Dietary Supplement. Max-Strength Cat s Claw. Produces Optimal Levels of Immune Activity*. Gluten Free! Deep Immune Health The Power of Saventaro®. Saventaro® max-strength cat s claw is patented, clinically studied, and provides advanced support to both the natural and acquired immune systems.* Vegetarian Contains no sugar, yeast, wheat, gluten, corn, corn, soy, dairy products, artificial coloring, artificial flavoring, preservatives, or ingredients of animal origin. This product contains natural ingredients; color variations are normal. ETI.