Same product. Comparable prices.
The lowest effective price in stock for a Cartalax 20 mg vial is $25 ($1.25 per mg) at Bulk Peptide Supply, checked Oct 6, 2026, across 17 offers compared. 3 picks with a product COA on file.
Prices checked
Focused price comparison
Prices are recorded observations for the same product. Confirm the price and availability with the vendor before buying.
17 of 17 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 |
|---|---|---|---|---|
| Bulk Peptide Supply Grade B+84/100 Passed trust floorPick 1Product COA on fileTested Jan 7, 2026 · MDx BioAnalytical Laboratory · ref COA260064 · purity 99.72% · batch CR6388500 Lab-authored document · Lab site ↗ · SHA-256 66b2de3a8ba1…1 older report on file for this product. | $25$1.25 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Blue Ridge Peptides Grade B+83/100 Passed trust floorPick 2Product COA on fileTested Aug 9, 2026 · Kovera Labs · ref KVR-2026-9E4ED2 · purity 99.592% · batch BRP-268-LAX20 Lab-authored document · Lab site ↗ · SHA-256 b5b3d04247f5… | $40$2 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| RUO Grade B75/100 Passed trust floorPick 3Lab-verified COATested Feb 13, 2026 · Janoshik Analytical · ref 107247 · purity 99.908% Lab portal copy · Lab copy ↗ · SHA-256 8336d85bacbf… | $40$2 / 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 floorProduct COA on fileTested Jul 26, 2026 · Ethos Analytics · ref 26EA0713-030 · purity 99% · batch OR-CTX20-726-B2 Lab-authored document · Lab site ↗ · SHA-256 96ab9009cb34…1 older report on file for this product. | $49.99$2.50 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Peptide Plugs Grade A-88/100 Passed trust floorProduct COA on fileTested Aug 13, 2026 · Freedom Diagnostics · ref 2608110006 · purity 99.94% · batch 101450-DK Vendor-hosted copy · SHA-256 450bc0cad77e… | $50$2.50 / 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. |
| AIO Peptides Not enough information to gradeNot graded Below trust floorProduct COA on fileTested Oct 26, 2025 · Freedom Diagnostics · ref 2510230037 · purity 99.633% · batch AIOCL201000 Vendor-hosted copy · Lab site ↗ · SHA-256 c3b01e3c7c3e… | $51.75$2.59 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Panda Peptides Grade B+83/100 Passed trust floorVendor tests other products66 public reports from this vendor, none matched to this product. | $54.99$2.75 / mgDeal not verified · listed price shown | Out of stock when checked | Price recorded on this date | Product link unavailable |
| Orbitrex Peptides Grade A-85/100 Passed trust floorVendor tests other products163 public reports from this vendor, none matched to this product. | $59.99$3 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | 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$3 / 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. |
| Swiss Chems Grade C66/100 Below trust floorVendor tests other products97 public reports from this vendor, none matched to this product. | $61.95$3.10 / 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 floorProduct COA on fileTested Jul 22, 2026 · Vanguard Laboratory · ref V260706-2 017 · purity 99.5% · batch C73561 Lab-authored document · SHA-256 c7bbc7930c24…2 older reports on file for this product. | $63$3.15 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Coffee and Peppers Grade B78/100 Passed trust floorVendor tests other products64 public reports from this vendor, none matched to this product. | $64.99$3.25 / 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 |
| Peptides 4 Research Not enough information to gradeNot graded Below trust floorProduct COA on fileTested Feb 11, 2026 · BioAnalytical Laboratory, Inc. · ref QC260541 · purity 99.76% · batch 260203CX203 Vendor-hosted copy · Lab site ↗ · SHA-256 ac311e1217cc… | $65$3.25 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Product link unavailable |
| Glacier Aminos Grade B+83/100 Passed trust floorProduct COA on fileTested Dec 6, 2025 · Freedom Diagnostics · ref 2512030053 · purity 99.455% · batch CLX20GA01 Lab-authored document · Lab site ↗ · SHA-256 2a24049c191d… | $67.99$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. |
| Biolongevity Labs Grade B78/100 Passed trust floorProduct COA on fileTested Nov 19, 2025 · BioRegen · ref BL-ENDO-251911-167 · batch 35-3-45958 Vendor-hosted copy · Lab site ↗ · SHA-256 a58efd84b915…2 older reports on file for this product. | $69.97$3.50 / mgDeal not verified · listed price shown | Out of stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Rescue Research Grade B78/100 Passed trust floorProduct COA on fileTested Aug 31, 2026 · Freedom Diagnostics · purity 99.68% · batch RR-CX-2608 Vendor-hosted copy · Lab site ↗ · SHA-256 0cd7fbc7deb7… | $69.99$3.50 / mgDeal not verified · listed price shown | Out of stock when checked | Price recorded on this date | Product link unavailable |
| Ion Peptides Grade B78/100 Passed trust floorProduct COA on fileTested May 29, 2026 · ILS Laboratories · ref A6gh9AwrrE3VHIP3 · purity 99.43% · batch CX20-05162026 Vendor-hosted copy · Lab site ↗ · SHA-256 5072a21118b3…2 older reports on file for this product. | $79$3.95 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Product link unavailable |
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Cartalax 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.