PERQUE D3 Cell Guard™ provides Vitamin D3 in a liquid form for optimum uptake and absorption.* Studies show Vitamin D3 may be the answer to many of our health issues today and in the future. Benefits Provides valuable and complete health support for bones, brain, heart, and immune system function.* Supports essential metabolic and developmental processes involved in healthy cellular function.* Mixed forms of vitamins E protect and assist absorption of vitamin D3, the most bioavailable form of vitamin D. PERQUE D3 Cell Guard™ provides the most safe and natural form of Vitamin D3 in a liquid form with Medium Chain Triglycerides (MCT) to support both body and brain.* Additional protection to the D3 is provided by mixed natural tocopherols and ascorbyl palmitate in a natural rosemary extract.