Male Sexual Vitality: How You Can Benefit from Diet, Vitamins, Minerals, Herbs, Exercise, and Other Natural Methods by Michael T. Murray Purchase at:  Amazon.com  Format: Paperback, 1st ed., 160pp.  ISBN: 1559584289 Publisher: Prima Communications, Inc.  Pub. Date: January 1994

Description from Amazon.com

Book Description 

Performance anxiety, impotence, and other aspects of male sexuality are subjects of common concern that are rarely explored. They get a thorough airing here, with recommendations of specific nutrients for optimal sexual functioning, causes and treatment of low sperm count, and natural herbs for enhanced libido and performance.