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Head-to-Head · 2026

BioLongevity Labs vs Sigma Peptides

Independent side-by-side comparison — PVS scores, lab-verified purity, CoA coverage, and community sentiment. Rankings based solely on data; no paid placements, ever.

43PVS
BioLongevity Labs

USA

Full BioLongevity Labs report
43PVS
Sigma Peptides

UK

Full Sigma Peptides report

The short answer

BioLongevity Labs and Sigma Peptides are currently tied at 43/100. The pillar breakdown below shows where each vendor earns (or loses) points across purity testing, CoA verification, community sentiment, transparency, and order experience — see the scoring methodology for how the PVS is computed.

Pillar-by-pillar breakdown

BioLongevity Labs (left) vs Sigma Peptides (right) — green marks the stronger pillar. “—” means no data: that pillar counts as 0 in the vendor's PVS. Its published weight stays in the total and is not given to the pillars that were measured.

95Purity72
78CoA72
—Sentiment—
—Transparency—
—Experience—

At a glance

MetricBioLongevity LabsSigma Peptides
PVS score43/10043/100
Reported purity——
CoAs on file00
Sentiment——
Last tested1 month ago8 months ago
Lab——
Price tier——
CategoryMOTS-cDSIP
Shipping2-4 days5-7 days
LocationUSAUK

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Rankings based solely on data. No paid placements — ever.