Recent Blog Articles
Close relationships with neighbors influence cardiovascular health in Black adults
Why play? Early games build bonds and brain
5 numbers linked to ideal heart health
Rating the drugs in drug ads
Postpartum anxiety is invisible, but common and treatable
The popularity of microdosing of psychedelics: What does the science say?
Pouring from an empty cup? Three ways to refill emotionally
Is pregnancy safe for everyone?
New pediatric guidelines on obesity in children and teens
Screening tests may save lives — so when is it time to stop?
Zinc and prostate cancer
The dietary supplement business is a multibillion-dollar industry. You can buy supplements in virtually every supermarket and drugstore in America, to say nothing of the growing number of health food stores and "body shops" that specialize in them. The array is bewildering, and dramatic health claims and testimonials add to the confusion — and the temptation. But despite their variety, supplements have two things in common: Few have been studied scientiﬁcally, and none is regulated by the FDA.
A large number of supplements are sold to protect the prostate and promote its healthy function. Many contain zinc. About 15% of all Americans take supplements that contain zinc — and many men who take them are getting much more zinc than recommended.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.Sign Me Up
Already a member? Login ».
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
Free Healthbeat Signup
Get the latest in health news delivered to your inbox!