[enthalpyx]

The CYP1A2 gene affects how quickly you metabolize caffeine. Stopping at 3pm may not be enough.

[toomuchtodo]

I’ll check my CYP1A2 SNPs on 23andme in the AM and report back.

[35bge57dtjku]

I'm not sure if that's sarcasm or not. Maybe I'm just not hip.

[toomuchtodo]

Not sarcasm at all. Last time I checked, 23andme reports if you’re a fast or slow caffeine metabolizer. I just don’t recall offhand which I am.

[notlob]

Why would that be informative? It doesn’t tell you your protein expression levels nor effective enzymatic activity.