Congratulations on the beginning of your weight loss journey! This bariatric post-op starter kit will provide all of the vitamins/minerals and protein needed for a bit longerafter surgery; Our Celebrate Essential Multi 3 in 1 drink mix contains a robust multivitamin, calcium citrate, and soluble fiber along with 500 mg of an antioxidant blend with added electrolytes. Our blender bottle helps make mixing shakes simple and easy since our bottles have ounce markings on the side so you can track your fluids. And also 45 mg of calcium you can choose as chewable or softchew. All products in this set are also available separately under the respective nutrient section.