Buy on amazon.com immune boost & defense organic high absorption liquid delicious & convenient enhanced with vitamin c description usage ingredients faq immune boost & defense - nutrachamps zinc delivers an extra strength protection and immunity boost to your body's natural defenses. These tasty organic zinc drops are ready to be integrated into your daily routine and keep your immune system strong, healthy, and in great shape. Organic high absorption liquid - the superior bioavailability and format of this pure liquid trace mineral allows for even quicker and more effective absorption than other forms of zinc such as capsules, pills, powders, or tablets.