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HGH FRAG 176-191 · 10 MG | Ataca la Grasa. Revela la Definición.

Product Details

  • Technical Name: HGH Frag 176-191 10 mg, Polvo Liofilizado para Investigación
  • Laboratory / Brand: Syntex Labs
  • Active Ingredient (INN): HGH Frag 176-191 (Fragmento de Hormona de Crecimiento Humana 176-191)
  • Pharmaceutical Form: Polvo Liofilizado para Solución Inyectable
  • Concentration: 10 mg/vial
  • CAS Number: 66004-57-7
  • Internal SKU: SKU-HGHFRAG-10MG-66004-57-7
Syntex Labs HGH Frag 176-191 (Fragmento de Hormona de Crecimiento Humana 176-191) Polvo Liofilizado para Solución Inyectable CAS: 66004-57-7
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Product · peptidos

HGH FRAG 176-191 · 10 MG | Ataca la Grasa. Revela la Definición.

Upgraded Formula Muscle Growth Metabolic Health Longevity & Performance

10 Servings Per Container: US$10.00 / serving

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US$99.99 USD
In stock (10,000 piece)
HGH Frag 176-191 is a synthetic fragment of the C-terminal end of human growth hormone (GH) composed of amino acids 176-191. Acts specifically on adipose tissue stimulating lipolysis and inhibiting lipogenesis, promoting a leaner, more defined body composition without affecting IGF-1 levels. Lab grade with purity ≥99% by HPLC-MS. Each vial contains 10 mg of HGH Frag 176-191 as sterile lyophilized powder, designed for in vitro and animal model scientific research. Manufactured under strict GMP standards, with complete batch traceability and Certificate of Analysis available. SKU: SKU-HGHFRAG-10MG. Sequence: H-Tyr-Leu-Arg-Ile-Val-Gln-Cys-Arg-Ser-Val-Glu-Gly-Ser-Cys-Gly-Phe-NH₂. Store at 2-8°C in a dry place protected from light. WARNING: This product is not FDA-approved and carries risks. Intended exclusively for research.

HGH Frag 176-191 is a synthetic fragment of the C-terminal end of human growth hormone (GH), composed of amino acids 176-191 of the complete HGH sequence. This peptide was specifically designed to retain the lipolytic (fat-mobilizing) properties of full-length growth hormone, without its associated side effects such as elevated IGF-1 levels or insulin resistance . It acts by stimulating lipolysis —the breakdown of stored triglycerides in adipocytes for release as free fatty acids— while simultaneously inhibiting lipogenesis, the process of forming and storing new fat deposits . Unlike other peptides that act on energy metabolism or cognitive function, HGH Frag 176-191 acts specifically on adipose tissue to promote a leaner, more defined body composition, being especially effective on visceral and abdominal fat, which are the most resistant to loss through diet and exercise alone .

Primary Benefit: Fat Metabolism and Body Definition

At its core, HGH Frag 176-191 is designed to selectively target and reduce adipose tissue, promoting a leaner, more defined body composition. By activating lipolytic signaling pathways in adipocytes, this peptide fragment triggers the release of free fatty acids from stored fat reserves to be used as an energy source . Studies have demonstrated that HGH Frag 176-191 administration produces a significant reduction in body fat percentage, especially in problem areas such as the abdomen and visceral region, while preserving lean muscle mass . This effect is particularly valuable during cutting and caloric deficit periods, where the goal is to maximize fat loss while maintaining hard, dense muscle tissue.

Secondary Benefits: Muscle Preservation and Metabolic Performance

The specific action of HGH Frag 176-191 on adipose tissue offers additional benefits that directly impact physical performance and aesthetics:

Preservation of Lean Muscle Mass: By promoting fatty acid oxidation as a primary energy source, HGH Frag 176-191 helps preserve muscle glycogen and structural proteins during caloric deficit periods . This means that athletes and bodybuilders can maintain their muscle mass while reducing body fat percentage, achieving a drier, more defined, and vascular appearance without sacrificing hard-earned tissue.

