Spend 60-70% of your time cycling (i.e. for every 10 hours training cycle 7 hours run 2 hours and swim 1 hour) This is only a very basic guide line for injury prevention and you will get some cross over in fitness, the better you are on a bike your ironman marathon will be easier to complete.
People with liver disease and high alcohol intake may be at risk for liver toxicity from vitamin A supplementation. Vitamin A toxicity may lead to intrahepatic cholestasis, where bile cannot flow from the liver into the intestines. Vitamin A may cause low blood pressure. Caution is advised in people with low blood pressure or in those taking drugs or herbs and supplements that lower blood pressure.
4. Excessive bleeding: Vitamin K is widely known as the clotting vitamin. Vitamin K helps in reducing the risk of bleeding in your liver. The deficiency of vitamin K can cause nose bleeding, blood in your urine or stool, tarry black stool and heavy menstrual bleeding. [ Read: Vitamin K Rich Foods ].