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Search the original documents cited in our guides. Find a study or label, then return to the guide for its population, outcomes and limitations.

By Peptide Clarity Guide · Revised October 2026

A PubMed listing is not a quality rating. A laboratory result, a biomarker change and a clinical benefit answer different questions. This finder is a citation index, not a systematic review or treatment recommendation. Source type identifies the document host; it does not certify study design.

Compound, question or study titleSource type

196 unique sources · 196 in this guide collection

Indexed research · 2026

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A Systematic Review of the Mechanisms and Therapeutic Applications of GHK-Cu (Glycyl-L-Histidyl-L-Lysine-Copper Complex) in Topical Microneedle Delivery: A Case for Expanded Clinical Trials.

Context and limitations

Comprehensive Long-Term Changes in Cardiovascular Risk Biomarkers With Tirzepatide: A SURMOUNT-1 Post Hoc Analysis.

Context and limitations

Dysesthesia associated with GLP-1 agonist therapies: data-mining analysis and literature review

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Effect of Nicotinamide Adenine Dinucleotide on Heart Failure Caused by Ischemic Cardiomyopathy: A Randomized, Placebo-Controlled Trial

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Effect of Semaglutide on the Inflammatory Biomarker High-Sensitivity CRP in Patients With Established Cardiovascular Disease and Overweight or Obesity in SELECT: A Prespecified Secondary Analysis.

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Effect of Semaglutide on Thigh Skeletal Muscle Volume, Fat Infiltration and Physical Function in People With Obesity: Secondary Analysis of STEP UP

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Efficacy and safety of oral semaglutide 14 mg (flexible dose) in early-stage symptomatic Alzheimer's disease (evoke and evoke+): two phase 3, randomised, placebo-controlled trials.

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Gastric ultrasound in patients receiving semaglutide: a prospective, multicentre, matched control study

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Gastroparesis induced by glucagon-like peptide-1 receptor agonists: A systematic review of clinical features, diagnosis, management, and outcomes

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Intravenous infusion of nicotinamide adenine dinucleotide (NAD+) versus nicotinamide riboside (NR): a retrospective tolerability pilot study in a real-world setting.

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Ixekizumab With Tirzepatide Achieved Greater Disease Control Than Ixekizumab Alone in Adults With Psoriatic Arthritis and Overweight or Obesity: Results From a Randomized Clinical Trial.

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NAD⁺ supplementation for anti-aging and wellness: A PRISMA-guided systematic review of preclinical and clinical evidence.

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Neuropsychiatric Outcomes With Tirzepatide, Semaglutide, and Other GLP-1 Receptor Agonists

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People With Lowest Physical Functioning Scores Showed Greatest Improvement After Tirzepatide Treatment.

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Retatrutide in adults with obesity and type 2 diabetes (TRIUMPH-2): a double-blind, parallel-group, randomised, placebo-controlled, phase 3 trial

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Retatrutide, a Triple Hormone Receptor Agonist, for Treatment of Obesity.

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The differential impact of three different NAD(+) boosters on circulatory NAD and microbial metabolism in humans

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The emerging landscape of performance-enhancing peptides modulating GH-IGF1 axis: bridging the gap between clinical evidence and patient self-administration.

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The National Psoriasis Foundation Primer on GLP-1 Receptor Agonists in Psoriasis: A Review.

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Association between weight reduction achieved with tirzepatide and quality of life in adults with obesity: Results from the SURMOUNT-1 study.

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Body composition changes during weight reduction with tirzepatide in the SURMOUNT-1 study of adults with obesity or overweight

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Effects of retatrutide on body composition in people with type 2 diabetes: a substudy of a phase 2, double-blind, parallel-group, placebo-controlled, randomised trial

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An Assessment of the Safety, Efficacy, and Tolerability of a Novel Scalp Treatment Regimen Combining a Hydroxy Acid-Based Scrub and Copper Tripeptide Serum in the Management of Seborrheic Dermatitis in Adults.

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Changes in lean body mass with glucagon-like peptide-1-based therapies and mitigation strategies

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