What is the Longevity Research Library?

The Longevity Germany 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

3/121

Topic

Mar 15–21, 2026

2 studies

sarcopenia

Resistance Training Plus Amino Acids Beat Either Alone for Muscle in Older Women

In healthy women aged 65 and older, combining resistance exercise with essential amino acid supplements for 12 weeks increased muscle mass…

Journal of the International Society of Sports Nutrition·Moderate·Mar 21, 2026

longevity

Eight Hyped Compounds Failed to Extend Lifespan in a Major Mouse Study

The NIA's Interventions Testing Program tested eight compounds across three lab sites in genetically diverse mice.

GeroScience·Strong·Mar 17, 2026

Mar 1–7, 2026

1 study

supplements

Vitamin K2 Didn't Help Muscle Recovery in This 12-Week Trial

After 12 weeks of daily vitamin K2 supplements, neither young nor older adults saw improvements in muscle strength, soreness, or physical…

Medicine and science in sports and exercise·Moderate·Mar 5, 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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