Effect of shell as natural testosterone boosters in Sprague Dawley rats.

Aim: This study aimed to evaluate the effect of shell supplementation on the regulation of male reproduction in rats.

Materials And Methods: The zinc (Zn) level of shell from blood clam (), green mussel (), and conch shell () was analyzed. The highest Zn content shell was fed to male Sprague Dawley rats for 0, 9, 30, and 50 days at the dose of either 0.