Claims vs COA / Oasis Labs
Oasis Labs: claims vs COA
No site-wide purity promise found on the website. Vial content is still checked against the label.
113
certificates read
36 / 59
vials outside ±3% of label
9
beyond ±10% (major)
—
below advertised purity
| Product | Label → measured | Purity | Main impurity | Lab | COA |
|---|---|---|---|---|---|
| COA3255.pdf | 5mg → 6.18mg Overfilled +23.6% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA3256.pdf | 5mg → 5.68mg Overfilled +13.6% | 99.7% | 0.30% not itemised | bioviridian | Open |
| COA3261.pdf | 10mg → 11.43mg Overfilled +14.3% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA3259.pdf | 10mg → 11.19mg Overfilled +11.9% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA3740.pdf | 10mg → 11.17mg Overfilled +11.7% | 98.8% | 1.20% not itemised | bioviridian | Open |
| COA3741.pdf | 10mg → 12.03mg Overfilled +20.3% | 98.8% | 1.20% not itemised | bioviridian | Open |
| COA5288.pdf | 5mg → 5.61mg Overfilled +12.2% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5302.pdf | 5mg → 5.84mg Overfilled +16.8% | 99.8% | 0.20% not itemised | bioviridian | Open |
| IGF-1-LR3 | 1mg → 1.12mg Overfilled +12.0% | 99.1% | 0.90% not itemised | — | Open |
| COA3250.pdf | 10mg → 10.82mg Over label +8.2% | 99.7% | 0.30% not itemised | bioviridian | Open |
| COA3252.pdf | 5mg → 5.42mg Over label +8.4% | 99.7% | 0.30% not itemised | bioviridian | Open |
| COA3258.pdf | 5mg → 5.33mg Over label +6.6% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA3262.pdf | 10mg → 10.53mg Over label +5.3% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA3739.pdf | 5mg → 5.27mg Over label +5.4% | 98.9% | 1.10% not itemised | bioviridian | Open |
| COA5272.pdf | 10mg → 10.33mg Over label +3.3% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5275.pdf | 15mg → 15.67mg Over label +4.5% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5278.pdf | 10mg → 10.81mg Over label +8.1% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5281.pdf | 5mg → 5.16mg Over label +3.2% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5282.pdf | 10mg → 10.82mg Over label +8.2% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5289.pdf | 10mg → 10.44mg Over label +4.4% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5291.pdf | 10mg → 10.53mg Over label +5.3% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5293.pdf | 5mg → 5.28mg Over label +5.6% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5294.pdf | 10mg → 10.71mg Over label +7.1% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5295.pdf | 10mg → 10.57mg Over label +5.7% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5301.pdf | 5mg → 5.37mg Over label +7.4% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5303.pdf | 5mg → 5.27mg Over label +5.4% | 99.3% | 0.70% not itemised | bioviridian | Open |
| COA5305.pdf | 5mg → 5.27mg Over label +5.4% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5306.pdf | 10mg → 10.46mg Over label +4.6% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5307.pdf | 10mg → 10.67mg Over label +6.7% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5311.pdf | 10mg → 10.82mg Over label +8.2% | 99.7% | 0.30% not itemised | bioviridian | Open |
| COA5313.pdf | 5mg → 5.47mg Over label +9.4% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5314.pdf | 10mg → 10.32mg Over label +3.2% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5316.pdf | 10mg → 10.57mg Over label +5.7% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5317.pdf | 10mg → 10.48mg Over label +4.8% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5318.pdf | 10mg → 10.37mg Over label +3.7% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5320.pdf | 5mg → 5.23mg Over label +4.6% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA3098.pdf | 10mg → 10.27mg On label +2.7% | — | — | bioviridian | Open |
| COA3248.pdf | 60mg → 60.81mg On label +1.4% | 99.7% | 0.30% not itemised | bioviridian | Open |
| COA3251.pdf | Not measured | 99.7% | 0.30% not itemised | bioviridian | Open |
| COA3253.pdf | Not measured | 99.7% | 0.30% not itemised | bioviridian | Open |
| COA3254.pdf | 50mg → 50.96mg On label +1.9% | 99.7% | 0.30% not itemised | bioviridian | Open |
