Vital Proteins Vitality™ Immune Booster* stick packs are here to help support your immune system.* Vital Proteins’ one-of-a-kind blend combines collagen, L-glutamine, vitamin C, zinc and electrolytes with Wellmune®‡ and Immuno-LP20®, two clinically studied ingredients that help support your immune system.* Whether you're looking for a proactive boost or just a little extra immune support for when you're having an off day, this supplement was created so you can conveniently incorporate these on-the-go stick packs into your daily wellness routine.* - Cutting edge, clinically studied ingredients - Helps support the immune system* - Grass fed, pasture raised