Carnosine
Carnosine is a natural dipeptide found in muscle and brain tissue and sold as a supplement. Human evidence for health benefits is limited.
What it is
A two-amino-acid peptide that buffers acid in muscle and acts as an antioxidant.
What the evidence shows
In people
Small trials in areas such as blood sugar control show mixed results.
In animals and labs
Animal studies on aging and antioxidant effects.
Legal status
Legal as a dietary supplement.
Dosing
Follow the product label
Supplements and skincare products are used as directed on their label. Choose products with third-party testing, and check with a clinician if you are pregnant, nursing, or take medication.
Known risks
- Generally well tolerated