Price index / HGH Fragment 176-191
Weight-loss

HGH Fragment 176-191

Also known as hgh 176-191

CAS 66004-57-7 Also sold as HGH 176-191, Frag 176-191, Fragment 176-191

A weight-loss research peptide. Current market pricing by vial size, and vendor listings as they are verified.

For research use only. Not for human consumption. No health, dosing, or usage claims are made.

What HGH Fragment 176-191 is

HGH Fragment 176-191 is a synthetic peptide corresponding to the C-terminal region of human growth hormone. It is not an FDA-approved drug and is sold only as a research chemical.

Type15 amino acids (C-terminal hGH fragment)
Molecular formulaC78H123N23O22S2
Molecular weight1799.1 g/mol
CAS number66004-57-7
PubChem CID16131230 ↗
Amino-acid sequencePhe-Leu-Arg-Ile-Val-Gln-Cys-Arg-Ser-Val-Glu-Gly-Ser-Cys-Gly (cyclic 7-14 disulfide)
CategoryWeight-loss

This is the C-terminal fragment of human growth hormone (residues 176-191); on-file CAS 66004-57-7 matches PubChem. It differs from AOD-9604, which carries an extra N-terminal tyrosine.

Regulatory status: As of 2026, HGH Fragment 176-191 is not FDA-approved for any use and is not listed on the FDA 503A Category 2 bulk-substances list.

Vial price (low)
$30
Vial price (high)
$100
Vial sizes
5, 10 mg
Vendors listing
Verified

Price by vial size

sourced market ranges · Jul 2026
5 mg vial
$30–$65
10 mg vial
$50–$100

Typical vendor vial prices, Jul 2026. Exact prices load with verified listings.

Compare vendors

vendor prices · lowest first
VendorVial priceCoupon
Simple Peptide
$0.05Best View vendor ›
Precision Research Peptides
$0.13 WATCHDOG20 View vendor ›
Prime Lab Peptides
$0.16 View vendor ›
Koi Peptides
$0.18 View vendor ›
Protide Health
$0.20 View vendor ›
BioInfinity Lab
$0.22 View vendor ›
Kaia Peptides
$0.33 View vendor ›
BioLongevity Labs
$0.50 View vendor ›
Mile High Compounds
$1 View vendor ›
PSPeptides
$3.60 View vendor ›
Skye Peptides
$8.80 View vendor ›
Comparing vial prices. Vial price is what you actually pay — no derived math to get wrong. Just match the vial size across vendors: a 10 mg vial against another 10 mg vial. Sizes for this compound are listed above. Need to plan a reconstitution? Use the calculator.

Where it shows up in research

literature areas · not a health claim
Growth-hormone-fragment peptide chemistryLipolysis and adipocyte cell-model studiesMetabolic-signaling research

Examined in cell and animal models of lipid metabolism; this reflects laboratory research and not a demonstrated effect in people.

Storage & handling

Planning a reconstitution? Use the calculator — it is math for handling a vial, not dosing.

Looking at this for yourself? HGH Fragment 176-191 is a research compound — whether it is right for a person is a medical question we cannot answer. Talk to a licensed clinician. Everything on this page is for laboratory research use only.

Sources & further reading: PubChem CID 16131230 (NCBI)
How we source this ›

Frequently asked

How much does HGH Fragment 176-191 cost?
About $30–$100 per vial, depending on vial size. Compare the same size across vendors.
Why do HGH Fragment 176-191 prices vary so much?
Vial sizes differ, so always compare the same vial size across vendors. Batch testing, stock, and pack discounts move the true cost too — see what "Verified" means.
How are HGH Fragment 176-191 vendors verified?
A vendor earns a Verified badge only after independent batch testing (HPLC purity + mass-spec identity) checks out against its COA. Verification is never for sale.

Related compounds

Weight-loss