Other studies have shown that it helps in the synthesis and repair of DNA and that it plays a role in signaling between nerve cells.
已有研究表明：烟酸参与dna的合成和修复，还在神经细胞间的信息传递中发挥作用。
2
Benefits: Helps promote synthesis of collagen and elastic fiber in eye region, repair fine lines and tighten up skin. Leaves skin charming and glowing around eyes.
主要功效：促进眼部胶原蛋白及弹力纤维合成，修复细纹，紧致提升眼部轮廓，令双眸散发动人神采。
3
Both can promote cartilage matrix synthesis, inhibition of cartilage matrix degradation, thereby promoting repair of injured joints.