Expert profile
Siim Land
Practitioner
Longevity • human performance • evidence-based supplement evaluation
1Discussion
48 minAnalysed
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About the expert
Focus: Methodology-led supplement and longevity intervention assessment
Siim Land is an Estonian author, anthropologist, and speaker focused on longevity and human performance. He has written multiple books synthesizing research across nutrition, fasting, and supplementation. He is not a peer-reviewed researcher but has developed a reputation for methodology-led evaluation of health interventions and runs an online longevity community.
Expert discussions with Siim Land
I Researched 100+ Supplements: The Truth About What Actually Works
Siim Land, an Estonian author and longevity researcher, synthesizes five years of supplement research into a tiered framework: supplements with consistent human RCT support, supplements without convincing data, and promising-but-unproven supplements requiring more research. Specific picks include creatine, omega-3, ashwagandha, glycine, NAC, and turmeric in the top tier; BCAAs, beta-carotene, tribulus, and oral glutathione in the no-evidence tier; spermidine, NMN, urolithin A, and senolytics in the promising tier.