Side effects of Folic acid葉酸的副作用: 

傷腎Kidney damage, 腹脹abdominal bloating / distention, 惡心nausea, 沒味口loss of appetite, 低密度脂蛋白/高密度脂蛋白比例增高increased cholesterol LDL / HDL ratio, 增加鋅 鉀需求increased zinc and potassium requirements,  可能掩蓋因維他命B12缺乏導致的惡性貧血may mask pernicious anemia from Vitamin B12 deficiency