Deer Antler Velvet—What Is It, How Does It Work?

Experts explain the substance behind the Ray Lewis controversy.

Lewis, who's headed to the Superbowl in New Orleans this weekend, looked into using a nasal spray made of deer antler velvet to heal his torn right triceps, Sports Illustrated reported in their February 4 issue. Lewis denies the story, calling the rumor a "trick of the devil," according to USA Today.

Made from male deer antlers during the stage when the antlers are covered in soft fuzz, the unproven performance enhancer is often used by athletes who believe it helps heal cartilage and tendon injuries more quickly and boosts strength and endurance.

However, it's not approved by the U.S. Food and Drug Administration, and is banned by the National Football League.

Even so, it's a big business, especially

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