vialaudit
The Roundup

affiliate disclosure · We earn affiliate commission on some vendor links. Audits, scores, and rankings are independent — vendors do not pay for placement and do not see drafts. read more →

vendor matchup · audited

BioTech Peptides vs Loti Labs

Two audits, side by side. Composite, subscores, shipping, payment, coupons. BioTech Peptides takes the higher composite this cycle.

§ 01

Composite score

biotech-peptides

BioTech Peptides

76/100

Established US-domestic peptide synthesizer with a substantial catalog and same-day shipping. COA practices are the open question — testing is claimed in marketing copy but not surfaced on product pages or a public lab-results route. Public-data preview; first-hand audit pending.

Read full audit →
vs
loti-labs

Loti Labs

70/100

US peptide vendor (Sterling Path LLC) carrying retatrutide, tirzepatide, semaglutide plus healing peptides. Same-day shipping, four payment methods. Lab identity not named.

Read full audit →
§ 02

Subscore breakdown

metricBioTech PeptidesLoti Labs
composite
weighted avg
●76/10070/100○
purity / coa
●68/10058/100○
shipping
domestic days
·3.0d3.0d·
pricing
●82/10076/100○
support
●74/10070/100○
last tested
·2026-05-082026-05-20·
payment
·crypto, cardcard, crypto, ach·
§ 03

Catalog overlap

only biotech-peptides
ghk-cunad-plustesamorelinaod-9604
both
bpc-157tb-500mots-c
only loti-labs
retatrutidetirzepatidesemaglutidecagrilintidecjc-1295ipamorelinmk-677epithalon
read next

Other matchups

vendor matchupAscension Peptides vs BioTech Peptides84/100 · 76/100vendor matchupAscension Peptides vs Loti Labs84/100 · 70/100vendor matchupBioTech Peptides vs Limitless Life Nootropics76/100 · 91/100
the roundup · monthly

Receipts in your inbox. Once a month.

New audits, expired coupons pruned, lab notes from vials still on the bench. No marketing. No lifestyle copy. Unsubscribe in one click.

14,200 subscribers· 0 sponsored items· 11 issues since launch