Are vitamins helpful or harmful?

The morning multivitamin is a daily ritual for many of us.

But a new study says it may be a waste of time and money doing nothing to keep you healthier!

There are entire aisles in stores dedicated to them. Vitamins. The labels say they'll provide energy, help your immune system, or promote a healthy heart.

There are vitamins for the young and not so young to help your body fight almost every ailment you can imagine.

But read the fine print: it says 'this product is not intended to treat, cure or prevent any disease and now two long term studies agree saying vitamin supplements do not help fight cancer, stroke, or heart disease.

Each year americans spend billions of dollars on vitamins despite research that questions how effective they really are.

Dr. David Winter says "we known for a long time that vitamins ought to be good for folks but it just doesn't know in scientific studies. The best way to get vitamins is through fruits and veggies, not from a pill."

Dr. David Winter says only a few vitamins or minerals can be taken in pill form, like vitamin D, and B12 and calcium. Otherwise, he says most people don't need a vitamin pill.

Dr. David Winter says "most recently the vitamin studies are not positive. They've shown they really seem to do much, some can be harmful, so vitamins are kind of on the back burner."

The research came from two long term clinical trials by the National Institutes of Health.

More than 50,000 patients participated.