What are the capsules made of? Better Body Co August 23, 2021 02:37 Updated The capsules of our products such as Provitalize, Previtalize, inergySLEEP and inergyPLUS capsules are made out of vegetable cellulose, which is derived from pine trees. Provitalize capsules specially come with delayed-release properties. Related articles Are your ingredients organic? What are the exact ingredients that go into in Provitalize? Is Provitalize FDA-approved? Is Provitalize suitable for diabetes? Comments 0 comments Article is closed for comments.