 Dr. Millay, how will I feel after taking Adaptostem and Immustem? The Immustem is going to have an immediate effect. But I tell you, your immune system is starting to function better after 24 hours. You put Adaptostem along with it and most will feel it within 30 minutes. Order now at HealthyLooking.com. The Stem Cell Wellness Kit from Dr. Millay protects your body's stem cells and will make you feel better faster.