Juices are the superior method to keep yourselve well hydrated, this is because several juices provide normal hydration and saturation that works like a double hydration bar.
List of All Juices
Each juice has a hydration and saturation value, aim to craft one with a good proportional value between these two to maximise its benefits.You can check their crafting recipe in-game by searching @Legendary Survival Overhaul.
There are other useful and very powerful drinks from Crockpotthat bestow great potion effects.