Adequate B12 is linked to better concentration, faster recall, and reduced brain fog, especially in adults over 40, in anyone on a plant-forward diet, and in patients with the MTHFR gene variant that affects how the body processes folate and B12
Beyond 500mcg, the risk-benefit ratio becomes less favorable
It is responsible for many aspects of your health, including maintaining energy levels and metabolism
Cell culture and bioluminescence analysis T cells, isolated from mice, were activated by CD3/CD28 Streptamer kit (#6-8920, iba, Goettingen, Germany) for 30 min and cultured in RPMI 1640 medium (#8123340, Gibco) containing 10% FBS (#A5669701,Gibco), 1% penicillin/streptomycin, 50 M -mercaptoethanol (Beyotime, Shanghai, China), 1 mM sodium pyruvate (Beyotime) and 100 U/mL interleukin-2 (#CK24, Novoprotein, Suzhou, Jiangsu, China)