The Energy Supplements Sustained Release Dietary Supplement B-Complex, C and Herbs Gluten Free Quality Natural Supplements Micro-Gel Sustained Release System Vegetarian Nutritional Support for Natural Energy Production. In a special base which provides for the gradual release of ingredients over a prolonged period of time. For those who experience anxiety and nervous energy as a result of extremely stressful or emotional conditions, Mega-Stress Complex was designed to replace the water-soluble vitamins lost during stress. Standardized potency Valerian Root and Chamomile are mild, yet effective, herbs included for their calmative properties.