Avoiding catching colds? Tips wanted

Vitamin C, along with all of the B vitamins are water soluable. As sucvh mega dosing is pointless as your body will quickly excrete any exess out of your bloodsteam.

This is one of the very reasons why mega dosing is recommended by certain dieticians/spots coaches and such. Excess is excreted so it wont do you any harm, but if you need extra amounts of these substances because you are ill, pregnant, growing, working your tits off etc, it may help you maintain a better state of health and recovery.