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  1. Hair Follicle and B2

    Are you sure? This is a very important job that would triple my annual income. I dont want to get a positive from something like vitimans.

  2. Hair Follicle and B2

    So I have a hair follicle test coming up in about 30 days. I have been taking Biotin hair supplement, B12, Extra strength Hair, nails and skin, testosterone, and vitamin D and C. I read some where that the riboflaven from the B12 and extra strength hair supplement could cause a false positive...
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