vendor ships today.
One-package prices require ordering one sellable package of the selected size. Bulk deals appear in the separate purchase-size view.
Effective prices include only verified automatic promotions or the selected verified coupon scenario. They exclude shipping and tax. Automatic promotions are not stacked with coupons unless the combined terms were verified. Sorting changes this table only; vendor grades and picks are unchanged.
| Vendor and trust | Listed price | Stock record | Price checked | Product |
|---|---|---|---|---|
| Peptides 4 Research Not enough information to gradeNot graded Below trust floorProduct COA on fileTested Mar 10, 2026 · BioAnalytical Laboratory, Inc. · ref 260908 · purity 99.77% · batch 260304TH203 Vendor-hosted copy · Lab site ↗ · SHA-256 73360b0546a4… | $55$2.75 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Product link unavailable |
| Swiss Chems Grade C66/100 Below trust floorVendor tests other products97 public reports from this vendor, none matched to this product. | $67.95$3.40 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Core Peptides Grade B+80/100 Passed trust floorPick 1Product COA on fileTested Jul 15, 2026 · Vanguard Laboratory · ref V260706-2 · purity 98.51% · batch C74200 Vendor-hosted copy · Found on the product page by the weekly COA crawl · SHA-256 0c198d4451ab… | $78$3.90 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Skye Peptides Not enough information to gradeNot graded Below trust floorVendor tests other products251 public reports from this vendor, none matched to this product. | $79$3.95 / mgDeal not verified · listed price shown | Out of stock when checked | Price recorded on this dateLatest check unavailable; showing last observation (attempted Oct 6, 2026). | Product link unavailable |
| Biolongevity Labs Grade B78/100 Passed trust floorPick 2Product COA on fileTested Feb 4, 2026 · BioRegen · ref BIOLABS2010 · purity 99.74% · batch 44-3-46031 Vendor-hosted copy · Lab site ↗ · SHA-256 c5f42e61dd79…2 older reports on file for this product. | $79.97$4 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Paramount Peptides Grade B78/100 Passed trust floorLab-verified COATested Jul 29, 2025 · Janoshik Analytical · ref 72664 · purity 99.9% · batch TYG20N062725 Lab portal copy · Lab copy ↗ · SHA-256 6ae709722283…1 older report on file for this product. | $119$5.95 / mg | In stock when checked | Price recorded on this date | Product link unavailable |
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Thymagen 20 mg vial
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Uses listed prices checked within 72 hours and recorded in stock. Coupons, shipping and tax are excluded. Confirm at the vendor.