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Knowledge Base
Guides on supplements, nutrition and the research behind them, written in plain language.
Showing 38 results: athlete-supplements All Articles
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Magnesium for Athletes: Why You're Probably Taking It Wrong
Sports nutritionist Rachel Kim explains magnesium's role in muscle function, why most athletes are deficient, and how to supplement correctly for reco...
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Tongkat Ali for Athletes: What the Research Actually Shows About Testosterone
Sports nutritionist Rachel Kim breaks down the evidence on tongkat ali for testosterone support in athletes—dosing, timing, and who should avoid it.
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Omega-3s for Concussion Recovery: What the Research Actually Shows
I was skeptical about high-dose omega-3s for brain injury—until I saw the data. Here's what changes for contact sport athletes.
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Hyaluronic Acid for Athletes: The Joint Lubrication Myth?
Most athletes are wasting money on hyaluronic acid supplements. Here's what the research actually shows about joint lubrication and what works instead...
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Targeted Nootropic Stacks for Precision, Endurance & Team Sports
Design sport-specific cognitive stacks for archery, marathon running, and basketball. Evidence-based dosing, timing, and brand recommendations from a...
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Ashwagandha for Athletes: The Real Science on Stress and Performance
Does ashwagandha actually help athletes? I'm breaking down the research on cortisol, recovery, and endurance—plus what I recommend to my clients.
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Ashwagandha Cycling: Why Athletes Shouldn't Take It Year-Round
I used to recommend ashwagandha daily—until I saw athletes develop tolerance. Here's the evidence-based cycling protocol I now use with clients.
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Collagen Peptides: The Joint Energy Secret Athletes Actually Need
That collagen hype? It's not just skin deep. I'll show you how peptides reduce energy loss through joint instability—with specific dosing that works.
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Stop Chugging Caffeine: Vagus Nerve Supplements for Calm Competition Energy
Most athletes use stimulants wrong for pre-game nerves. Here's how specific nutrients activate your vagus nerve for calm focus—backed by science and m...
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GABA for Athletes: My Take on Sleep & Overtraining Recovery
I was skeptical about GABA for sleep. Then I saw the data on overtrained athletes. Here's what changed my mind—and my recommendations for dosing and b...
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Rhodiola Rosea for Competition Focus: What Actually Works
That claim about rhodiola being a 'mental stimulant'? It's based on misread Soviet-era studies. Here's what the real research shows for athletes.
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Stop Buying Single Proteins: DIY Blends That Actually Work
Most protein powders are marketing fluff. I'll show you how to mix your own blends for recovery, muscle growth, and fat loss—backed by real research.
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Why Hydrolyzed Collagen Isn't Just for Skin: The Joint Energy Boost Athletes Miss
A 2023 meta-analysis shows collagen peptides reduce joint pain by 43% in athletes. Here's how it conserves energy and improves movement efficiency—plu...
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Creatine HCL vs Monohydrate: What Actually Works in the Gym
I've seen athletes waste money on creatine HCL for years. Here's what the research—and my weight room experience—actually shows about absorption and b...
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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.