No IGF-1 Effects: Unlike full-length HGH, HGH Frag 176-191 does not activate the growth hormone receptor (GHR), therefore it does not elevate insulin-like growth factor type 1 (IGF-1) levels . This eliminates the risks associated with full HGH, such as unwanted cell proliferation, insulin resistance, fluid retention, and internal organ hypertrophy. The fragment acts specifically on adipose tissue without affecting systemic anabolic pathways.

Improved Insulin Sensitivity: By reducing visceral fat and improving body composition, HGH Frag 176-191 indirectly contributes to better insulin sensitivity and a healthier metabolic profile . Reduction of adipose tissue, especially visceral, is associated with lower systemic inflammation and better glucose regulation.

Increased Fatty Acid Oxidation: HGH Frag 176-191 stimulates β-oxidation of fatty acids in mitochondria, increasing the efficiency with which the body burns fat as fuel . This is especially beneficial during low and moderate intensity exercise, where fat oxidation is the primary energy system.

Pairing Strategy: HGH Frag 176-191

HGH Frag 176-191 is typically administered as a standalone agent for definition and fat loss. Its combination with an appropriate resistance training protocol, controlled nutrition, and moderate caloric deficit can potentiate and accelerate fat loss and muscle definition effects. Combination with other lipolytic agents or stimulants is not recommended without proper supervision. This peptide differs from other HGH fragments such as AOD9604 in its mechanism of action and the fact that it does not stimulate thyroid hormone release .
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HGH FRAG 176-191 · 10 MG | Ataca la Grasa. Revela la Definición.

HGH Frag 176-191: Ataca la Grasa. Revela la Definición.

Para el atleta, el culturista y cualquier persona que busca una definición muscular extrema y una composición corporal magra, HGH Frag 176-191 representa la herramienta definitiva para la pérdida de grasa selectiva y la preservación muscular. Este fragmento sintético de la hormona del crecimiento humano ataca específicamente el tejido adiposo, estimulando la lipólisis mientras inhibe la formación de nuevas reservas de grasa, para revelar un físico más atlético, definido y vascularizado.

Beneficio Principal: Metabolismo de Grasas y Definición

HGH Frag 176-191 activa la descomposición de los triglicéridos almacenados en los adipocitos, liberando ácidos grasos libres para ser utilizados como energía. Los estudios han demostrado que:

Reduce selectivamente la grasa corporal, especialmente la visceral y abdominal .

Inhibe la formación de nuevos depósitos de grasa .

Preserva la masa muscular magra durante los períodos de definición .

Actúa sin elevar los niveles de IGF-1, evitando los efectos secundarios de la HGH completa .

Beneficios Adicionales: Rendimiento y Composición Corporal

Preservación Muscular: Mantiene la masa muscular durante el déficit calórico .

Mejora Metabólica: Reduce la grasa visceral para mejorar la sensibilidad a la insulina .

Sin Efectos Secundarios Sistémicos: No afecta los niveles de IGF-1 ni causa resistencia a la insulina .

Oxidación de Grasas: Aumenta la eficiencia del cuerpo para quemar grasa como combustible .

Ideal para Ciclos de Definición

HGH Frag 176-191 es la elección perfecta para ciclos de definición y corte, donde el objetivo es maximizar la pérdida de grasa mientras se preserva la masa muscular ganada. Su mecanismo de acción específico sobre el tejido adiposo lo convierte en un aliado invaluable para lograr una apariencia seca, dura y estéticamente impresionante.

