Famous Dog Vitamin C Overdose Knowledge. Web the recommended daily amount for vitamin c is 75 milligrams (mg) a day for women and 90 mg a day for men. Web even if your pet is not exhibiting signs of poisoning, it is important to have him seen at the hospital as soon.

Web since vitamin c is water soluble, you cannot actually overdose a dog with vitamin c because excessive amount is excreted through the kidney. A small dog could consume up to 25 grams. Web for dogs, the requirement is 3,333 iu/kg of diet fed, with up to 333,300 iu/kg of diet considered to be safe.