GLP-1 / Metabolic

Retatrutide

Also known as: Retatrutide (LY3437943 — GLP-1/GIP/Glucagon triple agonist)

Retatrutide (Eli Lilly code LY3437943) is an investigational triple-receptor agonist simultaneously targeting GLP-1, GIP, and glucagon receptors. It is research-only and NOT FDA-approved as of April 2026; the Phase 3 TRIUMPH program is ongoing with anticipated NDA filing in 2026. Published Phase 2 data showed roughly 24% mean body weight loss at 48 weeks on 12 mg weekly (Jastreboff, NEJM 2023).

Vendors carrying Retatrutide

0 listings, ranked by trust score

Each row is a (vendor, peptide) pair. Click through for the listing detail, the vendor's full trust profile, and any COAs they've published.

No vendors carrying this peptide are indexed yet.

Independent evidence

COAs for Retatrutide

224 third-party tests across 35 vendors. Each card links to the full report.

All 224 COAs for Retatrutide →
99.53 %
May 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Prime Peptides· batch 4032026RT

99.20 %
May 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Prime Peptides· batch 3302026RT

99.97 %
May 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Skye Peptides· batch RET26-12-004

99.85 %
May 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Skye Peptides· batch RET26-24-003

99.63 %
Apr 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Skye Peptides· batch RET26-12-003

99.80 %
Apr 2026
Bioviridian · HPLC

For

Retatrutide

by Prime Peptides· batch 3202026RT

99.80 %
Apr 2026
Bioviridian · HPLC

For

Retatrutide

by Prime Peptides· batch 3172026RT

99.94 %
Apr 2026
Janoshik Analytical · HPLC

For

Retatrutide

by MJT peptides· batch cmojgqr2x00089grxxqeujfbs

99.90 %
Apr 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Skye Peptides· batch RET26-12-002

99.82 %
Apr 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Hkuppeptide· batch 2026

99.82 %
Apr 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Peptiatlas· batch 2026

99.82 %
Apr 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Taikangbio· batch 2026

99.82 %
Apr 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Taishijie· batch 2026

99.82 %
Apr 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Vicopeptide· batch 2026

99.82 %
Apr 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Zjpeptix· batch 2026

99.78 %
Apr 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Peptidegurus· batch cmojgr961002x9grxpliok88f

99.22 %
Apr 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Peptidegurus· batch cmojgr3th00249grxwp4haq8g

99.00 %
Apr 2026
Ethos Analytics · HPLC

For

Retatrutide

by OROS Research· batch OR-LPGLPR10-326-B2

99.89 %
Apr 2026
Freedom Diagnostics · HPLC

For

Retatrutide

by Blank Peptides· batch 665394

99.61 %
Apr 2026
ILS Labs · HPLC

For

Retatrutide

by Crush Research· batch CR-3XAG14-2604-1

99.73 %
Mar 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Cocer Peptides· batch CS-re10-0309

99.48 %
Mar 2026
Janoshik Analytical · HPLC

For

Retatrutide

by SH Peptide Ltd· batch cmojgqrob000c9grxvrqulv4l

99.95 %
Mar 2026
Kovera Labs · HPLC

For

Retatrutide

by Glacier Aminos· batch RET20GA-02

99.83 %
Mar 2026
Janoshik Analytical · HPLC

For

Retatrutide

by Skye Peptides· batch RET26-24-002