This info on dosages appears to come directly from Examine.coms Rhodiola page, which Layne credits at the bottom of the Instagram post
10.1007/s00540-009-0863-z 42
Regular access to fiber is critical to recruiting and retaining beneficial microbiota in the gut (52), and regular exposure to glucosinolates is needed to stimulate gut microbial conversion of GLR to SFN (53)
45 Selectins can be divided into three families according to the cell type in which they were first characterized: the L-, E-, and P-selectins, of which the L-selectins are expressed in neutrophils
J Pharm Biomed Anal 147:341349 Paroni R, Fermo I, Cighetti G, Ferrero CA, Carobene A, Ceriotti F (2004) Creatinine determination in serum by capillary electrophoresis