In vitro, animal, and clinical research suggest that trimethoprim inhibits intestinal thiamine transporter ThTR-2, hepatic transporter OCT1, and renal transporters OCT2, MATE1, and MATE2, resulting in paradoxically increased thiamine plasma concentrations
Rmili F, Achouri N, Smichi N, Krayem N, Bayoudh A, Gargouri Y, Fendri A
But if you're someone who pays attention to category timing, this is a signal worth sitting with
Pang Y, Ermann Lundberg L, Mata Forsberg M, Ahl D, Bysell H, Pallin A, Sverremark-Ekstrm E, Karlsson R, Jonsson H, Roos S (2022) Extracellular membrane vesicles from Limosilactobacillus reuteri strengthen the intestinal epithelial integrity, modulate cytokine responses and antagonize activation of TRPV1
For my elbows, wrists, knees and ankles, I use a brush to buff in the product and help blend it out