Key Benefits of HGH Frag 176-191 Lipolysis Stimulation for Selective Fat Loss HGH Frag 176-191 activates the breakdown of stored triglycerides in adipocytes through activation of hormone-sensitive lipase (HSL). This process releases free fatty acids and glycerol into the bloodstream, where they are transported to peripheral tissues to be oxidized as an energy source . Unlike other lipolytic agents that act systemically, HGH Frag 176-191 has a particular affinity for visceral and abdominal adipose tissue, the areas most resistant to fat loss through conventional diet and exercise. Lipogenesis Inhibition to Prevent Fat Accumulation In addition to stimulating fat breakdown, HGH Frag 176-191 inhibits the process of lipogenesis, the formation and storage of new fat deposits . This means that even under conditions of elevated caloric intake, the peptide helps prevent the accumulation of new adipose tissue. This dual effect —stimulating the burning of existing fat while blocking new fat formation— makes HGH Frag 176-191 an extremely effective agent for body recomposition. Preservation of Lean Muscle Mass During caloric deficit periods, the body tends to use both fat and muscle tissue as energy sources. HGH Frag 176-191 promotes fatty acid oxidation as a primary fuel source, thus preserving muscle glycogen and structural proteins . This allows athletes and bodybuilders to maintain their hard, dense muscle mass while reducing body fat percentage, achieving a drier, more defined, and vascular appearance without sacrificing hard-earned tissue. No IGF-1 Effects and Associated Risks One of the most significant advantages of HGH Frag 176-191 over full growth hormone is that it does not activate the growth hormone receptor (GHR), therefore it does not elevate insulin-like growth factor type 1 (IGF-1) levels . This eliminates the risks associated with full HGH, such as unwanted cell proliferation, insulin resistance, fluid retention, internal organ hypertrophy, and carpal tunnel syndrome development. The fragment acts specifically on adipose tissue without affecting systemic anabolic pathways. Improved Insulin Sensitivity and Metabolic Profile Reduction of visceral fat, especially deep abdominal fat, is closely associated with better insulin sensitivity and a healthier metabolic profile . By reducing adipose tissue, HGH Frag 176-191 contributes to decreased systemic inflammation and improved glucose regulation, which has positive implications for overall metabolic health and athletic performance. Increased Fatty Acid Oxidation During Exercise HGH Frag 176-191 stimulates β-oxidation of fatty acids in mitochondria, increasing the efficiency with which the body burns fat as fuel during exercise . This is especially beneficial during low and moderate intensity training, where fat oxidation is the primary energy system. By increasing the body's capacity to utilize fat as an energy source, HGH Frag 176-191 improves endurance and work capacity during prolonged training sessions. Support for Muscle Definition and Overall Aesthetics In addition to fat loss, HGH Frag 176-191 contributes to an overall improved aesthetic through several mechanisms: Greater muscle definition: Reduction of the subcutaneous fat layer reveals underlying musculature, improving definition and vein appearance (vascularity). Firmer skin: Subcutaneous fat reduction results in firmer, muscle-adherent skin. Improved body composition: The combination of fat loss and muscle preservation results in a more athletic and aesthetic body composition.
Function and Mechanism of Action of HGH Frag 176-191 HGH Frag 176-191 is a synthetic peptide fragment corresponding to amino acids 176-191 of the C-terminal end of human growth hormone (GH). This fragment was identified as the region of the GH molecule responsible for its lipolytic properties, that is, fat mobilization and burning . Unlike full GH, HGH Frag 176-191 does not bind to the growth hormone receptor (GHR) and therefore does not activate signaling pathways associated with IGF-1 production. Detailed Mechanism of Action: Lipolysis Activation: HGH Frag 176-191 stimulates the activity of hormone-sensitive lipase (HSL) in adipocytes, the enzyme responsible for breaking down stored triglycerides into free fatty acids and glycerol . This activation occurs through receptor-mediated signaling on the adipocyte membrane, which triggers an intracellular