* Since 1932 * Innovative Quality * Dietary Supplement * 1 Daily * Seed Source * Approx. 28 mg Caffeine * Clear Quality Discussion: Kal Guarana is derived from the ground seeds of the Paullinia cupana vine. This is a natural product and actual amounts may vary, however, one Guarana tablet contains approximately 28 mg (3.5%) caffeine. ActivTab technology guarantees tablet disintegration within 30 minutes according to USP standards.