Our electrolyte drink mixes are the first and only Veteran and Doctor formulated hydration products in the world. SOS has combined proven sports and medical science into the most advanced hydration drink out there with the purpose of hydrating every type of lifestyle regardless of age or profession. Science Simply Put: As a hypotonic drink (thats more effective than an isotonic drink or sports drink at rehydration) we can be compared to a drinkable IV drip only far cheaper and convenient to take on the go. SOS is 100% natural, gluten free, dairy free and contains only 10 calories per serving. This, along with our unique formula and price point makes us the healthiest, cheapest and fastest acting hydration mix out there. Welcome to our rehydrated world www.sosrehydrate.com