[grvdrm]

So if C/C then slow metabolizer?

[aantix]

Correct. C/C is the genotype.

Marker rs762551, as another poster noted above.

For 23andme customers: https://you.23andme.com/tools/data/?query=rs762551

[throwaway128128]

Thank you for sharing your link.

Groan, I'm A/C!!

[grvdrm]

That's great - this all came in time for me to run it by my doc today during an annual physical.