Jetson. We believe that your gut is the control center of your body and are on a mission of simplifying health. 70% of your immune system, and 90% of your serotonin lives in your gut which is why it’s so important to keep it healthy. Jetson probiotics change their formulations every season to expose your gut to a rotation of strains, and keep it as healthy as possible. We use clinically proven strains that are always fresh, and delivered directly to your door. Shop now with our Discount Coupons / Vouchers & Promo Codes for the huge saving.