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Knowledge Base

Guides on supplements, nutrition and the research behind them, written in plain language.

Showing 4 results: endurance-performance All Articles

  1. Cordyceps for VO2 Max: What Actually Works (And What Doesn't)

    I was skeptical about cordyceps for years. Then I saw the data on oxygen utilization. Here's what the research shows for endurance athletes.

    Sports & Energy 8 min read

  2. Methylene Blue for Athletes: Mitochondrial Boost or Overhyped?

    I was skeptical about methylene blue for sports performance until I saw the mitochondrial data. Here's what the research actually shows—and who should...

    Sports & Energy 8 min read

  3. Beetroot Juice vs. Nitrate Pills: What Actually Works for Performance?

    I'm tired of athletes wasting money on the wrong nitric oxide booster. Here's what the research—and my 12 years with athletes—says about beetroot juic...

    Sports & Energy 8 min read

  4. Pomegranate Extract for Athletes: The Real Nitric Oxide Science

    Sports nutritionist Rachel Kim breaks down the research on pomegranate extract for nitric oxide enhancement, endurance performance, and recovery—with...

    Sports & Energy 8 min read