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Knowledge Base
Guides on supplements, nutrition and the research behind them, written in plain language.
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Stop Wasting Protein After Injury: What Actually Works for Muscle Repair
Most athletes are taking protein wrong after injuries. Here's the evidence-based protocol for faster muscle, tendon, and ligament healing—with specifi...
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Lion's Mane Mushroom: The Neural Energy Boost Athletes Are Missing
Frustrated by cognitive fog during workouts? Sports nutritionist Rachel Kim explains how lion's mane mushroom supports neural energy and movement coor...
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I Was Wrong About Gut-Brain Supplements: A Doctor's Guide to Curbing Cravings
I used to dismiss gut-brain supplements as hype. New research on vagus nerve signaling changed my mind. Here's what actually works to reduce cravings.
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Butterbur for Allergies: The Natural Antihistamine That Actually Works
Tired of drowsy allergy meds? Butterbur (Petasites hybridus) offers real relief without the fog. I'll show you the research, dosing, and which PA-free...
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Quercetin: The Zinc Ionophore Your Immune System Actually Needs
Stop taking quercetin wrong. A PhD nutritionist explains the real science, proper dosing, and which brands actually work for immune support and allerg...
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My Patient's Heart Palpitations Stopped After We Fixed This
A cardiologist sent me a 48-year-old teacher with PVCs. We didn't change her meds—we fixed her magnesium. Here's the evidence and exact protocol I use...
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Chew More, Eat Less: How Food Texture Controls Your Appetite
I used to think texture was just about preference. Then I saw the research on chewing time and calorie intake—here's what actually works for weight ma...
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Potassium Isn't Just for Blood Pressure: What I Tell Athletes About Muscle Function
I used to think potassium was just about blood pressure—until I saw how it transformed muscle cramps and exercise recovery. Here's what the research r...
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Protein's Hidden Power: How It Shuts Down Hunger for Fat Loss
I was wrong about protein timing for years. Here's how protein actually controls hunger hormones, boosts fullness, and preserves muscle during fat los...
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Collagen for Lifters: Does It Actually Protect Your Joints?
I'm tired of seeing lifters waste money on collagen supplements that don't work. Here's what the research actually shows about collagen for joint prot...
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MCT Oil for Weight Loss: What the Science Actually Says
Dr. Amanda Foster, MD, separates fact from fiction on MCT oil for weight management. Evidence-based dosing, brand picks, and who should avoid it.
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AI Herb Blends: My Medical Take on Personalized Supplements & Privacy
Dr. Amanda Foster examines AI-driven herb recommendations based on at-home testing—what works, what doesn't, and the privacy risks you need to know.
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Astaxanthin for Exercise Recovery: What the Science Really Shows
Can this red algae antioxidant reduce post-workout inflammation and support weight loss? An RDN examines the evidence, dosing, and who should skip it.
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Ultra-Endurance Electrolytes: Why Most Formulas Fail After Hour 4
That 'balanced' electrolyte drink you're using for 100-milers? It's probably causing more problems than it solves. Here's what research says actually...
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Calcium's Hidden Role in Muscle Function: Beyond Just Bones
Discover how calcium powers every muscle movement through excitation-contraction coupling—and why getting it wrong affects everything from workouts to...
