Selenium is an essential mineral and a powerful antioxidant. Your body needs it to:

  • Maintain healthy thyroid function
  • Ward off arthritis
  • Slow the aging process
  • Fight cancer

Men should be especially concerned about getting enough selenium. It’s the prostate’s best defense against cancer.

Two studies – one an eight-year clinical trial – found that supplementing with selenium led to a 50 percent drop in the risk of prostate cancer.

My own research suggests that selenium combined with vitamin E provides even more protection against prostate cancer. And my findings have been backed up by two studies which reported that vitamin E and selenium proved more powerful at slowing prostate cancer cell growth than either on their own.

All men should be taking 200 mcg of selenium and at least 200 IU of vitamin E daily. Foods that are rich in this mineral include organ meats, garlic, fish, and nuts. (A single Brazil nut contains 100 micrograms of selenium.) Olive oil, almonds, peanuts, spinach, and avocados are great sources of vitamin E.

[Ed. Note: Dr. Sears is a practicing physician and the author of The Doctor’s Heart Cure. He is also a nutritional expert, a fitness expert, and is certified by the American Board of Anti-Aging Medicine. Find Dr. Sears’s practical solutions and get immediate access to more than 500 of his articles by visiting

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Al Sears has written six books and more than 500 articles in the fields of alternative medicine, anti-aging and nutritional supplementation. He enjoys a worldwide readership of millions spread over 123 countries and has appeared on more than 50 national radio programs, ABC News, CNN and ESPN. In The Doctor’s Heart Cure, Dr. Sears exposes the real causes of the modern epidemic of heart disease with practical how-to advice for building real heart strength and resistance to disease without drugs. It is available in nine languages and remains a bestseller three years after its publication. His 12 Secrets to Virility sheds light on the huge environmental and nutritional problems with virility in our modern world and gives men a step-by step guide for maintaining health, strength and masculinity as they age. It became a bestseller during its first month of release. His latest book Your Best Health Under the Sun addresses the myths of the sun’s dangers and gives readers an action plan for restoring this important natural resource for better mood, strength, energy and nutritional health.Dr. Sears is board certified as a Clinical Nutrition Specialist and was appointed to the international panel of experts at Health Sciences Institute, (HSI) a worldwide information service for alternative nutritional therapies. A master gardener and herbalist, Dr. Sears maintains an herbal apothecary of more than 250 organic herbs used for research, education and treatments. Dr. Sears is the founder and director of The Wellness Research Foundation, conducting original research evaluating natural alternatives to pharmaceutical therapies.Dr. Sears is a member of the American Academy of Anti-Aging Medicine and is board certified in Anti-Aging Medicine. As a pioneer in this new field of medicine, he is an avid researcher and sought-after lecturer to thousands of doctors and health enthusiasts. He is a member of the American College of Sports Medicine and the National Youth Sports Coaches Association. As well as being a sports and fitness coach and a lifelong advocate of exercise programs, Dr. Sears is an ACE-certified fitness trainer. He maintains his integrative clinic and research center in Florida, where he has developed novel exercise and nutritional systems transforming the lives of more than 20,000 patients.