Siim Land: The #1 Supplement That Keeps Your Body Younger

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Peer-Reviewed Research
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Siim Land

Video Summary · May 20, 2026

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Key Takeaways

  • Take 1g/day of omega-3s to slow biological aging by 3-4 months over 3 years (based on RCT data).
  • Combine omega-3s with vitamin D and exercise for additional anti-aging benefits (1-2 months further reduction).
  • Use omega-3s for heart health – they reduce plaque buildup, lower triglycerides, and decrease heart attack risk by 9% per additional gram/day.
  • Take 2,000mg/day of omega-3s to improve cognitive function (attention, memory, processing speed) based on 58 RCTs.
  • Use omega-3s for skin protection – they reduce UV damage and photoaging, contrary to social media claims.

Supplements & Protocols Mentioned

  • Omega-3s: 0.4-6g/day (optimal dose 1-2g/day) for general benefits, 2g/day specifically for muscle/cognition
  • Vitamin D: Pair with omega-3s for enhanced anti-aging effects (specific dosage not mentioned)

Notable Quotes

Randomized controlled trials that test these things in real humans are at a much higher quality of evidence… because you will see what happens in the real world.”

Bottom Line

Take 1-2g of omega-3s daily to slow aging, protect your heart and brain, reduce inflammation, and maintain muscle mass – the human clinical evidence overwhelmingly supports these benefits.

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Medical Disclaimer

This article is for informational purposes only and does not constitute medical advice. The research summaries presented here are based on published studies and should not be used as a substitute for professional medical consultation. Always consult a qualified healthcare provider before making any changes to your health regimen.

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