SLU-PP-332 Purity: 339 Lab Tests Across 166 Identified Manufacturers

5 studies on SLU-PP-332 curated from PubMed, ClinicalTrials.gov, and EuropePMC. Updated daily.

Bottom line: TitrateLab currently tracks 339 published third-party lab tests of SLU-PP-332 across 166 identified manufacturers. Among reports with a positive numeric purity result, the average is 98.93%. Within this published corpus, 4 positive purity results were below 90%, and 29 reports showed measured quantity more than 10% below the label claim. These are batch-level observations, not guarantees of product identity, safety, or vendor quality.

SLU-PP-332 average prices

As of 2026-09-03, vendor-blind retail asking-price averages for the US delivery market, calculated from the same in-stock exact-strength cells as the Peptide Price Index. Shipping is excluded.

Strength Average / vial Observed range / vial Average / mg Coverage
5 mg $14.50 $14.50–$14.50 $2.90 2 sources · 2 offers

Asking prices are not manufacturing cost and do not establish product equivalence, quality, safety, or legality. The refresh date is the catalog build date; individual source observation dates are not available in this snapshot. View full price methodology →

We tested 339 SLU-PP-332 batches across 166 identified manufacturers

Independent certificate-of-analysis evidence from third-party labs — the data behind the studies. Updated as new COAs are verified. Read the full grey-market analysis →

Within that total, 64 batches have unresolved manufacturer identity. They remain in corpus-level lab evidence and are excluded from named-manufacturer rankings.

98.93%
Avg purity
339
Batches tested
166
Identified manufacturers
4
Failed <90% purity
29
Underdosed >10%

Top 3 vendor evidence profiles for SLU-PP-332

Eligible vendors have at least 2 deduplicated tests and 2 classifiable identity observations. Rank uses the 95% lower confidence bound on clean identity results; mean positive purity and test count break ties. Missing measurements are not passes. Exact-zero/not-detected and explicit wrong-compound markers count once per adverse certificate. This describes tested batches, not every product or shipment, and is not an endorsement.

RankManufacturerTestsAvg positive purityIdentity adverse results
#1 7 99.55% 0 of 7 (0.0%) 0 0% / not detected · 0 wrong compound Reveal with Pro →
#2 7 99.23% 0 of 6 (0.0%) 0 0% / not detected · 0 wrong compound · 1 unclassified Reveal with Pro →
#3 10 99.85% 0 of 5 (0.0%) 0 0% / not detected · 0 wrong compound · 5 unclassified Reveal with Pro →

Manufacturer identities are included with Pro. Batch counts and lab measurements remain visible.

Recent certificates: #101017 (99.7%) · #99610 (99.57%) · #99820 (99.43%) · #100738 (99.34%) · #94636 (99.71%) · #80927 (99.65%)

SLU-PP-332 studies and clinical research

Research tools

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Reconstitution calculator Bac water, concentration & insulin-unit math Verify a COA Look up a report number against our corpus