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How we picked
Sodium does most of the work in a hydration mix because it's the electrolyte you lose in the largest amounts through sweat. We grouped products by sodium per serving, from light (under about 300 mg) to moderate (300 to 700 mg) to heavy (700 mg and up), so you can match a pick to your sweat rate, climate and session length instead of chasing the biggest number. We looked at supporting minerals, especially potassium and magnesium, and at whether sugar is included for a reason: carbohydrates help during long endurance work, but they're unnecessary for a 30-minute lift. Transparent labels, third-party testing and sweeteners that reviewers actually tolerate all earned credit. We compared taste and saltiness consensus across creators and priced everything per serving, noting that single-serve sticks travel well while tubs usually cost less per drink.
LMNT is the reviewer favorite for anyone who sweats hard or eats low-carb, packing 1,000 mg sodium, 200 mg potassium, and 60 mg magnesium with no sugar. It's pricey and too salty for casual sipping, and its maltodextrin flavor-carrier disclosure dented its clean-label halo, but nothing else here replaces heavy sweat losses as simply.
1,000 mg sodium per stick suits heavy sweaters and low-carb diets
Zero sugar with a short, stevia-sweetened ingredient list
Brand says every lot is third-party tested for heavy metals and microbes
About $1.50 per stick at single-box pricing
Too salty for casual sippers or anyone limiting sodium
Flavored sticks use a maltodextrin carrier in "natural flavors"
Sodium per stick1,000 mgPotassium per stick200 mgMagnesium per stick60 mg
Nuun Sport is the easy, affordable workhorse: a fizzy tablet with five electrolytes, 300 mg sodium, and just 1 g of sugar that fits any bottle. Reviewers like the price, portability, and flavors, but sport scientists call the sodium modest for long, hot sessions, and Informed Choice now lists Nuun Sport as withdrawn from its testing program.
Roughly 55 cents per tablet in multipacks
Only 1 g sugar and 15 calories per tablet
Ultra-portable tubes with no measuring or sticky sticks
300 mg sodium is modest for long, hot sessions
Fizz can be awkward to drink mid-workout
Drug-tested athletes need to confirm current certification for the exact product and lot
Sodium per tablet300 mgPotassium per tablet150 mgMagnesium per tablet25 mg
Ultima is the zero-sugar, zero-calorie mix reviewers reach for when they want flavored water with minerals rather than a salt bomb. It's pleasant, stevia-sweetened, and cheap by the canister, but with only 55 mg of sodium it isn't built to replace heavy sweat losses.
Zero sugar and zero calories, sweetened with organic stevia
Not salty; reviewers call it easy to drink all day
Broad mineral mix plus vitamin C and zinc
Only 55 mg sodium, too little for heavy sweaters
No NSF Certified for Sport or Informed Sport seal advertised
Stick packs cost roughly twice as much per serving as the canister
Sodium per serving55 mgPotassium per serving250 mgMagnesium per serving100 mg
DripDrop is built on oral rehydration solution science, pairing sodium with a precise amount of sugar to speed fluid absorption, and its core flavors are NSF Certified for Sport. Reviewers like the taste and the dye-free label, but sport scientists call it an expensive way to fuel training because each stick makes only 8 oz.
ORS-style sodium-to-sugar ratio designed for fast absorption
330 mg sodium per 8 oz is a concentrated dose
Colors from natural sources; no FD&C dyes
Each stick makes only 8 oz; a 16 oz bottle needs two
7 g of added sugar per stick
Pricey per ounce for daily training use
Sodium per stick330 mgPotassium per stick180 mgMagnesium per stick40 mg
Liquid I.V. is one of the most popular electrolyte mixes around, thanks to candy-like flavors and a sodium-plus-sugar formula borrowed from oral rehydration science. Reviewers love the taste but flag the 11 g of added sugar, the roughly $1.50-per-stick price, and marketing that oversells how much most people need it.
Crowd-pleasing flavors, including TikTok-favorite limited editions
Respectable 500 mg sodium with a rehydration-style sugar ratio
Easy single-serve sticks sold on Amazon, TikTok Shop, and in stores
11 g of added sugar per stick adds up quickly
Around $1.50 per stick
No third-party testing certification advertised
Sodium per stick500 mgPotassium per stick370 mgSugar per stick11 g (added)
Hydration products are easy to over-market and surprisingly easy to compare, because the numbers that matter are printed right on the label. Our FR Score begins with independent video coverage, where we look for agreement among creators on taste, saltiness and how well each mix works during long or sweaty sessions. We then analyze each formula's sodium, potassium, magnesium and sugar content, note any third-party certification, and weigh the price per stick or scoop. We aren't a lab and don't run sweat or potency tests of our own; we synthesize published information and reviewer experience. Placement can't be purchased, and affiliate partnerships have no say in the rankings.
Who should skip this category
For most people doing an hour or less of moderate exercise, water and normal meals cover electrolyte needs. Skip high-sodium mixes if you've been told to limit salt, and talk to your doctor first if you have high blood pressure, kidney disease or heart failure, or take medication that affects potassium or fluid balance. People who sip electrolyte drinks all day without sweating much may simply be adding sodium they don't need.
Our rankings are for information only and aren’t medical advice. Check with a doctor or pharmacist before starting a supplement, especially if you’re pregnant, take medication or have a health condition. Health disclaimer
