Steadfast Research Group Retatrutide vial on a travertine podium

Steadfast by name. Purity you can verify.

Advancing research with reliable, trustworthy, and accurately tested peptides.

Shop products COA on every batch

Weight & Metabolism

Compounds studied in metabolic and body-composition research.

AminoRT 10mg research vial
Weight & Metabolism

AminoRT 10mg

Retatrutide · 10 mg · lyophilized · purity verified by HPLC
$99.99
Selling fast
AminoRT 20mg research vial
Weight & Metabolism

AminoRT 20mg

Retatrutide · 20 mg · lyophilized · purity verified by HPLC
$199.99
AminoRT 30mg research vial
Weight & Metabolism

AminoRT 30mg

Retatrutide · 30 mg · lyophilized · purity verified by HPLC
$284.99
Tirzepatide 10mg research vial
Weight & Metabolism

Tirzepatide 10mg

10 mg · lyophilized · purity verified by HPLC
$69.99
Tirzepatide 20mg research vial
Weight & Metabolism

Tirzepatide 20mg

20 mg · lyophilized · purity verified by HPLC
$109.99
Tirzepatide 30mg research vial
Weight & Metabolism

Tirzepatide 30mg

30 mg · lyophilized · purity verified by HPLC
$149.99
Tesamorelin 5mg research vial
Weight & Metabolism

Tesamorelin 5mg

5 mg · lyophilized · purity verified by HPLC
$49.99
Tesamorelin 10mg research vial
Weight & Metabolism

Tesamorelin 10mg

10 mg · lyophilized · purity verified by HPLC
$89.99

Recovery & Repair

Compounds studied in tissue repair and recovery research.

KPV 10mg research vial
Recovery & Repair

KPV 10mg

10 mg · lyophilized · purity verified by HPLC
$49.99

Longevity & Cellular Health

Compounds studied in cellular aging and mitochondrial research.

GHK-Cu 50mg research vial
Longevity & Cellular Health

AminoGHK 50mg

GHK-Cu · 50 mg · lyophilized · purity verified by HPLC
$34.99
NAD+ 1000mg research vial
Longevity & Cellular Health

AminoN+ 1000mg

NAD+ · 1000 mg · lyophilized · purity verified by HPLC
$94.99
HGH 10IU research vial
Longevity & Cellular Health

HGH 10IU

10 IU · lyophilized · purity verified by HPLC
$39.99
MOTS-c 10mg research vial
Longevity & Cellular Health

MOTS-c 10mg

10 mg · lyophilized · purity verified by HPLC
$59.99
SS-31 10mg research vial
Longevity & Cellular Health

SS-31 10mg

10 mg · lyophilized · purity verified by HPLC
$49.99

Supplies

Reconstitution supplies for the bench.

Independently tested

HPLC and mass spectrometry on every batch.

COA available

Certificate of Analysis matched to your lot.

Cold storage

Held at temperature until picked for your order.

Discreet delivery

Plain, unbranded packaging with tracking.

Steadfast Research Group Retatrutide and Semaglutide vials on a marble surface
Fast Shipping

Ordered today, out the door fast.

Orders are processed and dispatched quickly — most ship within one business day. Inventory is held in cold storage until it is picked, then shipped in plain, unbranded packaging and tracked, with a tracking email the moment it leaves our facility.

Products

Research-grade peptides, every batch verified.

Independently tested · Certificate of Analysis on every batch · For laboratory research use only. Not for human consumption.