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SCORE
L-Carnosine
Anti-glycation · Stomach health · Aging
Tier 2 — Promising
What it is
A dipeptide of beta-alanine and histidine that prevents sugar from attaching to proteins, a key driver of tissue aging. Multiple trials show it reduces H. pylori infection when combined with antibiotics. Rapidly broken down in the gut — zinc carnosine form is preferred for gut applications. Very safe at all tested doses.
Efficacy
3/5
Safety
5/5
Research
2/5
Onset
2/5
Cost
3/5
Drug-int.
5/5
Dose
1,000–2,000 mg/day L-carnosine; or 75 mg zinc carnosine × 2 for targeted gut applications
Time of day & tips
Take on an empty stomach or between meals for systemic anti-glycation effects. For gut protection, zinc carnosine form before meals is preferred. Very safe at all tested doses.
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