IGF-1 DES
Also known as: DES(1-3)IGF-1, Truncated IGF-1, Des-IGF-1
IGF-1 DES (also written DES(1-3)IGF-1) is a truncated form of IGF-1 missing the first three amino acids of the N-terminus. This structural change dramatically reduces its affinity for IGF binding proteins (IGFBPs), meaning a far greater fraction remains in its free, active form. IGF-1 DES is estimated to be 10x more potent than standard IGF-1 LR3 at the receptor level locally, making it particularly effective for site-specific muscle growth when injected intramuscularly.
Half-Life
~20–30 minutes (very short — designed for local action)
Route
IM, SubQ
Category
Anabolic & IGF
Studies
50 references
Key Benefits
- Estimated 10x greater potency at the receptor vs IGF-1 LR3 locally
- Minimal IGFBP binding — nearly all active upon injection
- Highly localized muscle growth effect when injected intramuscularly
- Activates satellite cells for muscle fiber hyperplasia potential
- Synergistic with GH peptides in post-workout anabolic protocols
- Shorter half-life reduces systemic exposure vs IGF-1 LR3
- Useful for site-specific muscle development
Mechanism of Action
By lacking the N-terminal tripeptide Gly-Pro-Glu, IGF-1 DES has approximately 1000-fold lower affinity for IGF binding proteins compared to native IGF-1. Since IGFBPs sequester IGF-1 and reduce its biological activity, the greatly reduced IGFBP binding of IGF-1 DES means nearly all injected peptide is immediately available to bind IGF-1 receptors. It activates the same IRS-1/PI3K/Akt/mTOR pathway as native IGF-1, driving protein synthesis, satellite cell activation, and muscle hypertrophy. Its effects are highly localized to the injection site.
Dosing Protocols
Site-Specific Muscle Growth Protocol
- Dose
- 20–50 mcg per injection site
- Frequency
- Once daily, post-workout
- Timing
- Immediately post-workout, intramuscular into target muscle
- Cycle
- 4–8 week cycles
Research use only — not FDA approved. Always inject with food nearby due to hypoglycemia risk. Lower doses (20 mcg) recommended for beginners. Do not inject systemically at these doses.
Calculate your draw volume
Enter your vial size and BAC water to get exact injection volumes
Side Effects
- Hypoglycemia (most significant risk — especially post-workout)
- Localized muscle swelling at injection site
- Potential for jaw/organ growth (acromegalic effects) with prolonged high-dose use
- Carpal tunnel syndrome with high doses
- Theoretical cancer growth promotion
Contraindications
Not FDA approved. Absolute contraindication in active malignancy. Diabetics require careful blood glucose monitoring. Pregnancy contraindicated.
Storage
Lyophilized: store at -20°C. Reconstituted with acetic acid: refrigerate at 2–8°C, stable 2–3 weeks.
Clinical Research
- 1.Increased supply of lysine, methionine, and histidine during heat stress in primiparous and multiparous dairy cows: Effects on clinical signs of heat stress, performance, and metabolism
Ruiz-González A, Leung YH, Celemin A, Kenez A, Chouinard PY, Gervais R et al. · Journal of dairy science · 2026PubMed Verified
- 2.Normative data for insulin-like growth factor-1 and insulin-like growth factor binding protein-3 and their determinants in healthy adult males from india: the INDIIGo study
Shah R, Bansal D, Rastogi P, Sachdev S, Devi N, Sharma RR et al. · Scientific reports · 2025PubMed Verified
- 3.Novel insights into the effects of JMV2894, a growth hormone secretagogue, in Duchenne muscular dystrophy: A preclinical study in the D2-mdx mouse model
Mantuano P, Boccanegra B, Marinelli M, Cristiano E, Lenti R, Tulimiero L et al. · Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2025PubMed Verified
- 4.Loss of heterozygosity and absence of MAX immunostaining in a prolactinoma associated with multiple endocrine neoplasia type 5 (MEN5)
Delemer B, Florea SM, Decoudier B, Boulagnon-Rombi C, Karna B, Pellegata NS et al. · Pituitary · 2025Case ReportPubMed Verified
- 5.Exploring the Therapeutic Potential of Bovine Colostrum for Cancer Therapies
Yalçıntaş YM, Bechelany M, Karav S · International journal of molecular sciences · 2025ReviewPubMed Verified
- 6.Cost-utility analysis of second line acromegaly treatment in France
Raverot G, Chanson P, Delemer B, Drui D, Briet C, Ferriere A et al. · Annales d'endocrinologie · 2025Meta-AnalysisPubMed Verified
- 7.NAD(+) repletion restores cardioprotective autophagy and mitophagy in obesity-associated heart failure by suppressing excessive trophic signaling
Abdellatif M, Vasques-Nóvoa F, Ferreira JP, Sadoshima J, Diwan A, Linke WA et al. · Autophagy · 2025PubMed Verified
- 8.Cardiomyopathy in Patients With Acromegaly - Not Truly a Concern Anymore?
