swisse active amino acid l carnitine NOW Foods L-Carnitine Liquid with Vitamin B12 Support – Swanson Vitamins Swiss Energy, SLIM LINE L-carnitine,
Description
If this is the case, they should be quickly referred to a specialist who deals with metabolic disorders

Odkazy [editovat | editovat zdroj] Reference [editovat | editovat zdroj] Office of Dietary Supplements - Carnitine

Metformin has been associated with reduced vitamin B12 absorption through effects on calcium-dependent membrane action in the terminal ileum, which may be relevant for patients on chronic metformin therapy

10.1002/hep.510250310

doi: 10.2165/00007256-200131150-00003
