Self-Care Made Easy®. Get on-the-go immune support with Nature Made® Wellblends™ Immune MAX® Fizzy Drink Mix Powder. Each stick pack provides Maximum Strength^▲ Vitamin C 1500 mg to support a healthy upper respiratory tract and provide antioxidant support, Vitamin D, Zinc and Selenium for immune support, plus an Electrolyte Hydration Blend^♦ to help support replenishment of water and nutrients.†