Same product. Comparable prices.
The lowest effective price in stock for a Thymosin Alpha-1 10 mg vial is $20 ($2 per mg) at RIVN Peptides, checked Oct 6, 2026, across 25 offers compared. 3 picks with a product COA on file.
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25 of 25 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.
2 displayed offers include a dated automatic promotion. Listed baselines and observed deal terms remain visible.
| Vendor and trust | Effective price | Stock record | Price checked | Product |
|---|---|---|---|---|
| RIVN Peptides Grade B+80/100 Passed trust floorVendor tests other products23 public reports from this vendor, none matched to this product. | $20$2 / mg effectiveAutomatic buy x get y free · pay $39.99 for 2 packages (1 ordered)Listed baseline $39.99 per package · promotion observed Oct 3, 202615% off · eligibility unconfirmedCode: The affiliate dashboard lists pepgrades15 as a 15% discount. Customer eligibility, product exclusions, minimums, and combination with the observed price are not established. No discount is included in the comparison. Complete pricing conditions are unconfirmed. Excluded from price calculations.Source: rivnresearch.com · Affiliate dashboard coupon table · /affiliates/. Code recorded Sep 16, 2026; terms reviewed Sep 21, 2026.A commission rate is not a shopper discount. Coupon use may attribute a purchase to PepGrades. | In stock when checked | Price recorded on this date | Product link unavailable |
| Bulk Peptide Supply Grade B+84/100 Passed trust floorVendor tests other products207 public reports from this vendor, none matched to this product. | $25$2.50 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Product link unavailable |
| Voltera Sciences Grade B+84/100 Passed trust floorPick 1Product COA on fileTested May 8, 2026 · ILS Laboratories · ref COA-2026-413216 · purity 99.82% · batch TA10-06152026 Lab-authored document · Lab site ↗ · SHA-256 4433542aa21a… | $41.99$4.20 / mg effectiveAutomatic percent off · pay $41.99 for 1 packages (1 ordered)Listed baseline $59.99 per package · promotion observed Oct 4, 2026 | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| GenPeptide Grade A-86/100 Passed trust floorVendor tests other products111 public reports from this vendor, none matched to this product. | $50$5 / mgBulk deal available in the bulk view · requires 17 packages ordered | 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 floorPick 2Product COA on fileTested Feb 22, 2026 · DNA Healthcare Solutions Vendor-hosted copy · SHA-256 a17e30b9fedf…2 older reports on file for this product. | $55$5.50 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| EZ Peptides Grade A-88/100 Passed trust floorPick 3Lab-verified COATested Jun 17, 2026 · Janoshik Analytical · ref 183214 · purity 99.679% · batch EZP-TA11006052026-04 Lab portal copy · Lab copy ↗ · SHA-256 b9a76cc0d9bc…1 older report on file for this product. | $58$5.80 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Puratek Peptides Grade A-85/100 Passed trust floorVendor tests other products101 public reports from this vendor, none matched to this product. | $59.95$6 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Forge Performance Co Grade A-87/100 Passed trust floorLab-verified COATested Jul 16, 2026 · Freedom Diagnostics · ref 2607140005 · purity 99.7% · batch Clear Pink Cap Lab portal copy · Lab copy ↗ · SHA-256 8bb9e53d13fc… | $60$6 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this dateLatest check unavailable; showing last observation (attempted Oct 6, 2026). | Check offer ↗PepGrades earns nothing from this link. |
| NuLife Peptides Grade B72/100 Passed trust floorVendor tests other products1 public report from this vendor, none matched to this product. | $60$6 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this dateLatest check unavailable; showing last observation (attempted Oct 6, 2026). | Check offer ↗PepGrades earns nothing from this link. |
| Peptide Plugs Grade A-88/100 Passed trust floorProduct COA on fileTested Jul 25, 2026 · Freedom Diagnostics · ref 2607220354 · purity 99.2% Vendor-hosted copy · Found on the product page by the weekly COA crawl · SHA-256 c080c94e0453…1 older report on file for this product. | $60$6 / mgBulk deal available in the bulk view · requires 3 packages ordered | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Southern Aminos Grade A-85/100 Passed trust floorVendor tests other products240 public reports from this vendor, none matched to this product. | $60$6 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Product link unavailable |
