Nosebleeds are an almost inevitable part of life. The relationship between vitamin D and nosebleeds is currently unclear. However, a small amount of scientific evidence suggests that both too little and too much vitamin D may increase the likelihood of a nosebleed.

Take a look at labels on supplements, and you'll see promises like fat loss, muscle gain and reversed signs of aging plaster nearly every one. And with more than 29,000 dietary supplements to choose from, there’s no wonder you feel uncertain about which ones are more show than substance.

You need B-6 to keep your energy levels up by powering your metabolism. It works side by side with several other B vitamins to break down carbohydrates, proteins and fats.

Sure, your diet is full of whole-food sources of [vitamins and minerals](http://www.livestrong.com/slideshow/1009345-11-nutrients-americans-arent-getting-enough/), but your body might not be getting the full benefits.

Everyone is looking for that magical fountain of youth. But until we find it, exercise and a healthy diet are the best (non-surgical) ways to keep you looking years -- or decades -- younger.

Magnesium can play a bigrole in helping to regulate the balance of potassium, sodium and other electrolytes in the body.

N-acetylglucosamine supplements are generally considered safe. Minor side effects occur uncommonly and serious side effects are rare.

The supplement industry is a 36.7 billion dollar business. But do you really need supplements? And, which supplements are safe?

Facing a shelf of vitamins and supplements at a drugstore or grocery store can be intimidating. How can you tell B1 from B6, chromium from chondroitin, or lutein from lysine? Eating balanced meals filled with vegetables, fruits, fish and lean proteins can eliminate the need for many supplements.

Fish — particularly oily fish — contain omega-3 fatty acids, which are beneficial for the heart both in healthy people and in those who have cardiovascular disease, according to the American Heart Association.

Some of the most common dietary supplements used in the U.S. today are omega-3 and CoQ10. They are often consumed in order to improve brain or heart health.

The underground rhizome ginger has been used for thousands of years in various Eastern medical traditions.