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Head to head

Ascend Science vs Bench Grade Peptides

Ascend Science scores 90.5 of 100 against Bench Grade Peptides at 86.8. Ascend Science tests at an ISO/IEC 17025-accredited laboratory and Bench Grade Peptides does not.

Same rubric, same date · 82 certificates between them · 31 compounds in common

Ascend Science
90.5/100
Rank 6 of 56
Bench Grade Peptides
86.8/100
Rank 8 of 56
Score0–100 on the published rubric90.5 Extensively documented86.8 Extensively documented
Evidence coverageShare of scored fields sourced95%91%
Certificates on fileLot records this index read2953
Testing laboratoryKovera Labs and/or ILS LabsAV Analytics
ISO/IEC 17025Accredited—
Label accuracyMean gap, labeled vs assayed7.1%6.8%
Basket price% of the peer median83%100%
Enforcement recordActions on recordNone on recordNone on record
Discount code——

Price, compound by compound

30 priced on both

Price per milligram at each vendor’s own listed vial size. Ascend Science is cheaper on 23, Bench Grade Peptides on 7. The median column is the peer median across every vendor this index prices.

CompoundAscend ScienceBench Grade PeptidesMedian
5-Amino-1MQ$0.90$8.00$2.90
AOD-9604$9.10$21$11
ARA-290$4.90$5.00$5.50
BPC-157$4.90$3.90$5.50
Cagrilintide$5.95$13$10
CJC-1295$8.40$9.00$8.98
DSIP$7.00$8.60$7.00
Epithalon$3.85$4.20$3.92
GHK-Cu$0.45$0.38$0.59
Glutathione$0.04$0.05$0.05
Ipamorelin$4.90$3.90$6.20
Kisspeptin$3.85$9.70$5.12
KPV$4.55$4.80$5.00
LL-37$5.25$18$12
Melanotan I$3.85$4.60$4.10
Melanotan II$3.50$4.50$4.00
MOTS-c$4.55$4.70$4.70
NAD+$0.10$0.12$0.14
Pinealon$4.20$4.40$4.70
PT-141$4.20$4.60$4.50
Retatrutide$5.60$3.90$8.00
Selank$4.90$3.60$4.50
Semax$4.50$5.40$4.10
Sermorelin$5.00$5.10$7.20
SNAP-8$3.50$6.70$4.00
SS-31$5.25$8.00$5.40
TB-500$4.90$4.10$6.20
Tesamorelin$6.30$12$8.00
Thymosin Alpha-1$5.25$12$7.60
Tirzepatide$4.55$4.50$6.75

Which to pick

Pick Ascend Science if

you want the stronger documentation record of the two; an accredited testing laboratory matters to you; you want the cheaper basket overall; you buy mostly the compounds it prices lower.

Pick Bench Grade Peptides if

you want the deeper certificate history (53 lots).

Questions

Is Ascend Science or Bench Grade Peptides better?
Ascend Science scores 90.5 of 100 against Bench Grade Peptides at 86.8. Ascend Science tests at an ISO/IEC 17025-accredited laboratory and Bench Grade Peptides does not. Both figures come from the same published rubric over sourced data points, and each links to the document behind it.
Which of Ascend Science and Bench Grade Peptides is cheaper?
Across the 30 compounds both price, Ascend Science is cheaper on 23 and Bench Grade Peptides on 7. Price per milligram is compared at each vendor's own listed vial size.
Who tests Ascend Science and Bench Grade Peptides peptides?
Ascend Science: Kovera Labs and/or ILS Labs. Bench Grade Peptides: AV Analytics. A vendor-published certificate is recorded as a claim; only an independently commissioned assay counts as corroboration.
How many certificates do Ascend Science and Bench Grade Peptides publish?
Ascend Science has 29 lot-level certificates on file and Bench Grade Peptides has 53. Both counts are of certificates this index located and read, not of certificates claimed.

Both records were last re-verified on 2026-09-29 and 2026-09-15. 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.