How many of you realize vitamin D3plays a direct role in how effectively your T cells recognize and fight cancer? If your D3 levels are low, your immune system is essentially fighting with the lights off. Who wants the lights off? T cells require vitamin D receptor (VDR) activation to fully mature, differentiate, and mount an effective anti-tumor response. When D3 is low, T cells become sluggish, less cytotoxic, and less able to coordinate the immune response. Want all the T Cell Details? Commen