The vitamin B complex supports energy metabolism, red blood cell formation, DNA synthesis and brain health. These nutrients occur in a wide range of foods.

Beets are good for you no matter whether you eat them raw, cooked or juiced. Both the bulbous beet root and the leafy tops offer nutritional benefits, with very low calories.

Egg whites for weight loss are a winner. Low in calories and high in protein, they can help you reduce your calorie intake, help fill you up and aid lean muscle gain.

Fish oil supplements can enrich diets with healthy omega fatty acids. The correct fish oil dosage is based on your diet and is usually under two grams.

If you have a zinc deficiency, supplementing with a pill or zinc-rich foods can help you feel better. However, if you take too much, you'll feel just as bad.

We doctored 10 favorite comfort foods and gave each a nutritional boost to make them better for both your body and your conscious.

While many people supplement their diets with Vitamin D, too much can cause problems. Complications include excessive urination and high blood calcium levels.

NITRO-TECH enhances performance and builds muscle. Yet, it may cause mild side effects like stomach discomfort and serious side effects like kidney damage.

Getting too much vitamin D can cause hypervitaminosis. You can lower your levels by decreasing vitamin D and calcium intake. Prescription drugs can also help.

If you're wondering which oil is best for skin glow and reducing the effects of aging, consider the antioxidant benefits of vitamins A, C and E in rose hip oil.

If you're considering taking a multivitamin supplement for vitamin D and vitamin B benefits, keep in mind that the two nutrients can be safely taken together.

Negative health effects of chocolate include a higher risk of heartburn, obesity and cancer. Also, producers may accidentally contaminate chocolate candies while making them.