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Longevity Atlas
Inflammationµmol/l

Homocysteine

Optimal

< 10 µmol/l

Why

Marker of B-vitamin status and methylation health; above 12 means faster brain atrophy and dementia risk, reversible with B vitamins (VITACOG).

How often

Every 2 years after 50.

What moves it

Folate (greens, legumes), B12, B6; less coffee and alcohol.

Last reviewed: 6 September 2026

This site is educational and does not replace medical advice. Start any supplement or drug only after consulting a doctor or pharmacist.