MOTS-C $1.63/mg @ My Amino Lab BPC-157 $2.60/mg @ S1 Research NAD+ $0.05/mg @ Driven Ones TESAMORELIN $3.80/mg @ Driven Ones RETATRUTIDE $2.02/mg @ Driven Ones CJC-1295 $3.00/mg @ Modern Research Peptides TB-500 $2.97/mg @ PureHealth Peptides SELANK $2.60/mg @ Driven Ones TIRZEPATIDE $1.35/mg @ Driven Ones IPAMORELIN $2.70/mg @ Modern Research Peptides DSIP $3.07/mg @ Nationwide Peptides SEMAX $1.50/mg @ Peptide Partners PT-141 $2.10/mg @ Tegridy-Research AOD-9604 $5.00/mg @ LA Peptides EPITHALON $1.40/mg @ Red Rock Peptides GLUTATHIONE $0.03/mg @ S1 Research SERMORELIN $3.90/mg @ Tegridy-Research MELANOTAN II $2.50/mg @ Atomix Research THYMOSIN ALPHA-1 $4.20/mg @ Peptide Partners GHK-CU $0.50/mg @ Biocollex Research KISSPEPTIN $3.40/mg @ Welli Labs CAGRILINTIDE $4.60/mg @ Driven Ones SEMAGLUTIDE $1.70/mg @ Driven Ones IGF-1 LR3 $48.00/mg @ S1 Research MOTS-C $1.63/mg @ My Amino Lab BPC-157 $2.60/mg @ S1 Research NAD+ $0.05/mg @ Driven Ones TESAMORELIN $3.80/mg @ Driven Ones RETATRUTIDE $2.02/mg @ Driven Ones CJC-1295 $3.00/mg @ Modern Research Peptides TB-500 $2.97/mg @ PureHealth Peptides SELANK $2.60/mg @ Driven Ones TIRZEPATIDE $1.35/mg @ Driven Ones IPAMORELIN $2.70/mg @ Modern Research Peptides DSIP $3.07/mg @ Nationwide Peptides SEMAX $1.50/mg @ Peptide Partners PT-141 $2.10/mg @ Tegridy-Research AOD-9604 $5.00/mg @ LA Peptides EPITHALON $1.40/mg @ Red Rock Peptides GLUTATHIONE $0.03/mg @ S1 Research SERMORELIN $3.90/mg @ Tegridy-Research MELANOTAN II $2.50/mg @ Atomix Research THYMOSIN ALPHA-1 $4.20/mg @ Peptide Partners GHK-CU $0.50/mg @ Biocollex Research KISSPEPTIN $3.40/mg @ Welli Labs CAGRILINTIDE $4.60/mg @ Driven Ones SEMAGLUTIDE $1.70/mg @ Driven Ones IGF-1 LR3 $48.00/mg @ S1 Research
pepmg_ The transparent price-per-mg index for research peptides.

Peer-reviewed research

Every peer-reviewed study we cite across the compounds we track, gathered in one place and linked straight to its PubMed record. We summarize the literature and point you to it — we don't interpret it. Nothing here is an endorsement, an efficacy or safety claim, or dosing guidance. Everything is research use only.

Evidence reviews

Neutral, fact-checked summaries of the peer-reviewed literature per compound — every claim cited, every source linked. Research use only.

Every study we cite

72 studies across 24 compounds

BPC-157 3 studies

  1. Gastric pentadecapeptide body protection compound BPC 157 and its role in accelerating musculoskeletal soft tissue healing
    Review human Cell and tissue research · 2019 · PMID 30915550
  2. Stable Gastric Pentadecapeptide BPC 157 and Wound Healing
    Review Frontiers in pharmacology · 2021 · PMID 34267654
  3. Emerging Use of BPC-157 in Orthopaedic Sports Medicine: A Systematic Review
    Review HSS journal · 2025 · PMID 40756949

Retatrutide 3 studies

  1. Triple-Hormone-Receptor Agonist Retatrutide for Obesity - A Phase 2 Trial
    RCT human The New England journal of medicine · 2023 · PMID 37366315
  2. Triple hormone receptor agonist retatrutide for metabolic dysfunction-associated steatotic liver disease: a randomized phase 2a trial
    RCT human Nature medicine · 2024 · PMID 38858523
  3. Effects of once-weekly subcutaneous retatrutide on weight and metabolic markers: A systematic review and meta-analysis of randomized controlled trials
    Review Metabolism open · 2024 · PMID 39318607