| COA3257.pdf | 10mg → 10.23mg On label +2.3% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA3260.pdf | Not measured | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA3263.pdf | 100mg → 101.25mg On label +1.3% | 99.7% | 0.30% not itemised | bioviridian | Open |
| COA3738.pdf | 1000mg → 1003.67mg On label +0.4% | 98.8% | 1.20% not itemised | bioviridian | Open |
| COA3742.pdf | Not measured | 98.8% | 1.20% not itemised | bioviridian | Open |
| COA5271.pdf | 40mg → 40.61mg On label +1.5% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5273.pdf | 60mg → 60.27mg On label +0.5% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5274.pdf | 40mg → 40.51mg On label +1.3% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5276.pdf | Not measured | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5277.pdf | Not measured | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5279.pdf | 5mg → 5.13mg On label +2.6% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5280.pdf | 50mg → 50.35mg On label +0.7% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5283.pdf | 20mg → 20.36mg On label +1.8% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5284.pdf | 30mg → 30.22mg On label +0.7% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5285.pdf | 100mg → 100.44mg On label +0.4% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5286.pdf | 10mg → 10.2mg On label +2.0% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5287.pdf | Not measured | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5290.pdf | 10mg → 10.13mg On label +1.3% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5292.pdf | Not measured | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5296.pdf | 1000mg → 1002.18mg On label +0.2% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5297.pdf | 500mg → 501.39mg On label +0.3% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5298.pdf | 50mg → 50.36mg On label +0.7% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5299.pdf | 60mg → 60.59mg On label +1.0% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5300.pdf | 10mg → 10.27mg On label +2.7% | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5304.pdf | — → 5.27mg Not checked | 99.8% | 0.20% not itemised | bioviridian | Open |
| COA5308.pdf | Not measured | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5309.pdf | 10mg → 10.27mg On label +2.7% | 99.9% | 0.10% not itemised | bioviridian | Open |
| COA5310.pdf | 1500mg → 1503.64mg On label +0.2% | 99.7% | 0.30% not itemised | bioviridian | Open |
| COA5312.pdf | Not measured | 99.7% | 0.30% not itemised | bioviridian | Open |
| COA5315.pdf | — → 1.32mg Not checked | 99.6% | 0.40% not itemised | bioviridian | Open |
| COA5319.pdf | Not measured | 99.9% | 0.10% not itemised | — | Open |
| AOD 9604 | Not measured | 99.9% | 0.10% not itemised | — | Open |
| BPC-157 | Not measured | 99.64% | 0.36% not itemised | — | Open |
| BPC-157 | Not measured | 99.89% | 0.11% not itemised | — | Open |
| CAS Lot / | Blend, per-component content not listed | 99.71% | 0.29% not itemised | — | Open |
| CAS Lot / | Blend, per-component content not listed | 99.74% | 0.26% not itemised | — | Open |
| CAS Lot / | Blend, per-component content not listed | 99.34% | 0.66% not itemised | — | Open |
| CAS Lot / | Blend, per-component content not listed | 99.42% | 0.58% not itemised | — | Open |
| CAS Lot / | Blend, per-component content not listed | 99.18% | 0.82% not itemised | — | Open |
| CAS Lot / | Blend, per-component content not listed | 99.06% | 0.94% not itemised | — | Open |
| CAS Lot / | Blend, per-component content not listed | 99.63% | 0.37% not itemised | — | Open |
| CAS Lot / | Blend, per-component content not listed | 99.27% | 0.73% not itemised | — | Open |
| CAS Lot / | Blend, per-component content not listed | 99.51% | 0.49% not itemised | — | Open |
| CAS Lot / | Blend, per-component content not listed | 99.28% | 0.72% not itemised | — | Open |
| CJC-1295 DAC | Not measured | 99.85% | 0.15% not itemised | — | Open |
| CJC-1295/Ipamorelin | Blend, per-component content not listed | 99.9% | 0.10% not itemised | — | Open |
| Cagrilintide | Not measured | 99.92% | 0.08% not itemised | — | Open |
| DSIP | Not measured | 99.45% | 0.55% not itemised | — | Open |
