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Knowledge Base
Guides on supplements, nutrition and the research behind them, written in plain language.
Showing 31 results: endurance-supplements All Articles
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B Vitamins for Athletes: The Cellular Energy Boost You're Missing
I was wrong about B vitamins for years. Here's what the research shows about optimizing cellular energy conversion for sports performance.
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Rhodiola Rosea for Altitude Training: What Actually Works
A CSCS breaks down rhodiola protocols for altitude adaptation—dosing, timing, and what the research really shows for performance.
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Acetyl-L-Carnitine: The Mitochondrial Shuttle for Fat Burning & Brain Energy
ALCAR transports fatty acids into mitochondria for energy. Learn how athletes use it for fat metabolism, cognitive energy, and mitochondrial function—...
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PQQ for Mitochondrial Biogenesis: My Reversal on This Cellular Energy Booster
I used to dismiss PQQ as hype—until I saw the mitochondrial biogenesis data. Here's how pyrroloquinoline quinone actually builds cellular energy facto...
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Is Bovine Colostrum the Secret to Unlocking Athletic Energy?
Bovine colostrum isn't just for calves. As a CSCS, I break down the research on how it supports gut health and immune function to fuel consistent trai...
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Pomegranate Extract: The Nitric Oxide Boost Your Workouts Need
How pomegranate extract boosts nitric oxide production and mitochondrial efficiency for better endurance. Dosing, research, and what athletes should k...
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Cordyceps for Athletes: VO2 Max Boost or Just Another Mushroom?
A sports nutritionist examines whether cordyceps mushroom supplements actually improve oxygen utilization or if it's all marketing hype for endurance...
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Tyrosine for Endurance: How This Dopamine Precursor Keeps Your Brain Going When Your Body Wants to Quit
I was skeptical about tyrosine for years—until I saw what it did for marathoners and Ironman athletes. Here's the research-backed dosing, timing, and...
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Beetroot vs. Citrulline: My Nitric Oxide Showdown for Athletes
A sports nutritionist breaks down beetroot vs. citrulline for nitric oxide, blood flow & performance. Get dosing, research & my pick.
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Cordyceps for Endurance: Does This Mushroom Actually Boost Athletic Performance?
Dr. Amanda Foster, MD examines the science behind cordyceps for endurance, oxygen use, and workout enhancement—with dosing, brand picks, and who shoul...
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PQQ for Athletes: My Mitochondrial Biogenesis Reversal
I used to dismiss PQQ as hype—until I saw the mitochondrial biogenesis data. Here's why I now recommend it to endurance athletes and CrossFit competit...
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Alpha-Lipoic Acid: The Muscle Fuel Secret Most Athletes Miss
Most athletes waste money on pre-workouts that don't work. Alpha-lipoic acid actually improves glucose uptake in muscles—here's the science and dosing...
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PQQ for Endurance: The Mitochondrial Biogenesis Supplement That Actually Works
Frustrated with endurance supplements that don't deliver? Sports nutritionist Marcus Chen explains how PQQ boosts mitochondrial biogenesis for real en...
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Cordyceps Mushroom: Why I Stopped Calling It Just Another Supplement
I used to dismiss cordyceps as hype—until I saw the oxygen utilization data. Here's what changed my mind, plus dosing tips from my clinic.
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Caffeine Patches for Endurance: Steady Energy Without Gut Issues
Smart caffeine patches deliver steady energy release for long events without GI distress. I review the research, dosing, and who should avoid them.
