B12 Shots vs. Under-the-Tongue Drops: What Actually Works?
A clinical dietitian breaks down the real science behind B12 absorption methods—shots, drops, pills—and who actually nee...
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B12 for Nerve Repair: What Actually Works (and What Doesn't)
That TikTok trend about mega-dosing B12 for neuropathy? It's based on bad science. Here's what the research actually sho...
Cobalt & B12: What Your Gut Bacteria Actually Do (And Don't Do)
Frustrated by cobalt supplement hype? RDN Marissa Thompson breaks down the real science of gut bacteria B12 production—a...
Vegan B12 Deficiency: What Your Doctor Isn't Telling You
As a physician, I've seen too many vegans with preventable B12 problems. Here's what actually works—and what doesn't—bas...
Cobalt's Hidden Role: The Mineral at the Heart of Your B12
Dr. Amanda Foster explains why cobalt isn't just an industrial metal—it's the essential mineral cofactor in vitamin B12...
Your B12 Supplement Probably Isn't Working—Here's Why
Most oral B12 supplements fail due to absorption problems. A CNS explains the real causes—from intrinsic factor to gut h...
Your B12 Supplement Might Be Useless for Nerve Repair—Here's Why
Most B12 supplements won't fix neuropathy. Discover the right forms, doses, and testing needed for actual nerve repair a...
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...
Why I Stopped Recommending Cyanocobalamin for Nerve Health
I used to think cyanocobalamin was fine—until I saw the nerve repair data. Here's why methylcobalamin wins for neurologi...
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...
B12's Myelin Magic: How This Vitamin Protects Your Nerves
Discover vitamin B12's critical role in maintaining myelin sheaths for nerve health. Learn proper dosing, forms, and who...
B12 Nasal Spray vs. Sublingual: Which Actually Works Better?
I was skeptical about B12 nasal sprays until I saw the data. Here's what the research shows about absorption rates, conv...