Tirzepatide 3 studies

  1. Efficacy and safety of a novel dual GIP and GLP-1 receptor agonist tirzepatide in patients with type 2 diabetes (SURPASS-1): a double-blind, randomised, phase 3 trial
    RCT human Lancet · 2021 · PMID 34186022
  2. Tirzepatide once weekly for the treatment of obesity in people with type 2 diabetes (SURMOUNT-2): a double-blind, randomised, multicentre, placebo-controlled, phase 3 trial
    RCT human Lancet · 2023 · PMID 37385275
  3. Tirzepatide as Compared with Semaglutide for the Treatment of Obesity
    Clinical trial human The New England journal of medicine · 2025 · PMID 40353578

Semaglutide 3 studies

  1. Semaglutide 2·4 mg once a week in adults with overweight or obesity, and type 2 diabetes (STEP 2): a randomised, double-blind, double-dummy, placebo-controlled, phase 3 trial
    RCT human Lancet · 2021 · PMID 33667417
  2. Efficacy and Safety of Semaglutide for Weight Loss in Obesity Without Diabetes: A Systematic Review and Meta-Analysis
    Meta-analysis human Journal of the ASEAN Federation of Endocrine Societies · 2022 · PMID 36578889
  3. Safety of Semaglutide
    Review human Frontiers in endocrinology · 2021 · PMID 34305810

TB-500 3 studies

  1. Thymosin beta-4 denotes new directions towards developing prosperous anti-aging regenerative therapies
    Review human International immunopharmacology · 2023 · PMID 36709593
  2. Cardioprotection by Thymosin Beta 4
    Review human Vitamins and hormones · 2016 · PMID 27450736
  3. Thymosin beta 4 as an Alzheimer disease intervention target identified using human brain organoids
    Study human Stem cell reports · 2025 · PMID 40816274

Tesamorelin 3 studies

  1. Tesamorelin: a review of its use in the management of HIV-associated lipodystrophy
    Review human Drugs · 2011 · PMID 21668043
  2. Efficacy and safety of tesamorelin in people with HIV on integrase inhibitors
    RCT human AIDS · 2024 · PMID 38905488
  3. Effects of tesamorelin on hepatic transcriptomic signatures in HIV-associated NAFLD
    RCT human JCI insight · 2020 · PMID 32701508

Cagrilintide 3 studies

  1. Once-weekly cagrilintide for weight management in people with overweight and obesity: a multicentre, randomised, double-blind, placebo-controlled and active-controlled, dose-finding phase 2 trial
    RCT human Lancet · 2021 · PMID 34798060
  2. Coadministered Cagrilintide and Semaglutide in Adults with Overweight or Obesity
    RCT human The New England journal of medicine · 2025 · PMID 40544433
  3. Development of Cagrilintide, a Long-Acting Amylin Analogue
    Study human Journal of medicinal chemistry · 2021 · PMID 34288673

Ipamorelin 3 studies

  1. Ipamorelin, the first selective growth hormone secretagogue
    Study animal European journal of endocrinology · 1998 · PMID 9849822
  2. Ipamorelin, a new growth-hormone-releasing peptide, induces longitudinal bone growth in rats
    Study animal Growth hormone & IGF research · 1999 · PMID 10373343
  3. Pharmacokinetic-pharmacodynamic modeling of ipamorelin, a growth hormone releasing peptide, in human volunteers
    RCT human Pharmaceutical research · 1999 · PMID 10496658

CJC-1295 3 studies

  1. Prolonged stimulation of growth hormone (GH) and insulin-like growth factor I secretion by CJC-1295, a long-acting analog of GH-releasing hormone, in healthy adults
    RCT human The Journal of clinical endocrinology and metabolism · 2006 · PMID 16352683
  2. Once-daily administration of CJC-1295, a long-acting growth hormone-releasing hormone (GHRH) analog, normalizes growth in the GHRH knockout mouse
    Study animal American journal of physiology. Endocrinology and metabolism · 2006 · PMID 16822960
  3. Netnography of Female Use of the Synthetic Growth Hormone CJC-1295: Pulses and Potions
    Review human Substance use & misuse · 2016 · PMID 26771670

