Tag: vitamin C

Diagram showing neutrophil vitamin C accumulation and antioxidant regeneration during pathogen killing
ExplainersPerspectives

Vitamin C Does Not Boost Immunity—It Regenerates the Cells That Kill Pathogens

Vitamin C does not stimulate immunity—it regenerates the antioxidant defences of neutrophils, allowing immune cells to function across multiple pathogen…

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GMJ Perspectives Desk
Diagram showing collagen triple helix formation and the role of vitamin C in hydroxylation modification
Clinical UpdatesExplainersPerspectivesPractice

Why Vitamin C Is Essential for Collagen Formation—and Why Supplements Often Miss the Mark

Vitamin C is not optional in collagen formation—it is catalytic. Your body continuously synthesizes collagen, but the newly formed protein…

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GMJ Practice Desk
Bar chart showing reduction in non-heme iron absorption from black tea, peppermint, cocoa, and chamomile beverages
Clinical UpdatesExplainersPerspectivesPractice

How Coffee and Tea Reduce Iron Absorption: A Mechanism Explained

Polyphenols in coffee and tea bind non-heme iron in the gut, reducing absorption by 50 to 90%. Vitamin C counteracts…

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GMJ Practice Desk
Scientific diagram showing neutrophil vitamin C concentration and immune cell function
New StudiesResearch Digest

Vitamin C Refuels Immune Cells Rather Than Boosting Immunity, Study Shows

New research reveals vitamin C doesn't boost immunity but refuels immune cells after they destroy pathogens. Neutrophils concentrate vitamin C…

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GMJ Research Desk

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