What is the Longevity Research Library?

The Longevity Austria Research Library curates recent peer-reviewed studies on longevity, nutrition, exercise, sleep, and supplements. Each study is rated by evidence strength: Strong, Moderate, or Preliminary.

How are evidence levels determined?

Evidence levels are based on study type (meta-analysis, RCT, cohort study), sample size, journal impact factor, and reproducibility of findings.

Research Digest

Research Library

Peer-reviewed papers from top journals, summarized and graded by evidence strength. Updated Mon, Wed & Fri.

Evidence

3/125

Topic

Jun 14–20, 2026

2 studies

GLP-1

Why GLP-1 Weight Loss Can Cost You Muscle After 60

GLP-1 drugs like Ozempic help older adults shed weight, but a lot of that loss can be muscle.

Current nutrition reports·Moderate·Jun 17, 2026

GLP-1

Tirzepatide Works Just as Well and as Safely for Adults Over 65

Tirzepatide is the popular GLP-1 weight loss drug also sold as Mounjaro and Zepbound.

Diabetes, obesity & metabolism·Moderate·Jun 16, 2026

May 31 – Jun 6, 2026

1 study

GLP-1

A New Drug Combo May Protect Muscle During Ozempic-Style Weight Loss

Drugs like semaglutide help people lose weight but often shrink muscle too.

Proceedings of the National Academy of Sciences of the United States of America·Preliminary·Jun 2, 2026

Disclaimer: Research summaries are provided for informational purposes only and do not constitute medical advice. Always consult a qualified healthcare professional before making changes to your health routine.

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