signaling cascade resulting in HSL phosphorylation and activation. The net result is the release of free fatty acids into the bloodstream, where they can be transported to peripheral tissues for oxidation as an energy source. Lipogenesis Inhibition: In addition to stimulating fat breakdown, HGH Frag 176-191 inhibits the process of lipogenesis, the formation and storage of new fat deposits . This is achieved through inhibition of key enzymes involved in fatty acid synthesis, such as fatty acid synthase (FAS) and acetyl-CoA carboxylase. This dual effect —stimulating the burning of existing fat while blocking new fat formation— makes HGH Frag 176-191 an extremely effective agent for body recomposition. No IGF-1 Effects: One of the distinctive features of HGH Frag 176-191 is that it does not activate the growth hormone receptor (GHR), therefore it does not elevate insulin-like growth factor type 1 (IGF-1) levels . This eliminates the risks associated with full HGH, such as unwanted cell proliferation, insulin resistance, fluid retention, and internal organ hypertrophy. The fragment acts specifically on adipose tissue without affecting systemic anabolic pathways. Stimulation of β-Oxidation of Fatty Acids: HGH Frag 176-191 stimulates β-oxidation of fatty acids in the mitochondria of peripheral tissues, increasing the efficiency with which the body burns fat as fuel . This process involves the sequential breakdown of fatty acids into acetyl-CoA units, which then enter the Krebs cycle to generate ATP, the primary cellular energy source. Differentiation from AOD9604: HGH Frag 176-191 differs from other HGH fragments such as AOD9604 in several key aspects. While AOD9604 has been associated with stimulation of thyroid hormone release and effects on carbohydrate metabolism, HGH Frag 176-191 acts more specifically on adipose tissue, with a cleaner action profile and no effects on thyroid function .
How to Use HGH Frag 176-191 Route of Administration: Injectable via subcutaneous (SC). Subcutaneous administration is the standard method for HGH Frag 176-191, allowing gradual and constant absorption. Injection sites should be rotated (abdomen, thigh, gluteal region) to avoid local irritation and ensure uniform absorption. Reconstitution: The product is presented as a lyophilized powder in a sterile vial. It must be reconstituted with bacteriostatic water for injection (or sterile water for injection) before use. Add the diluent slowly, gently swirling the vial to dissolve the powder. Do not shake vigorously to avoid peptide degradation. Research Protocol: Dosage and frequency must be determined by the researcher according to protocol goals. Common research protocols for HGH Frag 176-191 use: Dose: 200-500 mcg per administration, 1-2 times daily . Frequency: Daily or every other day administration for 4-12 weeks to achieve desired results . Timing of Administration: Ideally administered on an empty stomach, in the morning upon waking or before fasted exercise, to maximize fat oxidation as an energy source. Storage: The lyophilized powder should be stored in a cool, dry place, protected from light and at controlled temperature (2-8°C). Once reconstituted, it must be refrigerated (2-8°C) and used within 30 days. Important Notice: Product intended EXCLUSIVELY FOR SCIENTIFIC RESEARCH in vitro and in animal models. HGH Frag 176-191 is not FDA-approved for any human use. Reported side effects are generally mild and may include redness at the injection site, mild nausea, and in rare cases, headache or dizziness. Its use carries risks and the researcher is solely responsible for safety and compliance with applicable regulations during protocol development.
Ingredients of HGH Frag 176-191 Active Ingredient: HGH Frag 176-191 (Human Growth Hormone Fragment 176-191): A synthetic peptide fragment corresponding to amino acids 176-191 of the C-terminal end of human growth hormone. Sequence: H-Tyr-Leu-Arg-Ile-Val-Gln-Cys-Arg-Ser-Val-Glu-Gly-Ser-Cys-Gly-Phe-NH₂. Acts specifically on adipose tissue stimulating lipolysis and inhibiting lipogenesis, without affecting IGF-1 levels. The active ingredient purity is ≥99% by HPLC-MS. Excipients: Mannitol: A sugar alcohol that acts as a cryoprotectant and bulking agent, used to stabilize the peptide structure during the lyophilization process. Water for Injection (WfI): High-purity water (USP/EP grade) used as a vehicle in the lyophilization process. Note for Researchers: This product is a high-purity synthetic peptide (>99% by HPLC-MS), manufactured without unnecessary additives, preservatives, or fillers. Its production is carried out under strict quality control standards (GMP). HGH Frag 176-191 is not FDA-approved for human use and is intended exclusively for in vitro and animal model scientific research.
