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MMA urine test, which one to take?

Messages
2
hello. does anyone know which MMA urinalysis is the best to take
to measure MMA in regards to B12 status? I see that there are
24-hour urine tests, morning urine test, random part of day urine
test. oh my! so many types of MMA urine tests. I'd like to take
the most accurate in regards to B12. Thanks for any help.