... for 19 mg daily calorie intake. Nick acid----deficiency1, lack of nicotinic acid will cause hypoglycemia, duodenal ulcer, blood abnormal ... barriers;3, a lack of nicotinic acid rough skin disease easily;4, lack of nicotinic acid may cause mental stimulated or dizzy ... lack of nicotinic acid can make anorexia, growth is slow, weak, indigestion, dysentery;6, long-term lack of nicotinic acid can lead to ...