Research Library
Peer-reviewed papers from top journals, summarized and graded by evidence strength. Updated Mon, Wed & Fri.
2 papers added this week294 in the library
| Study | Evidence | Type | n | Journal | Date |
|---|---|---|---|---|---|
| Sep 21–27, 20261 study | |||||
| B12 Pills, Drops or Shots All Raise Levels, but None Proven Better for SymptomsPills, under-the-tongue tablets and injections all bring vitamin B12 blood levels back up. | Preliminary | Journal Article | 20 | EClinicalMedicine | |
| May 25–31, 20261 study | |||||
| Vitamin D Deficiency Tied to Higher Diabetes Risk in Older AdultsAmong 1,324 adults over 60, about a quarter were vitamin D deficient and over half had either diabetes or prediabetes. | Moderate | Journal Article | 1,324 | Journal of diabetes and metabolic disorders | |
| May 18–24, 20261 study | |||||
| Most Older and Darker-Skinned Adults in Northern Britain Are Low on Vitamin D, Even in SummerResearchers screened older adults and people with darker skin tones in northern Britain for vitamin D levels across the year. | Moderate | Journal Article | 299 | European journal of clinical nutrition | |
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.
Common questions
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.
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