| Epithalon (Epitalon) | Not measured | 99.82% | 0.18% not itemised | — | Open |
| GHK Copper | Not measured | 99.88% | 0.12% not itemised | — | Open |
| GHK-Cu | Not measured | 99.82% | 0.18% not itemised | — | Open |
| GHK-Cu (Sample Reference) | Not measured | 99.21% | 0.79% not itemised | — | Open |
| GLOW Blend | Blend, per-component content not listed | 99.63% | 0.37% not itemised | — | Open |
| Ipamorelin | Not measured | 99.9% | 0.10% not itemised | — | Open |
| KLOW Blend | Blend, per-component content not listed | 99.89% | 0.11% not itemised | — | Open |
| MOTS-c | Not measured | 99.89% | 0.11% not itemised | — | Open |
| MOTS-c | Not measured | 99.88% | 0.12% not itemised | — | Open |
| Melanotan II | Not measured | 99.9% | 0.10% not itemised | — | Open |
| NAD+ | Not measured | 99.89% | 0.11% not itemised | — | Open |
| PT-141 | Not measured | 99.84% | 0.16% not itemised | — | Open |
| Retatrutide | Not measured | 99.41% | 0.59% not itemised | — | Open |
| Retatrutide | Not measured | 99.9% | 0.10% not itemised | — | Open |
| Retatrutide | Not measured | 99.91% | 0.09% not itemised | — | Open |
| Retatrutide | Not measured | 99.88% | 0.12% not itemised | — | Open |
| Retatrutide | Not measured | 99.9% | 0.10% not itemised | — | Open |
| Selank | Not measured | 99.9% | 0.10% not itemised | — | Open |
| Selank/Semax Blend | Blend, per-component content not listed | 99.87% | 0.13% not itemised | — | Open |
| Semax | Not measured | 99.85% | 0.15% not itemised | — | Open |
| Tesamorelin | Not measured | 99.89% | 0.11% not itemised | — | Open |
| Tesamorelin/Ipamorelin Blend | Blend, per-component content not listed | 99.82% | 0.18% not itemised | — | Open |
| Thymoisin Beta 4 | Not measured | 99.87% | 0.13% not itemised | — | Open |
| Thymosin Alpha-1 | Not measured | 99.92% | 0.08% not itemised | — | Open |
How this is checked
- Vial content. Measured net peptide content against the size on the label. Within ±3% is on label, 3–10% is off label, beyond ±10% is a major deviation (under- or overfilled). When a certificate weighs several vials of the batch, the vial farthest from the label is the one judged, and with several purity results the lowest counts. Blends are only checked when the certificate lists each component.
- Purity. HPLC purity on each certificate against the purity the supplier promises site-wide on its own website. Up to 1 point below the claim is amber, more than that is red. Only a direct promise counts (“99%+ purity guaranteed”); explanations of what purity means, one product's figure and page code are not treated as a claim. A certificate that reports only a bound (“>99%”) is judged only when the bound meets the claim, and a specification line is never read as a result.
- Whose certificate. A certificate is only read once our client-identity review has looked at it, and one issued to a different company is left out — whether the automatic check or a manual review found it. A certificate issued to the company that runs the supplier's own website counts as the supplier's. A file hosted on another supplier's website is not counted for this one. The same rules decide which certificates appear on supplier and product pages. Only peptide certificates are read: bacteriostatic water, acetic acid and other diluents are left out, and so are product data sheets, which state a specification rather than a batch result.
- Main impurity. Shown when the certificate itemises it: a named impurity (TFA, deletion sequence, oxidation…) or the largest secondary peak in the HPLC peak table. Most certificates report only a purity figure, so the rest of the sample is not itemised.
- Trust Score. These checks are 10 of the 25 Transparency points: vial content 7 (full credit within ±3%, half up to ±10%, none beyond, over- and underfilled alike), purity 3 (98% is the bar when a supplier advertises no figure). Fewer than 5 readable results gives half credit rather than a guess.
- These are the supplier's own published certificates, read automatically from the PDF or image. Janoshik results tables are read twice from the image, cell by cell, and a figure the two readings disagree on is left out rather than guessed. A certificate covers one batch on one date. We have not tested these batches ourselves.