... of Pearl calcium ion and Energy stone Functional characteristics: 1. To improve the nutrient absorption, metabolism & immunity. 2. Change the common ... in mineral element, such as Ca, Ma, K and Na. 3. Resist oxidation, delay senility & be favorable for human beings health ... gastric acid, protect against gastritis.Tianjin Luodakang Technology Co.,Ltd. Stainless Steel Nano Energy Cup, Alkaline Water Cup