Present invention discloses a Lactobacillus composition comprising Lactobacillus reuteri GMNL-263 which is a strain of heat-killed dead bacteria and has the effect of lowering blood pressure by inhibition of proinflammatory cytokine IL-1β and enhancement the growth of Bifidobacterium, and said Lactobacillus composition is a pharmaceutical composition, nutritional supplement, health food or a combination thereof.