Wolf P, Maione L, Kamenický P, Chanson P · The Journal of clinical endocrinology and metabolism · 2025ReviewPubMed Verified
- 9.Insulin-like Growth Factor-1 Reflects Liver Disease Stage and Improves Prediction of Liver-related Mortality
Schneider CV, Gross S, Balasubramani S, Tomanová P, Schrader C, Fromme M et al. · Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association · 2025PubMed Verified
- 10.Consensus and controversies about diagnosing GH deficiency: a Delphi survey by the GH research society
Arlien-Søborg MC, Radovick S, Boguszewski MCS, Bidlingmaier M, Johannsson G, Grimberg A et al. · Pituitary · 2025ReviewPubMed Verified
- 11.Preclinical Investigations of a Novel PEGylated Long-Acting Human Growth Hormone
Wang J, Wang H, Wang R, Zhuang Y, Jiang C, Zhao B et al. · Drug design, development and therapy · 2025PubMed Verified
- 12.Early oxytocin treatment in infants with Prader-Willi syndrome is safe and is associated with better endocrine, metabolic and behavioral outcomes
Valette M, Diene G, Glattard M, Cortadellas J, Molinas C, Faye S et al. · Orphanet journal of rare diseases · 2025Clinical TrialPubMed Verified
- 13.Network Pharmacology Combined With Metabolomics Reveals the Mechanism of Yangxuerongjin Pill Against Type 2 Diabetic Peripheral Neuropathy in Rats
Jin R, Pei H, Yue F, Zhang X, Zhang Z, Xu Y et al. · Drug design, development and therapy · 2025PubMed Verified
- 14.Scabiosa artropurperea var.maritima aqueous extracts improve in vivo fertility parameters and in vitro granulosa cell steroidogenesis in Ewe
Niama W, Ben Said S, Rame C, Bouzid K, Bartakiz A, Froment P et al. · Theriogenology · 2025PubMed Verified
- 15.Safety and Effectiveness of a Biosimilar Recombinant Growth Hormone in Adults with Growth Hormone Deficiency: Analysis of Final Data from PATRO Adults, an International Post-Marketing Surveillance Study
Beck-Peccoz P, Höybye C, Simsek S, Stalla G, Murray RD, Esmael A et al. · Drug design, development and therapy · 2024PubMed Verified
- 16.Effects of time-of-day resistance training on muscle strength, hormonal adaptations, and sleep quality during Ramadan fasting
Triki R, Ben Abderrahman A, Salhi I, Rhibi F, Saeidi A, Almaqhawi A et al. · Frontiers in nutrition · 2024PubMed Verified
- 17.Profile of Trofinetide in the Treatment of Rett Syndrome: Design, Development and Potential Place in Therapy
Camillo L, Pozzi M, Bernardo P, Pisano S, Nobile M · Drug design, development and therapy · 2024ReviewPubMed Verified
- 18.Remission of Acromegaly: The Sooner the Better
Cuny T, Maione L, Störmann S · Clinical endocrinology · 2024PubMed Verified
- 19.Bayesian Individual Limits for IGF-1 Monitoring in Equine Plasma: Implementation in the Equine Biological Passport
Barnabé A, Loup B, Cawley A, Delcourt V, Garcia P, Popot MA et al. · Drug testing and analysis · 2025PubMed Verified
- 20.Long-acting growth hormone in the management of GHD in France
Linglart A, Coutant R, Polak M, Nicolino M · Archives de pediatrie : organe officiel de la Societe francaise de pediatrie · 2024ReviewPubMed Verified
- 21.Impact of Tyrosine Kinase Inhibitors (TKIs) on Growth in Children and Adolescents with Chronic Myeloid Leukemia: A Systematic Review
Katsarou D, Kotanidou EP, Tsinopoulou VR, Tragiannidis A, Hatzipantelis E, Galli-Tsinopoulou A · Current pharmaceutical design · 2024Meta-AnalysisPubMed Verified
- 22.Peripheral Biomarkers of Anorexia Nervosa: A Meta-Analysis
Wu YK, Watson HJ, Del Re AC, Finch JE, Hardin SL, Dumain AS et al. · Nutrients · 2024Meta-AnalysisPubMed Verified
