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Together, the group of B vitamins is referred to as vitamin B complex. These water-soluble vitamins are critical to cell metabolism. The B vitamins play several important roles in the body, including: 1  Promoting cell growth and division. 2  Maintaining healthy skin and muscle tone.
Once cirrhosis -- which means severe scarring and fibrosis -- develops in liver tissue, the cirrhotic part will never regenerate. B-complex vitamins can help with effects of cirrhosis such as memory loss and nerve damage if you have liver damage, especially if you drink heavily. Vitamins and Your Liver. Liver disease can cause vitamin B deficiencies. The B-complex family comprises eight different B vitamins. Vitamin B deficiency most often occurs in alcoholics as a result of poor diet.