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  5. Can I have caffeine before I collect my samples?
  1. Home
  2. Knowledge Base
  3. CardioStress and CardioStress Plus
  4. Can I have caffeine before I collect my samples?

Can I have caffeine before I collect my samples?

You should not have caffeine before you collect the urine sample.

You may have caffeine before you collect your saliva sample, but it must be at least one hour before each saliva sample collection.

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