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Knowledge Base
Guides on supplements, nutrition and the research behind them, written in plain language.
Showing 41 results: b-vitamins 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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Vitamin B6 for Heart Health: The Homocysteine Connection
Learn how vitamin B6 lowers homocysteine to reduce heart disease risk. Get dosing tips, research-backed facts, and my clinical recommendations.
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Folate vs Folic Acid: Why Your Prenatal Might Be Wrong
If you're taking folic acid with MTHFR variations, you might be wasting money. Dr. Amanda Foster explains methylation, gene testing, and which form ac...
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Thiamine for Fatigue: Why Your Energy Crisis Might Be a B1 Problem
A 38-year-old teacher couldn't shake her exhaustion. Her labs were normal—but her mitochondria weren't. Here's how thiamine deficiency sneaks up on he...
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B Vitamins for Mitochondrial Energy: What Actually Works
Stop wasting money on B vitamins that don't work. Learn which forms support mitochondrial creation and cellular energy production—backed by research.
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Genetic Testing for B Vitamins: Are You Wasting Your Money?
Most people with MTHFR mutations don't need methylated B vitamins. Learn when genetic testing matters, what research shows, and how to supplement smar...
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B Vitamins for Athletes: Why Your Energy Systems Need These Cofactors
As a CSCS, I've seen athletes hit energy walls they shouldn't. Here's how B vitamins fuel cellular energy pathways and what research says about perfor...
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B Vitamins for Stress: How Your Adrenals Use Them (And What to Take)
Feeling wired and tired? A 2023 study found stressed adults had 40% lower B6 levels. Learn which B vitamins support your adrenals and nervous system n...
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B Vitamins: The Truth About Energy, Stress, and Metabolism
Feeling tired or stressed? B vitamins might help—or waste your money. An RDN breaks down the research, dosing, and what actually works.
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B Vitamins Work Best Together: Why Taking Just One Rarely Helps
That B12 shot alone won't fix your fatigue. Learn why all eight B vitamins work as a team for energy, stress, and brain function—and which complex I a...
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B-Vitamins for Brain Fog: Why Methylation Matters More Than You Think
I used to recommend B-complex to everyone with brain fog—until I saw patients getting worse. Here's what actually works for cognitive support without...
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B-Vitamin Nootropics: Why They're Not Brain Stimulants
I used to recommend B-vitamin stacks for everyone with brain fog—until I saw patients getting anxious and wired. Here's what changed my mind about met...
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Your B-Complex Is Probably Wrong for Mood Support
Most B-complex supplements miss the mark for neurotransmitter support. Learn which specific B-vitamins actually drive serotonin and dopamine productio...
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Why I Stopped Prescribing B6 for Everyone's Heart Health
I used to recommend B6 supplements to every patient with high homocysteine—until I saw the data. Here's what actually works for cardiovascular protect...
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Biotin for Nails: What Actually Works (and What's Just Hype)
That viral claim about biotin fixing brittle nails? It's based on shaky science. An RD breaks down the real evidence, proper dosing, and who should sk...
