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Head-to-Head · 2026

Blue Sky Peptide vs Science.bio

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

Higher PVS51PVS
Blue Sky Peptide

UK · 99.1% reported purity · 116+ CoAs

PepAssure VerifiedFull Blue Sky Peptide report
15PVS
Science.bio

USA · 99.2% reported purity · 73+ CoAs

PepAssure VerifiedFull Science.bio report

The short answer

Blue Sky Peptide currently holds the higher Peptide Verification Score — 51/100 vs 15/100 for Science.bio. 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

Blue Sky Peptide (left) vs Science.bio (right) — green marks the stronger pillar. “—” means insufficient data.

85Purity86
83CoA84
82Sentiment82
40Transparency80
85Experience83

At a glance

MetricBlue Sky PeptideScience.bio
PVS score51/100★15/100
Reported purity99.1%99.2%★
CoAs on file116★73
Sentiment82%82%
Last tested4 months ago4 months ago
LabJanoshikJanoshik
Price tier$$
CategoryIpamorelinTirzepatide
Shipping3-5 days5-7 days
LocationUKUSA

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