What are the capsules made of?

• Provitalize delayed-release acid-resistant capsules are made out of vegetable cellulose, which is derived from pine trees. ⇨ Click Here To Read About Provitalize Ingredients
• Previtalize and inergySLEEP capsules are also made out of vegetable cellulose, similarly derived from pine trees.
• inergyPLUS gelatin capsules are made out of cows.