HGH Fragment 176-191 (2mg – 15mg Vials) is a highly specialized, truncated peptide consisting of the specific amino acid sequence (176-191) found at the C-terminus of human growth hormone. It is precision-engineered to isolate the profound lipolytic (fat-burning) properties of natural hGH while completely eliminating its unwanted systemic side effects. This makes it an elite, hyper-focused research compound for studying targeted adipose tissue reduction, lipid metabolism, and visceral fat clearance without impacting glucose homeostasis.
Key Features & Research Benefits
🔥
Targeted Lipolysis
Directly stimulates the breakdown of stored triglycerides into free fatty acids. In experimental models, its fat-burning efficiency has been shown to be over 12 times greater than that of intact, full-length human growth hormone.
🛑
Inhibition of Lipogenesis
Beyond breaking down existing fat, Frag 176-191 actively halts the metabolic pathways responsible for forming new fat cells (lipogenesis), effectively shutting down the primary mechanisms of future fat storage.
🩸
Absolute Glycemic Safety
A massive breakthrough in metabolic research. By isolating only the lipolytic fragment, it completely avoids the insulin resistance and elevated blood glucose levels typically caused by traditional hGH therapies.
🎯
Targets Visceral Fat
Demonstrates a remarkably high affinity for mobilizing dense, deep visceral fat (the dangerous adipose tissue surrounding vital organs) and stubborn subcutaneous fat deposits that resist standard metabolic interventions.
🛡️
No Cellular Proliferation
Unlike full-length hGH, this specific fragment does not stimulate the liver to produce IGF-1. This guarantees zero risk of organomegaly (organ enlargement), unwanted bone growth, or cellular hyper-proliferation.
📉
Improved Lipid Metabolism
Systematically optimizes overall lipid profiles. Research models demonstrate its capacity to clear circulating triglycerides and manage free fatty acids, providing critical insights into advanced cardiometabolic health.
How It Works
HGH Fragment 176-191 operates as an incredibly precise lipolytic (fat-destroying) agent. It is a synthetic analog representing only the tail end—amino acids 176 through 191—of the 191-amino acid human growth hormone (hGH) chain. Scientific isolation determined that this specific, tiny region is solely responsible for the fat-burning effects of the native hormone, completely separate from its growth-promoting functions.
In biological and cellular models, Frag 176-191 mimics the way natural hGH regulates fat metabolism. It binds directly to localized beta-3 adrenergic receptors on adipose (fat) cells, triggering a massive increase in lipolysis. This process aggressively breaks down stored triglycerides into free fatty acids and glycerol, which the body can then use as an immediate energy source. Simultaneously, it exerts a powerful inhibitory effect on lipogenesis, preventing excess dietary energy from being converted into new fat deposits.
The true scientific value of HGH Frag 176-191 lies in its complete decoupling from the insulin and Insulin-like Growth Factor 1 (IGF-1) pathways. Traditional hGH therapies often carry significant risks, such as inducing insulin resistance, spiking blood sugar, and promoting indiscriminate cellular growth (including bone and organ enlargement). Because Frag 176-191 lacks the specific molecular sequences that bind to hGH receptors responsible for growth and carbohydrate metabolism, it allows researchers to observe pure, highly aggressive fat mass reduction with an unprecedented safety profile.
🧪 What’s In The Vial
Active Peptide: Highly Purified HGH Frag 176-191
State: Sterile, Lyophilized Powder
Format: Multi-dose Research Vial
Net Contents: As selected (e.g., 2mg to 15mg)
Purity: ≥99.0% (HPLC)
👩🔬 Who Uses It
Obesity & Lipid Metabolism Labs
Endocrinology Researchers
Sports Science Investigators
Cardiometabolic Scientists
Cellular Aging Researchers
🔗 Best Paired With
Sterile Bacteriostatic Water (BAC)
Precision Laboratory Pipettes
Calibrated Insulin Syringes
Vial Storage Organizers (-20°C)
As Mentioned On
Real People, Real Transformations
See what dedicated research protocols have achieved.
Meet Liam, 24 Years OldBEFOREAFTER 16 WEEKS
16 weeksDURATION
+18 lbsLEAN MASS
-7%BODY FAT
"RESEARCHER NOTES: This subject struggled to gain weight for years. Upon introducing the CJC-1295 / Ipamorelin blend protocol, the results clicked. Muscle fullness improved significantly, and recovery time was cut in half."
— Liam, age 24
Meet Marcus, 30 Years OldBEFOREAFTER 12 WEEKS
12 weeksDURATION
+14 lbsLEAN MASS
-9%BODY FAT
"I'd been training for years but never really saw the results. Once I started my IGF-1 LR3 and BPC-157 protocol, everything clicked. The lean tissue gains and joint recovery are unreal."
