Guilford’s Adam Greenberg on cutting edge of deer antler spray debate

Guilford native Adam Greenberg is part of a group of athletes who swear by deer antler spray, which has become a popular and controversial supplement. You may remember that former Ravens linebacker Ray Lewis came under fire after a Sports Illustrated article accused him of using the spray during Super Bowl week two years ago.

But does a deer antler velvet supplement improve muscle strength in humans?

CNN’s Dr. Sanjay Gupta took a closer look. provides commenting to allow for constructive discussion on the stories we cover. In order to comment here, you acknowledge you have read and agreed to our Terms of Service. Commenters who violate these terms, including use of vulgar language or racial slurs, will be banned. Please be respectful of the opinions of others. If you see an inappropriate comment, please flag it for our moderators to review.

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