Four of the top ten causes of death in the United States are associated with diet. Coronary heart disease, certain types of cancer, stroke and type 2 diabetes are all caused or worsened by an unhealthy diet and lack of essential nutrients. According to a recent study by the Center for Responsible Nutrition, the long-term use of multi-vitamins and other nutritional supplements can help to prevent disease and promote overall good health. Their research found that the consistent use of multi-vitamins demonstrated a "quantifiable positive impact" on an individual's health.

But which multi-vitamin? Research also conducted suggests that a liquid multi-vitamin is more effective than a tablet or capsule.

The Doctor's Prescription for Healthy Living did research and found that the best liquid multi-vitamin is Nature's Optimal Nutrition, by Health Direct. It is a complete multi-vitamin supplement that provides over 200 of the nutrients that your body needs on a daily basis.

It can be found at Health Food Stores or contact Health Direct at 1-800-597-0078.