Sermorelin 3 studies

  1. Sermorelin: a better approach to management of adult-onset growth hormone insufficiency?
    Study human Clinical interventions in aging · 2006 · PMID 18046908
  2. Sermorelin: a review of its use in the diagnosis and treatment of children with idiopathic growth hormone deficiency
    Study BioDrugs · 1999 · PMID 18031173
  3. Beyond the androgen receptor: the role of growth hormone secretagogues in the modern management of body composition in hypogonadal males
    Review Translational andrology and urology · 2020 · PMID 32257855

NAD+ 3 studies

  1. NAD(+) metabolism and its roles in cellular processes during ageing
    Review human Nature reviews. Molecular cell biology · 2021 · PMID 33353981
  2. NAD⁺ in aging, metabolism, and neurodegeneration
    Review human Science · 2015 · PMID 26785480
  3. The Safety and Antiaging Effects of Nicotinamide Mononucleotide in Human Clinical Trials: an Update
    Review human Advances in nutrition · 2023 · PMID 37619764

MOTS-c 3 studies

  1. The mitochondrial-derived peptide MOTS-c promotes metabolic homeostasis and reduces obesity and insulin resistance
    Study human Cell metabolism · 2015 · PMID 25738459
  2. MOTS-c: A promising mitochondrial-derived peptide for therapeutic exploitation
    Review human Frontiers in endocrinology · 2023 · PMID 36761202
  3. MOTS-c Functionally Prevents Metabolic Disorders
    Review Metabolites · 2023 · PMID 36677050

GHK-Cu 3 studies

  1. Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data
    Review human International journal of molecular sciences · 2018 · PMID 29986520
  2. The potential of GHK as an anti-aging peptide
    Study Aging pathobiology and therapeutics · 2020 · PMID 35083444
  3. GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration
    Review human BioMed research international · 2015 · PMID 26236730

Melanotan II 3 studies

  1. Melanotan-II reverses memory impairment induced by a short-term HF diet
    Study animal Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2023 · PMID 37478579
  2. Melanotan-associated melanoma
    Observational human The British journal of dermatology · 2011 · PMID 21564053
  3. Melanotan II: a possible cause of renal infarction: review of the literature and case report
    Review human CEN case reports · 2020 · PMID 31953620

PT-141 3 studies

  1. Bremelanotide: First Approval
    Review human Drugs · 2019 · PMID 31429064
  2. Bremelanotide: New Drug Approved for Treating Hypoactive Sexual Desire Disorder
    Systematic review human The Annals of pharmacotherapy · 2020 · PMID 31893927
  3. Bremelanotide for Treatment of Female Hypoactive Sexual Desire
    Review Neurology international · 2022 · PMID 35076581

Selank 3 studies

  1. Selank Administration Affects the Expression of Some Genes Involved in GABAergic Neurotransmission
    Study Frontiers in pharmacology · 2016 · PMID 26924987
  2. Selank, Peptide Analogue of Tuftsin, Protects Against Ethanol-Induced Memory Impairment by Regulating of BDNF Content in the Hippocampus and Prefrontal Cortex in Rats
    Study animal Bulletin of experimental biology and medicine · 2019 · PMID 31625062
  3. The Influence of Selank on the Level of Cytokines Under the Conditions of "Social" Stress
    Study animal Current reviews in clinical and experimental pharmacology · 2021 · PMID 32621722

Semax 3 studies

  1. Semax, an ACTH(4-10) analogue with nootropic properties, activates dopaminergic and serotoninergic brain systems in rodents
    Study animal Neurochemical research · 2005 · PMID 16362768
  2. Semax and Pro-Gly-Pro activate the transcription of neurotrophins and their receptor genes after cerebral ischemia
    Study animal Cellular and molecular neurobiology · 2010 · PMID 19633950
  3. Semax peptide targets the μ opioid receptor gene Oprm1 to promote deubiquitination and functional recovery after spinal cord injury in female mice
    Study animal British journal of pharmacology · 2025 · PMID 40692165

