Pale straw-coloured urine indicates adequate hydration, whilst darker yellow suggests you may need to increase fluid intake, particularly if experiencing gastrointestinal side effects
With coffee
The short version of the biology Think of serotonin as part of a control panel, not a single on-off switch
Certain populations face higher deficiency risk: vegetarians and vegans (B12 is primarily found in animal products), adults over 50 (decreased stomach acid reduces B12 absorption), individuals with digestive disorders like Crohn's disease or celiac disease, and those taking medications like metformin or proton pump inhibitors
Andre P, Balkau B, Vol S, Charles MA, Eschwege E
Comment lorganisme produit naturellement la L-Carnitine