But if your primary concern is uneven skin tone, dullness, or pigmentation, you might want to reach for a glutathione tablet instead or even better, combine both
The BBB consists of endothelial cells tightly joined by tight junctions, supported by astrocytic end-feet and pericytes, which collectively regulate the movement of ions, nutrients, and metabolic waste across the barrier while preventing the entry of pathogens, toxins, and potentially harmful immune cells (Abbott et al., 2010)
It can be mixed with water, juice, or a smoothie to mask the taste
Additionally, older people suffering from acute ischemic stroke were found to be deficient for riboflavin (118), and riboflavin deficiency has been linked to a higher risk of fracture in postmenopausal women with the MTHFR 677T variant (119)