Best Hydration Tablets of 2025
So you’re dehydrated. Or maybe you’re just trying to avoid being dehydrated.
Either way, you’re looking at hydration tablets, wondering which ones actually work and which ones are just expensive pee.
I’ve dug through the research, analyzed the ingredients, and compiled real user feedback to break down the top 5 hydration tablets of 2025.
Let’s find out which ones deserve your hard-earned cash.
KEY NUTRIENTS Electrolyte Tablets
Salt pills in capsule form. No sugar, no artificial junk, just straight-up electrolytes.
CorneaCare Hyaluronic Acid Tablets
Not actually electrolyte tablets at all, but hydration supplements focused on skin, eye, and joint health.
Fizzy Electrolyte Drink Tablets
The fun option – tablets that fizz in your water and turn it into an electrolyte drink.
Keto Electrolyte Supplement
Capsules specifically formulated for keto dieters to avoid the dreaded “keto flu.”
1. KEY NUTRIENTS Electrolyte Tablets
Salt pills in capsule form. No sugar, no artificial junk, just straight-up electrolytes.
What’s inside:
- Sodium: 120mg
- Potassium: 60mg
- Magnesium: 10mg
- Zero sugar, zero gluten, made in the USA
The good:
- Perfect if you’re fasting or doing keto (no carbs to break your fast)
- Bulk packaging (200 capsules) means you won’t run out quickly
- No weird aftertaste because you swallow them whole
- Easy on the stomach compared to other salt tablets
The bad:
- Swallowing pills isn’t as fun as drinking a fizzy beverage
- Some people report a chalky feel
- Magnesium content is pretty low
Who it’s for: People fasting or on low-carb diets who want their electrolytes without any sugar or nonsense.
2. CorneaCare Hyaluronic Acid Tablets
Not actually electrolyte tablets at all, but hydration supplements focused on skin, eye, and joint health.
What’s inside:
- Hyaluronic Acid: 100mg per softgel
- No electrolytes (no sodium, potassium, etc.)
- No sugar or artificial ingredients
The good:
- Users report better skin hydration and less dryness
- Some see improvements in eye comfort
- Easy-to-swallow softgels
The bad:
- Won’t replace electrolytes lost through sweat
- Useless for athletic recovery
- More expensive than regular electrolyte tablets
Who it’s for: People who want better skin and eye hydration, not athletes or anyone sweating a lot.
3. Fizzy Electrolyte Drink Tablets
The fun option – tablets that fizz in your water and turn it into an electrolyte drink.
What’s inside:
- Sodium: 120mg
- Potassium: 60mg
- Magnesium: 10mg
- Natural lemon-lime flavor, no sugar
The good:
- Makes water more exciting to drink
- Massive value (4 packs = 160 servings)
- Clean ingredient list, no sugar
- Refreshing taste that encourages hydration
The bad:
- Flavor is mild compared to sugary sports drinks
- Slow to dissolve in cold water
- Lower electrolyte content than hardcore sports tablets
Who it’s for: People who want to stay hydrated daily and prefer something tastier than plain water.
4. Keto Electrolyte Supplement (Left Coast Performance)
Capsules specifically formulated for keto dieters to avoid the dreaded “keto flu.”
What’s inside:
- Sodium: 120mg
- Potassium: 60mg
- Magnesium: 10mg
- Calcium: 10mg
- No sugar or artificial ingredients
The good:
- Helps prevent keto flu symptoms
- Includes calcium along with the usual electrolytes
- Gentle on the stomach
- 180 capsules per bottle = good value
The bad:
- Capsule form less exciting than fizzy tablets
- Some report a slight aftertaste
- Relatively low amounts of magnesium and calcium
Who it’s for: Keto dieters who need to replace electrolytes without adding carbs.
The Bottom Line
The best hydration tablet for you depends on why you need it:
- Fasting or low-carb? Grab KEY NUTRIENTS
- Want better skin? CorneaCare is your pick
- Daily hydration that tastes good? Fizzy Electrolyte Tablets
- Fighting keto flu? Left Coast Performance has you covered
All these options are sugar-free and gluten-free, so at least that decision is made for you.
Remember: no tablet replaces drinking actual water. These are supplements, not substitutes.