- 23.Effect of ultrasound-mediated blood-spinal cord barrier opening on survival and motor function in females in an amyotrophic lateral sclerosis mouse model
Montero AS, Aliouat I, Ribon M, Canney M, Goldwirt L, Mourah S et al. · EBioMedicine · 2024PubMed Verified
- 24.Characterization of Primary IGF-1 Deficiency in a Cohort of Canadian Children with Short Stature Using a Novel Algorithm Tailored to Electronic Medical Records
Haridas R, Baxter C, Dover S, Goldbloom EB, Terekhov I, Robinson ME · Children (Basel, Switzerland) · 2024PubMed Verified
- 25.Developments in the Management of Growth Hormone Deficiency: Clinical Utility of Somapacitan
Miller BS, Blair J, Horikawa R, Linglart A, Yuen KCJ · Drug design, development and therapy · 2024ReviewPubMed Verified
- 26.Chromatographic-mass spectrometric analysis of peptidic analytes (2-10 kDa) in doping control urine samples
Thomas A, Walpurgis K, Thevis M · Journal of mass spectrometry : JMS · 2024PubMed Verified
- 27.Acromegalic Cardiomyopathy: An Entity on its own? The Effects of GH and IGF-I Excess and Treatment on Cardiovascular Risk Factors
Wolf P, Maione L, Kamenický P, Chanson P · Archives of medical research · 2023ReviewPubMed Verified
- 28.Serum IGF1 Is a Prognostic Marker for Resistance to Targeted Therapies and a Predictive Marker for Anti-IGF1 Receptor Therapy in Melanoma
Castillo-Ferrer C, Marguet T, Vanwonterghem L, Erbek S, Chuffart F, Mouret S et al. · The Journal of investigative dermatology · 2024PubMed Verified
- 29.Effects of Acute Caffeine Intake on Insulin-Like Growth Factor-1 Responses to Total Sleep Deprivation: Interactions with COMT Polymorphism - A Randomized, Crossover Study
Drogou C, Sauvet F, Erblang M, Leger D, Thomas C, Chennaoui M et al. · Lifestyle genomics · 2023RCTPubMed Verified
- 30.Growth hormone secretagogues modulate inflammation and fibrosis in mdx mouse model of Duchenne muscular dystrophy
Boccanegra B, Cappellari O, Mantuano P, Trisciuzzi D, Mele A, Tulimiero L et al. · Frontiers in immunology · 2023PubMed Verified
- 31.Perinatal exposure to the fungicide ketoconazole alters hypothalamic control of puberty in female rats
Franssen D, Johansson HKL, Lopez-Rodriguez D, Lavergne A, Terwagne Q, Boberg J et al. · Frontiers in endocrinology · 2023PubMed Verified
- 32.Insulin-like growth factor-1 (IGF-1) selectively modulates the metabolic and lipid profile of bovine embryos according to their kinetics of development
Annes K, de Lima CB, Ispada J, Dos Santos ÉC, Fontes PK, Nichi M et al. · Theriogenology · 2023PubMed Verified
- 33.Chemotherapy-Induced Molecular Changes in Skeletal Muscle
Pedrosa MB, Barbosa S, Vitorino R, Ferreira R, Moreira-Gonçalves D, Santos LL · Biomedicines · 2023ReviewPubMed Verified
- 34.Antagonistic pleiotropy: the example of cardiac insulin-like growth factor signaling, which is essential in youth but detrimental in age
Abdellatif M, Madeo F, Sedej S, Kroemer G · Expert opinion on therapeutic targets · 2023PubMed Verified
- 35.Response by Sedej and Abdellatif to Letter Regarding Article, "Fine-Tuning Cardiac Insulin-Like Growth Factor 1 Receptor Signaling to Promote Health and Longevity"
Sedej S, Abdellatif M · Circulation · 2022PubMed Verified
- 36.PIK3CA gain-of-function mutation in adipose tissue induces metabolic reprogramming with Warburg-like effect and severe endocrine disruption
Ladraa S, Zerbib L, Bayard C, Fraissenon A, Venot Q, Morin G et al. · Science advances · 2022PubMed Verified
- 37.Haplotype structure of MSTN, IGF1, and BMP2 genes in Tunisian goats (Capra hircus) and their association with morphometric traits
