An ideal package for customers who have used the NAD Optimization® Starter package and optimized their NAD levels. It includes 6 Accuri® Vitality Boost supplements at discounted price and 1 Intracellular NAD® test at 50% off. Take a test anytime to make sure that your NAD level stays in the optimum range and take NAD supplements at your optimal dosage and on a continuous basis to maximize its benefits on health, performance and longevity.