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.
Vitamin B-12. One essential vitamin that aids in nervous system functioning is vitamin B-12, or cobalamin. Belonging to the family of eight B-class vitamins, vitamin B-12 aids in your body's metabolism. It helps break complex carbohydrates into glucose, the sugar your brain uses as fuel to allow proper functioning.