* The Energy Supplements * 4% Echinacosides * Maximum Potency Guaranteed * Standardized Botanical Supplement * Prescription Quality * Gluten Free * Herba Shield * Hypo-Allergenic Nutritional Support for Healthy Immune Function. Each Herbal Actives extended-release formula provides rapid and sustained results. Supplying the greatest concentration of active botanical principles, Herbal Actives Echinacea maximizes the synergistic benefits of the whole root and rhizome. Guaranteed Maximum Potency: Each Herbal Actives formula is scientifically standardized to the highest level of active principles. HerbaShield: An exclusive purity and safety system providing light-resistant bottle, airtight inner seal, moisture-absorbing packet, tamper-evident safety cap and tamper-proof full bottle seal.