- IM Injection Tri Immune Boost 1ML (1/week- 12 week supply)- Tri-Immune Boost is a power-packed immunity blend of Glutathione, Ascorbic Acid and Zinc that is the ultimate immune system enhancer. This high concentration blend of immune system boosting essentials helps maintain a healthy immune response. This blend of vitamins can also increase hair growth. (full price $354)