Are shares of Hain Celestial heading higher?

Jon Najarian, Co-Founder of Najarian Family Office and Najarian Advisor, spotted unusual bullish trading volume in the natural products company.

Shares of Hain Celestial rallied almost 5-percent higher during Tuesday's trading session.

Najarian said the aggressive buying centered on both July and August expiration 55 calls. "The activity has been picking up in Hain Celestial calls substantially, trading over 9,400 calls in the first 2 hours," he added.

Jon Najarian owns Hain Celestial calls and will likely be in this trade for 2 weeks.

—By CNBC Producer Bree Kelly. Follow her on Twitter @Bree_Kelly