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Head to head

Stealth Research Labs vs One Aminos

Stealth Research Labs scores 78.1 of 100 against One Aminos at 78, a gap narrow enough that either is defensible. One Aminos publishes more certificates: 27 against 10.

Same rubric, same date · 37 certificates between them · 10 compounds in common

Stealth Research Labs
78.1/100
Rank 10 of 58
One Aminos
78/100
Rank 11 of 58
Score0–100 on the published rubric78.1 Well documented78 Well documented
Evidence coverageShare of scored fields sourced87%85%
Certificates on fileLot records this index read1027
Testing laboratoryBioviridian Inc.United Laboratories
ISO/IEC 17025——
Label accuracyMean gap, labeled vs assayed2.8%7.3%
Basket price% of the peer median100%96%
Enforcement recordActions on recordNone on recordNone on record
Discount code——

Price, compound by compound

10 priced on both

Price per milligram at each vendor’s own listed vial size. Stealth Research Labs is cheaper on 2, One Aminos on 5. The median column is the peer median across every vendor this index prices.

CompoundStealth Research LabsOne AminosMedian
BPC-157$5.00$5.00$5.50
GHK-Cu$0.80$0.70$0.60
Melanotan I$4.50$3.50$4.10
Melanotan II$4.50$3.50$4.00
MOTS-c$5.50$6.00$5.50
NAD+$0.12$0.12$0.12
Retatrutide$7.00$7.00$7.20
Selank$4.00$3.50$4.20
Semax$4.00$3.50$4.00
Tirzepatide$4.50$5.00$6.50

Which to pick

Pick Stealth Research Labs if

you want the stronger documentation record of the two.

Pick One Aminos if

you want the deeper certificate history (27 lots); you want the cheaper basket overall; you buy mostly the compounds it prices lower.

Questions

Is Stealth Research Labs or One Aminos better?
Stealth Research Labs scores 78.1 of 100 against One Aminos at 78, a gap narrow enough that either is defensible. One Aminos publishes more certificates: 27 against 10. Both figures come from the same published rubric over sourced data points, and each links to the document behind it.
Which of Stealth Research Labs and One Aminos is cheaper?
Across the 10 compounds both price, Stealth Research Labs is cheaper on 2 and One Aminos on 5. Price per milligram is compared at each vendor's own listed vial size.
Who tests Stealth Research Labs and One Aminos peptides?
Stealth Research Labs: Bioviridian Inc.. One Aminos: United Laboratories. A vendor-published certificate is recorded as a claim; only an independently commissioned assay counts as corroboration.
How many certificates do Stealth Research Labs and One Aminos publish?
Stealth Research Labs has 10 lot-level certificates on file and One Aminos has 27. Both counts are of certificates this index located and read, not of certificates claimed.

Both records were last re-verified on 2026-10-03 and 2026-10-04. Every figure is computed from the same rubric over sourced data points; see the methodology or the full best peptide vendors ranking. Partner links are marked and cannot affect a score.