Antioxidants

Often used as a marketing buzzword, learn about the role of antioxidants beyond the hype, and some of the research on health and disease prevention. Jump to: –What are antioxidants? –Health benefits of antioxidants: what’s the buzz? –Studies of antioxidant supplements and disease prevention –Antioxidants in food –Bottom line on antioxidants and disease prevention What … Continue reading “Antioxidants”

Vitamin K

Vitamin K is a fat-soluble vitamin that comes in two forms. The main type is called phylloquinone, found in green leafy vegetables like collard greens, kale, and spinach. The other type, menaquinones, are found in some animal foods and fermented foods. Menaquinones can also be produced by bacteria in the human body. [1] Vitamin K … Continue reading “Vitamin K”

Fiber

Fiber is a type of carbohydrate that the body can’t digest. Though most carbohydrates are broken down into sugar molecules called glucose, fiber cannot be broken down into sugar molecules, and instead it passes through the body undigested. Fiber helps regulate the body’s use of sugars, helping to keep hunger and blood sugar in check. … Continue reading “Fiber”

Vegetables and Fruits

Vegetables and fruits are an important part of a healthy diet, and variety is as important as quantity. No single fruit or vegetable provides all of the nutrients you need to be healthy. Eat plenty every day. A diet rich in vegetables and fruits can lower blood pressure, reduce the risk of heart disease and … Continue reading “Vegetables and Fruits”

Vitamin A

It’s only a semi-myth that eating carrots will help you see in the dark. A carrot’s main nutrient, beta-carotene (responsible for this root vegetable’s characteristic orange color), is a precursor to vitamin A and helps your eyes to adjust in dim conditions. Vitamin A can’t give you superpowers of night vision or cure your dependence … Continue reading “Vitamin A”

Ask the expert: Omega-3 fatty acids

The Expert: Dr. Frank Sacks Professor of Cardiovascular Disease Prevention, Department of Nutrition, Harvard School of Public Health 1. What are omega-3 fatty acids, and why should I make sure to include them in my diet? Omega-3 fatty acids (also known as n-3 fatty acids) are polyunsaturated fatty acids that are essential nutrients for health. We … Continue reading “Ask the expert: Omega-3 fatty acids”