Essential medicine contains potassium, salt, and carbohydrates Featuring the World Health Organization formula for maximum fluid replacement and retention Easy to use formula can be consumed quickly after mixing with water Simple compact packaging that can easily fit into any carry-on, backpack, or pocket Suitable for dehydration, extreme outdoor activities, and heavy labor Diarrheal illness and dehydration are common during travel. Oral Rehydration Salts control the effects of stomach illness so that you can spend the rest of your trip enjoying your destination, rather than in a hospital bed. World Health Organization formula for maximum fluid replacement.