Cat's Claw Bark 540mg by Solaray 100 Capsule Cats Claw is also known as Ua de Gato and is named for the sharp curved thorns found on its stem. Solaray only uses the inner bark portion of the vine. Size 100ct 540mg Directions As a dietary supplement take 2 or 3 capsules three times a day with meals or a glass of water. Serving Size 1 Capsule 100 Servings per container Ingredients Amount per serving Daily Value + Cats Claw (Uncaria tomentosa)(bark) 540 mg Key to Ingredients Daily Value not established. + Percent Daily Value is based on a 2 000 calorie diet. Values differ depending on age Values differ depending on age Other Ingredients Gelatin (capsule) and magnesium stearate Other See product label for more information.