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Electrolyte guides
We read the labels so you don't have to. Start with the foundational guide, then go deeper on the specific number you are trying to compare.
Start here
Electrolytes 101
What electrolytes are, what each mineral does, how to read a label and how we verify every value on this site.
Go deeper by topic
Sodium / potassium / magnesium
Sodium vs potassium vs magnesium
How sodium, potassium and magnesium differ on an electrolyte label, why sodium is declared in the largest amounts, and what to check on each product.
Sodium in electrolytes
How much sodium do you need in an electrolyte drink?
Why electrolyte products declare anything from a pinch of sodium to over a gram per serving, and how to match a declared figure to your own session.
Electrolytes vs sports drinks
Electrolytes vs sports drinks
Electrolyte mixes and traditional sports drinks differ mainly in declared sodium, sugar and carbohydrate per serving. How to compare the two on label data.
Powder vs tablets
Electrolyte powder vs tablet vs ready-to-drink
How electrolyte powders, sticks, tablets and ready-to-drink bottles differ on declared sodium per serving, packability and dosing control.
Sugar
Sugar-free electrolytes and the sweeteners they use
What a declared 0g sugar panel actually means, which sweeteners replace the sugar, and when carbohydrate in an electrolyte drink is doing a job.
Caffeine
Caffeine in electrolytes
Most electrolyte mixes are caffeine free, but energy variants inside the same product line are not. How caffeine status is declared and how to check it.
Comparing electrolytes
How to compare electrolyte products
A repeatable way to compare two electrolyte products: normalise the serving, compare declared minerals, sugar and calories, then check format and price per serving.
Sport & exercise
Electrolytes for sport and exercise
How declared sodium, carbohydrate and format map to different sessions, from an indoor gym hour to a hot multi-hour effort, using label data only.
Reading a label
How to read an electrolyte label
Serving size, per-serve versus per-100g, undeclared minerals, sugar and sweeteners: how to read an electrolyte label and compare two products fairly.
Then use the data
Every guide points back at declared label data you can check yourself.