Clinical Reference
Peptide Library
Research summaries for the peptides Newtropin offers — mechanisms, clinical applications, and therapeutic considerations. Updated regularly by our in-house Ph.D. team.
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64 entries in the library
Weight management & metabolic
Best peptides for fat loss →
Semaglutide: GLP-1 Receptor Agonist and Metabolic Regulation Research
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Tirzepatide: Dual Incretin Receptor Agonist and Metabolic Regulation Research
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Retatrutide (Retraglutide): Triple Incretin Receptor Agonist and Metabolic Signaling Research
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weight-management
Cagrilintide: Long-Acting Amylin Analogue, Mechanism, and Obesity Research
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weight-management
5-Amino-1MQ: NNMT Inhibition, Adipocyte Metabolism, and Body Composition Research
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AOD-9604 Peptide: Lipolysis Signaling and Fat Metabolism Research
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HGH Fragment 176-191: Lipolysis Signaling and Metabolic Peptide Research
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Adipotide (FTPP): Fat-Targeting Peptide and Adipose Tissue Vascular Research
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AOD + HCG + FTPP: Multi-Mechanism Metabolic Peptide Protocol
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MOTS-c Peptide: Mitochondrial Signaling and Metabolic Regulation Research
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Tesofensine: Neurotransmitter Signaling and Appetite Regulation Research
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Growth hormone secretagogues & muscle
Peptides for muscle growth →
hormones · performance
Sermorelin Peptide: GHRH(1-29) Analogue, Mechanism, Benefits, and Research
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Tesamorelin Peptide: Growth Hormone Releasing Hormone Analog and Endocrine Signaling Research
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CJC-1295 and Ipamorelin Peptides: Dual Pathways for Growth Hormone Signaling
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performance · hormones
Ipamorelin: Selective Ghrelin-Receptor Agonist, Dosage Frameworks, and Side Effects
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MOD GRF 1-29 Peptide: Growth Hormone Releasing Factor Signaling and Endocrine Regulation
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Growth Hormone Releasing Hormone (GHRH) Peptides: Pituitary Signaling and Endocrine Regulation
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Hexarelin Peptide: Ghrelin Receptor Activation and Growth Hormone Secretagogue Signaling
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MK-677 (Ibutamoren): Ghrelin Receptor Activation and Growth Hormone Secretagogue Research
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performance · recovery
IGF-1 LR3: Long R3 IGF-1 Analogue, Mechanism, Research Status, and Risks
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Human Growth Hormone (HGH): Endocrine Physiology and Growth Hormone Signaling
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Follistatin-344 Peptide: Myostatin Regulation and Muscle Growth Signaling Pathways
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Healing, recovery & immune
Peptides for healing →
BPC-157 Peptide: Tissue Repair Mechanisms and Research in Angiogenesis and Healing
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TB-500 Peptide: Cellular Migration, Angiogenesis, and Tissue Repair Research
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Thymosin Beta-4 Peptide: Cellular Migration, Angiogenesis, and Regenerative Signaling Pathways
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KPV Peptide: Anti-Inflammatory Signaling and Immune Modulation Research
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anti-aging · recovery
GHK-Cu Peptide: Copper Complex Signaling, Tissue Remodeling, and Skin Research
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recovery
LL-37 Peptide: The Human Cathelicidin, Antimicrobial and Wound-Healing Research, and Safety Questions
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recovery · anti-aging
Thymosin Alpha-1: Immune-Modulating Thymic Peptide, Mechanism, Research, and Dosing Context
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Cognitive & sleep
Nootropic peptides →
Semax Peptide: Neurotrophic Signaling Pathways and Research in Cognitive and Neurological Function
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Selank Peptide: Neuroregulatory Mechanisms and Research in Stress and Cognitive Signaling
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anti-aging
Dihexa Peptide: Angiotensin IV Analogue, HGF/c-Met Signaling, and the Evidence Gap
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Cerebrolysin Peptide Complex: Neurological Mechanisms and Research in Neurotrophic Therapy
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Delta Sleep-Inducing Peptide (DSIP): Neuroendocrine Mechanisms and Research in Sleep Regulation
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Longevity
Peptides for anti-aging →
anti-aging
Epitalon Peptide: Telomerase Activation, Pineal Signaling, and Longevity Research
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anti-aging
NAD+ Therapy: Cellular Metabolism, Precursor Pathways, and Longevity Research
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anti-aging
SS-31 Peptide (Elamipretide): Cardiolipin Targeting, Mitochondrial Research, and Regulatory Status
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Sexual & hormonal health
Peptides for libido →
PT-141 (Bremelanotide): Melanocortin Receptor Signaling and Neuroendocrine Research
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hormones
Kisspeptin: The Hypothalamic Signal Behind GnRH Pulses, Reproductive Research, and Sexual Function
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Testagen: Peptide Bioregulation and Testosterone Signaling Pathways
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Human Chorionic Gonadotropin (HCG): Reproductive Hormone Signaling and Endocrine Regulation
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Formulas, supplements & therapy overviews
Additional Specialties and Therapeutic Considerations in Integrative and Metabolic Medicine
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Candida Overgrowth and Microbiome Balance: Understanding Candida Cleanse Strategies in Clinical Practice
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Chillax: Neurological Stress Regulation and Autonomic Nervous System Balance
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Colon Health and Digestive Function: Clinical Perspectives on Colon Cleansing and Gastrointestinal Support
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Epicatechin: Flavonoid Signaling and Skeletal Muscle Physiology Research
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Erectile Dysfunction (ED): Clinical Causes, Physiological Mechanisms, and Therapeutic Considerations
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GLP Busters: Incretin Signaling and Metabolic Appetite Regulation
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Garcinia Lipolean: Hydroxycitric Acid and Lipid Metabolism Pathways
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Green Jacket: Plant-Derived Compounds and Metabolic Detoxification Pathways
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Hormone Replacement Therapy (HRT): Clinical Foundations, Therapeutic Strategies, and Endocrine Regulation
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Immune Support and Immune System Regulation: Physiological Mechanisms and Clinical Considerations
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Intravenous (IV) Chelation Therapy and Myers' Cocktail: Clinical Overview of Nutrient Infusion Therapies
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LGD-4033 (Ligandrol): Androgen Receptor Signaling and Skeletal Muscle Physiology Research
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Laxogenin: Plant-Derived Brassinosteroid and Skeletal Muscle Physiology Research
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Lipotropic Compounds in Metabolic Medicine: Biochemical Roles, Nutrient Pathways, and Clinical Applications
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Methylene Blue: Mitochondrial Metabolism and Redox Signaling
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Minoxidil + Biotin: Hair Follicle Physiology and Dermatologic Support
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NUFFOLIC: Folate Metabolism and Cellular Methylation Pathways
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Raspberry Ketones: Bioactive Compounds and Lipid Metabolism Research
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Slim Down: Physician-Guided Metabolic Weight Management Programs
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Super MIC: Lipotropic Compounds and Metabolic Support
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Supplement Services Education, Products, and Research in Clinical Practice
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Vitamin B-12: Metabolic Pathways and Neurological Function
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