Siim Land: Drink 1 Cup a Day to Save Your Arteries

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Peer-Reviewed Research
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Siim Land

Video Summary · May 15, 2026

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Key Takeaways

  • Drink high-flavanol cocoa (200-600mg flavanols) daily to counteract reduced circulation from sitting. Use 10-12g high-flavanol cocoa powder or 30-50g 85%+ dark chocolate.
  • Pair cocoa with movement – break up sitting with soleus push-ups or short walks to further improve blood flow.
  • Choose low heavy-metal cocoa from West Africa/Indonesia, avoid Dutch-processed cocoa, and limit intake to 5-15g powder or 20-30g dark chocolate daily.
  • Combine sources like 1 tbsp regular cocoa + green tea or dark chocolate + berries to reach 200-600mg flavanol target.

Supplements & Protocols Mentioned

  • High-flavanol cocoa powder: 10-12g (500-700mg flavanols)
  • Raw cacao powder: 10-12g (150-400mg flavanols)
  • Dark chocolate 85-90%: 30-40g (250-500mg flavanols)
  • Green tea: 1 cup (50-100mg flavanols)

Notable Quotes

“High cardiorespiratory fitness didn’t prevent sitting-induced vascular dysfunction… but high-dose cocoa flavanols of 695mg prevented the decline in blood vessel function.”

Bottom Line

Consume 200-600mg flavanols daily from cocoa/dark chocolate while minimizing sitting time to protect arterial function – prioritize high-flavanol, low heavy-metal sources.

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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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