the water soluble vitamins (b vitamins biotin folic acid pantothenic acid and vitamin c) are not as likely as fat-soluble vitamins to reach toxic levels. this is because excess water soluble vitamins in the body are excreted from the kidneys. there are upper consumption limits for niacin vitamin b6 foliate choline and vitamin c. for more information about water and fat soluble vitamins and their functions visit the webmd article vitamins functions and sources.
is it possible to overdose on a water-soluble vitamins? . i know that you can overdose on fat soluable vitamins what about water-soluable like b or c?