Chalbi S, Dettori ML, Djemali M, Vacca GM, Petretto E, Pazzola M et al. · Tropical animal health and production · 2022PubMed Verified
- 38.Growth regulation in brook charr Salvelinus fontinalis
Martinez-Silva MA, Dupont-Prinet A, Houle C, Vagner M, Garant D, Bernatchez L et al. · General and comparative endocrinology · 2023PubMed Verified
- 39.Impairment in insulin secretion without changes in insulin resistance explains hyperglycemia in patients with acromegaly treated with pasireotide LAR
Wolf P, Dormoy A, Maione L, Salenave S, Young J, Kamenický P et al. · Endocrine connections · 2022PubMed Verified
- 40.Acromegaly: pathogenesis, diagnosis, and management
Fleseriu M, Langlois F, Lim DST, Varlamov EV, Melmed S · The lancet. Diabetes & endocrinology · 2022ReviewPubMed Verified
- 41.Pharmacologic Enhancement of Rotator Cuff Repair: A Narrative Review
Vaysman M, Alben M, Todd M, Ruotolo C · Orthopedic reviews · 2022PubMed Verified
- 42.Different Roles of the Insulin-like Growth Factor (IGF) Axis in Non-small Cell Lung Cancer
Xu X, Qiu Y, Chen S, Wang S, Yang R, Liu B et al. · Current pharmaceutical design · 2022ReviewPubMed Verified
- 43.Ghrelin, growth hormone and insulin-like growth Factor-I levels in people with protein C deficiency
Dons-Jensen A, Horup SS, Hvas AM, Vestergaard ET, Johansen RF · Scandinavian journal of clinical and laboratory investigation · 2022Clinical TrialPubMed Verified
- 44.Nutritional and Anthropometric Indices in Children Receiving Haemodiafiltration vs Conventional Haemodialysis - The HDF, Heart and Height (3H) Study
Paglialonga F, Monzani A, Prodam F, Smith C, De Zan F, Canpolat N et al. · Journal of renal nutrition : the official journal of the Council on Renal Nutrition of the National Kidney Foundation · 2023PubMed Verified
- 45.Spotlight on Lonapegsomatropin Once-Weekly Injection and Its Potential in the Treatment of Growth Hormone Deficiency in Pediatric Patients
Miller BS, Yuen KCJ · Drug design, development and therapy · 2022ReviewPubMed Verified
- 46.Spermidine overrides INSR (insulin receptor)-IGF1R (insulin-like growth factor 1 receptor)-mediated inhibition of autophagy in the aging heart
Abdellatif M, Madeo F, Kroemer G, Sedej S · Autophagy · 2022PubMed Verified
- 47.IGF-I Variability Over Repeated Measures in Patients With Acromegaly Under Long-Acting Somatostatin Receptor Ligands
Maione L, Albrici C, Grunenwald S, Mouly C, Cimino V, Lecoq AL et al. · The Journal of clinical endocrinology and metabolism · 2022PubMed Verified
- 48.Efficient transdermal delivery of functional protein cargoes by a hydrophobic peptide MTD 1067
Shin HJ, Bak SU, La HN, Kang JS, Lee HH, Eom HJ et al. · Scientific reports · 2022PubMed Verified
- 49.Fine-Tuning Cardiac Insulin-Like Growth Factor 1 Receptor Signaling to Promote Health and Longevity
Abdellatif M, Trummer-Herbst V, Heberle AM, Humnig A, Pendl T, Durand S et al. · Circulation · 2022PubMed Verified
- 50.Pituitary MRI Features in Acromegaly Resulting From Ectopic GHRH Secretion From a Neuroendocrine Tumor: Analysis of 30 Cases
Potorac I, Bonneville JF, Daly AF, de Herder W, Fainstein-Day P, Chanson P et al. · The Journal of clinical endocrinology and metabolism · 2022PubMed Verified
Medical disclaimer: This information is for educational purposes only and does not constitute medical advice. Many compounds listed are research chemicals not approved for human use. Always consult a qualified healthcare professional before starting any protocol.
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