Kisspeptin 3 studies

  1. The Role of Kisspeptin in the Control of the Hypothalamic-Pituitary-Gonadal Axis and Reproduction
    Review human Frontiers in endocrinology · 2022 · PMID 35837314
  2. Metabolic regulation of kisspeptin - the link between energy balance and reproduction
    Review human Nature reviews. Endocrinology · 2020 · PMID 32427949
  3. Kisspeptin and Glucose Homeostasis
    Review human Seminars in reproductive medicine · 2019 · PMID 31869842

Epithalon 3 studies

  1. Overview of Epitalon-Highly Bioactive Pineal Tetrapeptide with Promising Properties
    Review human International journal of molecular sciences · 2025 · PMID 40141333
  2. Epitalon increases telomere length in human cell lines through telomerase upregulation or ALT activity
    Study human Biogerontology · 2025 · PMID 40908429
  3. Epitalon protects against post-ovulatory aging-related damage of mouse oocytes in vitro
    Study animal Aging · 2022 · PMID 35413689

AOD-9604 3 studies

  1. AOD-9604 Metabolic
    Review human Current opinion in investigational drugs (London, England · 2004 · PMID 15134286
  2. Effect of Intra-articular Injection of AOD9604 with or without Hyaluronic Acid in Rabbit Osteoarthritis Model
    Study animal Annals of clinical and laboratory science · 2015 · PMID 26275694
  3. Detection and in vitro metabolism of AOD9604
    Study human Drug testing and analysis · 2015 · PMID 25208511

Glutathione 3 studies

  1. Supplementing Glycine and N-Acetylcysteine (GlyNAC) in Older Adults Improves Glutathione Deficiency, Oxidative Stress, Mitochondrial Dysfunction, Inflammation, Physical Function, and Aging Hallmarks: A Randomized Clinical Trial
    RCT human The journals of gerontology. Series A, Biological sciences and medical sciences · 2023 · PMID 35975308
  2. Randomized controlled trial of oral glutathione supplementation on body stores of glutathione
    RCT human European journal of nutrition · 2015 · PMID 24791752
  3. GlyNAC Supplementation Improves Glutathione Deficiency, Oxidative Stress, Mitochondrial Dysfunction, Inflammation, Aging Hallmarks, Metabolic Defects, Muscle Strength, Cognitive Decline, and Body Composition: Implications for Healthy Aging
    Review human The Journal of nutrition · 2021 · PMID 34587244

Thymosin Alpha-1 3 studies

  1. The efficacy and safety of thymosin α1 for sepsis (TESTS): multicentre, double blinded, randomised, placebo controlled, phase 3 trial
    RCT human BMJ · 2025 · PMID 39814420
  2. Thymosin alpha-1 treatment in chronic hepatitis B
    Study human Expert opinion on biological therapy · 2015 · PMID 25640173
  3. Aging and Thymosin Alpha-1
    Review human International journal of molecular sciences · 2025 · PMID 41373628

DSIP 3 studies

  1. Delta-sleep-inducing peptide (DSIP): a review
    Review human Neuroscience and biobehavioral reviews · 1984 · PMID 6145137
  2. Delta sleep-inducing peptide (DSIP): a still unresolved riddle
    Review human Journal of neurochemistry · 2006 · PMID 16539679
  3. Delta Sleep-Inducing Peptide Recovers Motor Function in SD Rats after Focal Stroke
    Study animal Molecules · 2021 · PMID 34500605

IGF-1 LR3 3 studies

  1. IGF-1 LR3 does not promote growth in late-gestation growth-restricted fetal sheep
    Study animal American journal of physiology. Endocrinology and metabolism · 2025 · PMID 39679943
  2. Sheep recombinant IGF-1 promotes organ-specific growth in fetal sheep
    Study Frontiers in physiology · 2022 · PMID 36091374
  3. Recombinant expression of IGF-1 and LR3 IGF-1 fused with xylanase in Pichia pastoris
    Study human Applied microbiology and biotechnology · 2023 · PMID 37261455

A representative set of studies for each compound, linked straight to PubMed — not an endorsement or a claim that any result applies to human use. Read them and judge for yourself. pepmg sells nothing and gives no medical, dosing, or human-use guidance. Everything here is research use only.