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Hydration & Electrolyte Supplements UK

Browse hydration powders, electrolyte mixes, tablets and formulas with recently checked in-stock prices. Check available prices and stock now; more retailer comparisons will appear as current coverage grows.

Current coverage: 34 products, 122 recently checked offers and 8 retailers. 5 products currently have multiple recently checked retailers.

Quick decision

Your quickest answers, using only verified current data

One product can earn more than one answer. We show fewer cards when the evidence does not support three different products.

Lowest delivered total: £11.48

XO Fitness

XO Fitness Daily Hydration Electrolyte Drink Sachets 10 x 6g

1 current retailer and 1 recently checked offer.

Offer checked 3 Nov 2026, 10:07

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Current products

Recently checked prices and stock

Latest retailer check: 3 Nov 2026, 12:25

Showing 11 of 34 products

Per4m

PER4M Hydrate Electrolyte Mix 210g

28 recently checked in-stock offers from 10 Reps, eBay UK, Jon's Supplements, Discount Supplements.

Offer checked 3 Nov 2026, 12:25

Lowest current delivered price

£21.38

Includes known delivery

Available at 10 Reps

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How freshness works

Only active, in-stock offers with a valid price, retailer mapping, retailer URL and a check within the same 24-hour freshness window used by the Creatine comparison appear here. Older or incomplete offers do not influence current prices.

8 older or unusable in-stock offers are currently excluded. Prices and stock can change after the displayed check, so confirm details on the retailer page.

Why retailer coverage matters

One current retailer offer is useful for checking availability, but it is not a full price comparison. We only present this page as a retailer comparison in search when enough products have recently checked offers from multiple UK retailers.

Hydration and electrolyte questions

What are hydration supplements?

They are products designed to add fluid-mixing ingredients and, commonly, electrolytes to a drink. Formats include powders, tablets and ready-to-drink products.

What do electrolyte products commonly contain?

Formulas commonly use minerals such as sodium, potassium or magnesium. Amounts vary, so check the product label rather than assuming every formula is equivalent.

Who may use hydration products?

People commonly consider them around exercise, travel or other situations involving fluid intake. Individual needs vary; follow the label and seek qualified advice when appropriate.

How are hydration products different from EAA or pre-workout?

Hydration products are positioned around fluids and electrolytes. EAA products focus on essential amino acids, while pre-workouts use ingredients intended for use before training. Combination products appear here only when hydration or electrolyte positioning is explicit.

How does SupplementScout check prices and stock?

Retailer offers are mapped to reviewed canonical products. This page accepts only valid in-stock offers checked within 24 hours and never fills missing prices by estimation.

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