Keflex side effects: Keflex is a cephalosporin antibiotic. This antibiotic can commonly cause gastrointestinal side effects like diarrhea, nausea, vomiting and sometimes, headaches. Serious side effects include anaphylactic reactions, decrease in blood cells and liver disease. ...Read more.
1 Vitamin E is an antioxidant for cardiovascular health, a blood thinner, improves circulation and is also an anti-inflammatory. 2  CoQ10 is an important nutrient for the circulation, especially if you suffer from high cholesterol or high blood pressure.
What it does for you: The B complex of vitamins (especially B6 and B12) keep blood, nerves, and the immune system functioning properly. A deficiency may be a risk factor for heart disease and stroke. How much you need daily: The recommended dietary allowance (RDA) is 1.3 milligrams for B6 and 2.4 micrograms for B12.