— Marcus, age 30
Meet Sarah, 29 Years OldBEFOREAFTER 12 WEEKS
12 weeksDURATION
+10 lbsLEAN MASS
-8%BODY FAT
"I wanted muscle tone without 'bulking'. Adding Ipamorelin to my regimen allowed me to train consistently. The mirror shows lean changes I couldn't achieve with diet alone."
— Sarah, age 29
Meet David, 45 Years OldBEFOREAFTER 12 WEEKS
12 weeksDURATION
-28 lbsTOTAL WEIGHT
-15%BODY FAT
"RESEARCHER NOTES: Targeted a stubborn fat protocol with Tirzepatide. This subject experienced a massive reduction in visceral fat within the first 6 weeks without losing lean mass."
— David, age 45
Meet Emily, 32 Years OldBEFOREAFTER 16 WEEKS
16 weeksDURATION
-24 lbsTOTAL WEIGHT
-12%BODY FAT
"The fat just wouldn't budge around my mid-section. Once I introduced Semaglutide into my research protocol, the weight loss was immediate, sustainable, and my cravings disappeared."
— Emily, age 32
Meet Daniel, 41 Years OldBEFOREAFTER 12 WEEKS
12 weeksDURATION
-35 lbsTOTAL WEIGHT
-18%BODY FAT
"By targeting metabolic efficiency with Tesamorelin and AOD-9604, muscle tissue was preserved while stubborn visceral fat melted away. Completely different physique."
— Daniel, age 41
Meet Chloe, 27 Years OldBEFOREAFTER 8 WEEKS
8 weeksDURATION
+45%CLARITY
+60%ELASTICITY
"I struggled with persistent redness and uneven texture. After adopting a GHK-Cu peptide protocol, the inflammation vanished. My skin literally glows from the inside."
— Chloe, age 27
Meet Jason, 36 Years OldBEFOREAFTER 12 WEEKS
12 weeksDURATION
+55%REPAIR
+30%YOUTHFUL
"My face looked permanently tired. Working with Epithalon and GHK-Cu was a game changer. Pores minimized, fine lines reduced, and I'm sleeping deeper too."
— Jason, age 36
Trusted by happy customers
TrustScore 4.9 | 129 reviews
M
Michael T.
Verified Buyer
March 2, 2026
Zero side effects and amazing results with Tirzepatide!
"I tried other sources, but the Tirzepatide here is different. No nausea, and my research showed complete appetite control. I'm leaner and have more energy than I haven't seen in years. Impressive quality."
A
Alex R.
Verified Buyer
February 28, 2026
Unreal weight loss results with Semaglutide!
"I started researching Semaglutide after struggling for years. The quality here is top-notch. My research protocol showed massive appetite suppression immediately. Trustworthy source, fast shipping."
S
Sarah J.
Verified Buyer
February 20, 2026
BPC-157 healed my stubborn shoulder injury
"This subject tweaked her shoulder lifting. A strict protocol with their BPC-157 (Injectable) reduced pain and inflammation in days. The purity is undeniably professional."
J
Jennifer D.
Verified Buyer
February 14, 2026
Stubborn visceral fat finally gone with Retatrutide
"I needed to break a plateau. Switching my research protocol to Retatrutide did exactly that. The purity tested exceptionally high in my lab. Highly recommend."
J
James M.
Verified Buyer
February 08, 2026
Effective gut healing with BPC-157 Tablets
"Ordered BPC-157 (Tablets) for digestive research. Very effective for gut healing, and the quality is A+ grade. I might try the injectable version next cycle to compare absorption, but overall very reliable."
C
Chloe L.
Verified Buyer
January 29, 2026
Skin regenerated completely using GHK-Cu
"Adopted a strict GHK-Cu regenerative protocol, and the inflammation vanished. My subject's skin glows and looks exceptionally youthful. Best purity on the market."
L
Liam P.
Verified Buyer
January 15, 2026
Exceptional muscle mass gains and deep sleep
"I couldn't bulk effectively due to recovery issues. Once I added the CJC-1295 / Ipamorelin blend protocol, the changes were hard to ignore. Full body composition shifted, deeper sleep, and impressive joint recovery."
BEFORE
AFTER 16 WEEKS
BEFORE
AFTER 12 WEEKS
BEFORE
AFTER 12 WEEKS
BEFORE
AFTER 12 WEEKS
BEFORE
AFTER 16 WEEKS
BEFORE
AFTER 12 WEEKS
BEFORE
AFTER 8 WEEKS
BEFORE
AFTER 12 WEEKS
