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Not good for those with histamine issues
Posted by 4844967468132330575 on Oct 26, 2016 | Verified Purchase
The 1 out of 5 only applies to using it if you have histamine problems. The second time I took a pill I soon came out in unbearable itchiness (despite having taken a zyrtec that morning). Have discovered that carnosine degrades to histidine then histamine.