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Knowledge Base
Guides on supplements, nutrition and the research behind them, written in plain language.
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Berberine vs Metformin: What the Research Really Says About Blood Sugar
Dr. Amanda Foster, MD, compares berberine and metformin for blood sugar control. Evidence-based review of mechanisms, efficacy, and who should avoid e...
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Mucuna Pruriens: Natural L-Dopa for Dopamine & Libido—What You Need to Know
Is mucuna pruriens a safe natural L-dopa source for dopamine and libido? A CNS explains research, dosing, and key cautions based on 10 years of clinic...
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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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Nettle Leaf: The Natural Antihistamine That Actually Works
Dr. Sarah Chen explains how nettle leaf reduces allergy symptoms, supports hair growth, and delivers essential minerals—backed by clinical research an...
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Protein Powder Cooking Guide: Which Sources Survive Heat Without Denaturing
I used to tell athletes to never cook with protein powder—until lab tests changed my mind. Here's which proteins handle heat and which turn to useless...
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MSM for Joints & Skin: What the Sulfur Supplement Actually Does
A physician's look at MSM for joint inflammation and skin elasticity. I cover the research, dosing, who should avoid it, and what brands I trust.
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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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Astaxanthin: The Antioxidant That Actually Works for Skin & Eyes
That claim about astaxanthin being 6,000x stronger than vitamin C? It's misleading marketing. Here's what the real research shows for UV protection an...
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Mushroom Extraction: Why Dual Extraction Matters More Than You Think
Dr. Sarah Chen explains why dual extraction preserves both beta-glucans and triterpenes—and which mushroom supplements actually work based on the scie...
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EMF Protection for Athletes: What Actually Works for Recovery
Tired of EMF protection myths? CSCS Marcus Chen breaks down the real science on supplements that might help athletes recover from electromagnetic fiel...
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BFR Training: The Low-Impact Metabolic Boost Your Joints Need
Dr. Amanda Foster explains how blood flow restriction training can boost metabolism with minimal joint stress. Evidence-based protocols for weight man...
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Iodine & Breast Health: What Actually Helps Fibrocystic Tissue
That claim about iodine curing breast pain? It's based on flawed studies. Here's what the research actually shows about iodine for fibrocystic breast...
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Holy Basil vs Ashwagandha: Which Adaptogen Fits Your Stress?
Stuck between holy basil and ashwagandha? Dr. Michael Torres, ND, breaks down the research, dosing, and which adaptogen matches your specific stress p...
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NAC: The Liver's Best Friend or Overhyped Antioxidant?
Dr. Sarah Chen, PhD, RD, busts myths on NAC. Learn the real science behind liver support, glutathione boosting, and safe dosing from an 18-year practi...
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Long COVID Recovery: Why Electrolytes Matter More Than You Think
Dr. Amanda Foster explains why standard hydration fails in long COVID, shares targeted electrolyte protocols, and names specific brands she uses in pr...
