what is the difference between l carnitine and creatine Vs – Which Pre-workout Supplement To Choose? – AS-IT-IS Nutrition Creatine Vs L Carnitine Key
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Dai R, Cheng M, Peng C-Y, et al
For example, the anticancer agent tamoxifen is converted into tamoxifen N-oxide by FMO [4]

Conversely, Chen et al
BMJ 342:d2901
Just speculation though, and I'm not 100 percent positive as i've never seen the study