Lab report (Certificate of Analysis, COA)

KLOW Blend · 80 mg

Batch 1673 · tested May 6, 2026 (153 days ago) · released May 25, 2026 Discontinued variant

All tests passed

Batch: #1673 15 tests
Mass: 80 mg
Purity: >99.50%
Issuing lab accreditation: Vanguard · ISO 17025:2017 / A2LA #6377.01.01

3 units tested for purity, each printed >99.50% · net peptide content · ghk-cu 52.64 / 54.11 / 53.22 mg · net peptide content · bpc-157 10.40 / 10.74 / 10.48 mg · net peptide content · tb-500 10.60 / 10.94 / 10.72 mg · net peptide content · kpv 10.71 / 10.95 / 10.76 mg

Conformity: Units agree — every reported unit passed on all 13 test rows · purity spread at most 0.50 pt within the house limit · content spread (GHK-Cu) 2.8% within the house limit · content spread (BPC-157) 3.2% within the house limit · content spread (TB-500) 3.2% within the house limit · content spread (KPV) 2.2% within the house limit · QA approval corroborates: Vanguard Laboratory, Tori Johnson, Operations Manager, 2026-05-06

Vanguard · issuing labEagle Analytical · sterility

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Laboratory ID V260421-13 003

Reports for this lot

Vanguard Laboratory this report · tested May 6, 2026 · 13 results · QA approvalVanguard · issuing labEagle Analytical · sterilityAll tests passed

Test by test

13 results on the report · 6 rows computed from the per-unit values · 2 labs · each test used up to 5 vials from this lot (rows are not added together) · every row names the chapter or house rule it follows

✓PurityWithin limits

>99.50, >99.50, >99.50 · 3 units · USP <621> (procedural chapter)

✓Purity consistency between unitsWithin house limit

3 units, each above 99.50% (the lab's reporting bound) · units differ by at most 0.50 pt · house limit · caution past 0.50 pt, outside past 1.00 pt · per-unit USP <621> results

✓Net peptide content (assay) · GHK-CuWithin limits

avg 53.32 mg · 3 units · USP <621> (procedural chapter)

✓Net peptide content (assay) · BPC-157Within limits

avg 10.54 mg · 3 units · USP <621> (procedural chapter)

✓Net peptide content (assay) · TB-500Within limits

avg 10.75 mg · 3 units · USP <621> (procedural chapter)

✓Net peptide content (assay) · KPVWithin limits

avg 10.81 mg · 3 units · USP <621> (procedural chapter)

✓Content consistency between units · GHK-CuWithin house limit

3 units: 52.64 / 54.11 / 53.22 mg · spread 1.47 mg, 2.8% of the mean · house check · caution past 5%, outside past 10% · USP <905> is the compendial reference for between-unit uniformity (10 units; not claimable on 3)

✓Content consistency between units · BPC-157Within house limit

3 units: 10.40 / 10.74 / 10.48 mg · spread 0.34 mg, 3.2% of the mean · house check · caution past 5%, outside past 10% · USP <905> is the compendial reference for between-unit uniformity (10 units; not claimable on 3)

✓Content consistency between units · TB-500Within house limit

3 units: 10.60 / 10.94 / 10.72 mg · spread 0.34 mg, 3.2% of the mean · house check · caution past 5%, outside past 10% · USP <905> is the compendial reference for between-unit uniformity (10 units; not claimable on 3)

✓Content consistency between units · KPVWithin house limit

3 units: 10.71 / 10.95 / 10.76 mg · spread 0.24 mg, 2.2% of the mean · house check · caution past 5%, outside past 10% · USP <905> is the compendial reference for between-unit uniformity (10 units; not claimable on 3)

✓Heavy metalsWithin limits

all non-detect · 2 units · dose-scaled limits derived from USP <232> (limits chapter)

✓Residual solventsWithin limits

all non-detect · 1 unit · USP <467> (procedural chapter)

✓Trifluoroacetic acidWithin limits

all non-detect · 1 unit · house limit · ion chromatography, the lab's method; no compendial chapter for the method run · limit <0.10% (the lab's)

✓EndotoxinsPass

3 of 3 pass · 3 units · USP <85> (procedural chapter)

✓Container closurePass

3 of 3 pass · 3 units · USP <1207> (informational chapter (1000-series))

✓SolubilityPass

3 of 3 pass · 3 units · house check · no compendial chapter

✓SterilityPass

5 of 5 pass · 5 units · USP <71> (procedural chapter)

✓SterilityPass

1 of 1 pass · 1 unit · USP <71> (reference) · a rapid viability test used as an alternative to the USP <71> growth test; USP <1223> is the validation framework (informational chapter) · at Eagle Analytical

✓ConformityUnits agree

every reported unit passed on all 13 test rows · purity spread at most 0.50 pt within the house limit · content spread (GHK-Cu) 2.8% within the house limit · content spread (BPC-157) 3.2% within the house limit · content spread (TB-500) 3.2% within the house limit · content spread (KPV) 2.2% within the house limit · QA approval corroborates: Vanguard Laboratory, Tori Johnson, Operations Manager, 2026-05-06 · house check · agreement across all tests, unit to unit; QA approval corroborates

A chapter number names the method or limit a result follows; it does not describe the product. Chapters below 1000 are procedures or limits; 1000-series chapters are informational. USP <905> is the compendial test for between-unit uniformity: it assays 10 units, so a 3-unit certificate cannot yield its acceptance value — the content row is a house check with <905> named as the reference only.

Certificate PDF — Lot 1673

Signed third-party lab report.

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