The Kōjō Journal

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How to read a supplement facts label: what the marketing doesn't want you to notice

March 22, 2026

Omega-3 at 40: the cardiovascular and cognitive case for adequate EPA and DHA

March 22, 2026

Vitamin K2: what it actually does, and why most people are deficient

March 22, 2026

Zinc deficiency in men: the silent hormonal and immune problem most GPs don't test

March 22, 2026

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