Onset Time & Expected Results of HGH Frag 176-191 Onset of Action (Days to Weeks): HGH Frag 176-191 begins acting within the first hours after administration, with fat metabolism effects observed within the first days. Lipolysis activation and free fatty acid release occur shortly after administration, although visible changes in body composition require consistent use. Measurable Benefits (4-6 Weeks): The first measurable changes in body composition, including reduction in body fat percentage and improvement in muscle definition, begin to be visible within the first 4-6 weeks of consistent use according to the research protocol. Users report a noticeable decrease in abdominal fat and a drier, more defined appearance. Full Effect (8-12 Weeks): For maximum fat loss and complete muscle definition, the full effect often requires 8-12 weeks of consistent use according to the research protocol. Cumulative results include significant reduction in body fat percentage, greater muscle definition, and a more athletic and aesthetic body composition. Factors Influencing Results: The speed and magnitude of results depend on dose administered, administration frequency, adherence to the research protocol, nutrition quality, caloric deficit, training type, and individual metabolism.
Clinical Research & 3rd Party Test Results of HGH Frag 176-191 Scientific evidence on HGH Frag 176-191 comes primarily from preclinical studies in animal models and in vitro studies, as the compound is intended exclusively for research. Research has demonstrated its effects on lipolysis, lipogenesis inhibition, and muscle mass preservation. Preclinical and Laboratory Evidence: Lipolysis Studies: Research has demonstrated that HGH Frag 176-191 stimulates free fatty acid release from adipocytes through activation of hormone-sensitive lipase (HSL) . This effect is specific to adipose tissue and does not affect other tissues or organs. Lipogenesis Studies: HGH Frag 176-191 has been shown to inhibit new fat deposit formation through inhibition of key enzymes in fatty acid synthesis, such as fatty acid synthase (FAS) and acetyl-CoA carboxylase . Muscle Preservation Studies: In animal models, HGH Frag 176-191 has been shown to preserve lean muscle mass during caloric deficit periods, promoting fatty acid oxidation as an energy source . No IGF-1 Effects: Studies have confirmed that HGH Frag 176-191 does not activate the growth hormone receptor (GHR) and therefore does not elevate IGF-1 levels, avoiding side effects associated with full HGH . Comparison with AOD9604: HGH Frag 176-191 differs from other HGH fragments such as AOD9604 in several key aspects: Specificity: HGH Frag 176-191 acts more specifically on adipose tissue, with a cleaner action profile. No Thyroid Effects: Unlike AOD9604, which has been associated with stimulation of thyroid hormone release, HGH Frag 176-191 does not affect thyroid function . Mechanism of Action: Both fragments act through different mechanisms, with HGH Frag 176-191 being more selective for direct lipolysis. Regulatory Status: FDA Classification: HGH Frag 176-191 is not classified or approved by FDA for any use in the United States. Research Use: HGH Frag 176-191 is available for in vitro and animal model scientific research. Safety Considerations: Reported side effects are generally mild and include redness at the injection site, mild nausea, and in rare cases, headache or dizziness. Its use carries risks and is not recommended without medical supervision. Syntex Labs Quality Standards: Lab Grade: Purity ≥99% by HPLC-MS. QR Tracking: Complete batch traceability. Secure Batch Label: "Scratch to See" security system. 3rd Party Results: Access to Certificates of Analysis (COA) from accredited external laboratories.

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HGH FRAG 176-191 · 10 MG | Ataca la Grasa. Revela la Definición. HGH FRAG 176-191 · 10 MG | Ataca la Grasa. Revela la Definición. HGH FRAG 176-191 ·…
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