Conditions like pernicious anaemia (an autoimmune condition affecting a protein called intrinsic factor vital for B12 absorption), stomach issues (such as from reduced stomach acid or certain medications like proton pump inhibitors), intestinal disorders (like Crohns disease or coeliac disease), or even surgical removal of parts of the small intestine (e.g., gastric bypass surgery) can prevent proper absorption
Review: the blood-brain barrier
The effect of Fructose on renal biology and disease
Prior findings have demonstrated that vascular and atrial endothelial dysfunction was associated with AF via a number of different mechanisms, including the alterations in hemodynamics parameters and endothelial cell shear stress, aggravating oxidative stress, exacerbating proinflammatory agents, and down-regulation of NOS expression and NO* production in atrial endocardium
Sun et al., 2017)
The result isnt a bleached look, but rather a brighter, more radiant, and even skin tone