5 day tapered system. Contents: 28 Capsules (14 echinacea capsules and 14 zinc-vitamin c capsules). Don't guess. Vitamin+ Mineral+ Herbal. Does not contain gelatin, artificial colors & preservatives. Vegetarian capsules. E Capsule+ ZC Capsule. EZC Pak is a proud supporter of community clinics and antibiotic stewardship initiatives around the world. Please visit us at ezcpak.com to learn more!