Tart Cherry Extract Our premium Tart Cherry Extract, is sourced from premium cherries into a super-concentrated powder to create an ideal ingredient for post-workout drinks & smoothies. Tart Cherry Extract is sourced from sour cherries, & has gained popularity in recent years as an addition to post-workout shakes & formulas. We’re providing it in this pure powder form for anyone who wants to integrate montmorency tart cherry into their nutritional intake in a convenient, accessible form. Our Tart