| Ameano Peptides Grade B+83/100 Passed trust floorLab-verified COATested Jun 17, 2026 · Janoshik Analytical · ref 183213 · purity 99.815% · batch AMP-TA11006052026-04 Lab portal copy · Lab copy ↗ · SHA-256 ba48c418f4b4…2 older reports on file for this product. | $62$6.20 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Glacier Aminos Grade B+83/100 Passed trust floorProduct COA on fileTested Nov 7, 2025 · Freedom Diagnostics · ref 2511050057 · batch TA10GA01 Lab-authored document · Lab site ↗ · SHA-256 0e44599abff1…2 older reports on file for this product. | $63.99$6.40 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| NextechLabs Grade C69/100 Below trust floorVendor tests other products71 public reports from this vendor, none matched to this product. | $65$6.50 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this dateLatest check unavailable; showing last observation (attempted Oct 6, 2026). | Check offer ↗PepGrades earns nothing from this link. |
| Oasis Peptides Grade B+81/100 Passed trust floorLab-verified COATested Jun 15, 2026 · Bioviridian · ref COA5286 · purity 99.9% · batch 112455 Lab portal copy · Lab copy ↗ · SHA-256 6aa8b8a2df35…1 older report on file for this product. | $65$6.50 / mgBulk deal available in the bulk view · requires 10 packages ordered | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Peptide Crafters Grade B+82/100 Passed trust floorVendor tests other products1138 public reports from this vendor, none matched to this product. | $65$6.50 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Product link unavailable |
| Polaris Peptides Grade A-88/100 Passed trust floorProduct COA on fileTested Dec 8, 2025 · Chromate · ref 30052 · purity 99.314% · batch POL-TA10-3-2 Vendor-hosted copy · Lab site ↗ · SHA-256 a870cbb3f0c4…2 older reports on file for this product. | $65$6.50 / mg | 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 floorVendor tests other products61 public reports from this vendor, none matched to this product. | $69.99$7 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Orbitrex Peptides Grade A-85/100 Passed trust floorVendor tests other products163 public reports from this vendor, none matched to this product. | $69.99$7 / mgDeal not verified · listed price shown | Out of stock when checked | Price recorded on this date | Product link unavailable |
| Ascension Peptides Grade A-87/100 Passed trust floorProduct COA on fileTested May 23, 2026 · Kovera Labs · ref KVR-2026-EC402A · purity 99.394% · batch 33-05260628 Lab-authored document · Lab site ↗ · SHA-256 9b1b2ffb3c9d…2 older reports on file for this product. | $71$7.10 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Amino Amigos Grade B+84/100 Below trust floorProduct COA on fileTested Jan 8, 2024 · Janoshik Analytical · ref 37249 · purity 99.297% · batch TYA1.A24B Vendor-hosted copy · Lab site ↗ · SHA-256 778e6e2d7be4… | $75$7.50 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Product link unavailable |
| Skye Peptides Not enough information to gradeNot graded Below trust floorProduct COA on fileTested Jun 22, 2026 · TrustPointe Analytics · batch TA1C26-16-001 Vendor-hosted copy · Lab site ↗ · SHA-256 120303d582d2…2 older reports on file for this product. | $79$7.90 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this dateLatest check unavailable; showing last observation (attempted Oct 6, 2026). | Product link unavailable |
| Simple Peptide Grade B79/100 Passed trust floorLab-verified COATested May 14, 2026 · Freedom Diagnostics · ref 2605120129 · purity 99.61% · batch THYMA10-052026-7 Vendor-hosted copy · Lab site ↗ · SHA-256 ce4333195c75…2 older reports on file for this product. | $86$8.60 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this dateLatest check unavailable; showing last observation (attempted Oct 6, 2026). | Check offer ↗PepGrades earns nothing from this link. |
| Paramount Peptides Grade B78/100 Passed trust floorLab-verified COATested Jun 26, 2026 · Accumark Labs · batch AC5N-Z58C Vendor-hosted copy · Lab site ↗ · SHA-256 1bf8397f32ef…1 older report on file for this product. | $97.75$9.78 / mg | In stock when checked | Price recorded on this date | Product link unavailable |
| Biolongevity Labs Grade B78/100 Passed trust floorProduct COA on fileTested Nov 20, 2025 · BioRegen · ref BIOLABS2010 · purity 99.91% · batch 30-3-45965 Vendor-hosted copy · Lab site ↗ · SHA-256 b8077725e979…2 older reports on file for this product. | $129.97$13 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
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Thymosin Alpha-1 10 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.