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L-Carnosine
A dipeptide concentrated in muscle and brain tissue, valued in longevity circles for fighting the protein-damaging glycation that comes with aging.
Benefits
- +May protect proteins from glycation (a driver of aging)
- +Antioxidant that buffers cellular stress
- +May support brain and cognitive health
- +May support eye health
- +May support healthy aging of tissues
Dosage & Cost
Range500–1000 mg/day
TimingWith or without food
Daily cost$0.20–$0.50
For raising muscle carnosine (performance), beta-alanine is more effective. L-carnosine itself is taken more for anti-glycation and longevity goals.
Side Effects
- !Generally well tolerated
- !Mild digestive upset
- !Oral carnosine may not reliably raise muscle carnosine (beta-alanine is used for that)
- !Limited long-term human data
Food Sources
- • Beef
- • Pork
- • Chicken
- • Fish (found in animal muscle tissue; absent from plant foods)
References & Links
Community
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This page is for informational purposes only. The information here has not been evaluated by the Food and Drug Administration (FDA). No supplement discussed on this page is intended to diagnose, treat, cure, or prevent any disease. Please consult your doctor or a qualified healthcare professional before taking any dietary supplement.