Same product. Comparable prices.
The lowest effective price in stock for a Thymosin Alpha-1 5 mg vial is $35 ($7 per mg) at Ameano Peptides, checked Oct 6, 2026, across 7 offers compared. 3 picks with a product COA on file.
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7 of 7 matching offers
Check the observation date beside each price. Prices and stock can change between checks; confirm both at the vendor.
3 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 |
|---|---|---|---|---|
| Ameano Peptides Grade B+83/100 Passed trust floorProduct COA on fileTested Jul 23, 2025 · Janoshik Analytical · ref 72294 · purity 99.354% · batch TA10507122025-02 Lab-authored document · Lab site ↗ · SHA-256 729f7749c715… | $35$7 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Oros Research Grade B+81/100 Passed trust floorPick 1Product COA on fileTested Jun 23, 2026 · Ethos Analytics · ref 26EA0616-049 · purity 99% · batch OR-LPTA5-626-B2 Lab-authored document · SHA-256 a275c6f86957…1 older report on file for this product. | $39.99$8 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Alpha Peps Grade B+82/100 Passed trust floorProduct COA on fileTest date not printed · Freedom Diagnostics · ref R_P_A_1-B34 · batch 1784743994608 Vendor-hosted copy · SHA-256 142bf9d02fea… | $40$8 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| AIO Peptides Not enough information to gradeNot graded Below trust floorProduct COA on fileTested Aug 28, 2025 · Freedom Diagnostics · ref 2508270041 · purity 99.49% · batch AIOTA1000 Vendor-hosted copy · Lab site ↗ · SHA-256 4d98298c0a51… | $41.25$8.25 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| RUO Grade B75/100 Passed trust floorPick 2Product COA on fileTested Jul 14, 2026 · Chromate · ref 37001 · purity 99.435% · batch TA1002 Vendor-hosted copy · Lab site ↗ · SHA-256 f190438ef080… | $42$8.40 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Alpha Pro Peptides Grade B+82/100 Passed trust floorPick 3Product COA on fileTested Aug 20, 2026 · Freedom Diagnostics · ref 2608131145 · purity 99.47% · batch 0724 Vendor-hosted copy · Found on the product page by the weekly COA crawl · SHA-256 da0abdb4a60b…1 older report on file for this product. | $49.99$10 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Evolve Peptides Grade A-86/100 Passed trust floorProduct COA on fileTested Jan 21, 2026 · MZ Biolabs · batch 8201947365 Vendor-hosted copy · SHA-256 9fab7fafce21…2 older reports on file for this product. | $60$12 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
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Thymosin Alpha-1 5 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.