Where to Buy Electrolyte Supplements
Find the best deals on electrolyte powders, tablets, and drinks. Compare prices from Amazon and other retailers.
Best Deals on Electrolyte Powders
Top-rated products with the best prices from trusted retailers
Dr. Berg's Electrolyte Powder
$0.50
100
LMNT Electrolyte Powder
$1.33
30
Key Nutrients Electrolyte Powder
$0.33
90
Ultima Replenisher Electrolyte Powder
$0.83
30
Nuun Sport Electrolyte Tablets
$0.50
40
Buying Tips for Electrolyte Supplements
Smart strategies to get the best value and quality
Don't compare total container prices — always calculate the cost per serving. A $30 container with 90 servings ($0.33/serving) is far better value than a $20 container with 16 servings ($1.25/serving).
Amazon's Subscribe & Save can reduce prices by 5-15%. If you take electrolytes daily, subscribing saves money and ensures you never run out.
Look for products with NSF, Informed Sport, or GMP certifications. These ensure what's on the label is actually in the product.
Products with 90-100 servings per container (like Dr. Berg's and Key Nutrients) offer significantly better value than 30-serving options.
Electrolyte supplements often go on sale during New Year (resolution season), Amazon Prime Day, and Black Friday. Stock up during these periods.
Price Comparison
Side-by-side pricing for all electrolyte products we've reviewed
| Product | Rating | Servings | Price/Serving | Sugar-Free | Keto | Buy |
|---|---|---|---|---|---|---|
| Dr. Berg's Electrolyte Powder | 4.8 | 100 | $0.50 | Yes | Yes | Amazon |
| LMNT Electrolyte Powder | 4.7 | 30 | $1.33 | Yes | Yes | Amazon |
| Key Nutrients Electrolyte Powder | 4.5 | 90 | $0.33 | Yes | — | Amazon |
| Ultima Replenisher Electrolyte Powder | 4.4 | 30 | $0.83 | Yes | — | Amazon |
| Nuun Sport Electrolyte Tablets | 4.3 | 40 | $0.50 | No | — | Amazon |
| Hydrant Electrolyte Powder | 4.2 | 30 | $1.00 | Yes | — | Amazon |
| Redmond Re-Lyte Electrolyte Mix | 4.4 | 30 | $1.00 | Yes | Yes | Amazon |
| Perfect Keto Electrolytes | 4.3 | 30 | $1.17 | Yes | Yes | Amazon |
| Rapid Hydration by Liquid I.V. | 4.5 | 16 | $1.06 | No | — | Amazon |
| Vital Electrolyte Powder by Vitalabs | 4.2 | 60 | $0.42 | Yes | — | Amazon |
| Skratch Labs Hydration Mix | 4.7 | 30 | $0.83 | No | — | Amazon |
| Tailwind Nutrition Endurance Fuel | 4.6 | 30 | $0.83 | No | — | Amazon |
| Fasting Salts by Fasting Supplies | 4.3 | 60 | $0.67 | Yes | Yes | Amazon |
| Hydro Tab by OTE Sports | 4.3 | 20 | $0.60 | Yes | — | Amazon |
| Zero Tablet by High5 | 4.2 | 20 | $0.45 | Yes | — | Amazon |
Prices are approximate and may vary. Last updated July 2026. Some links above are affiliate links — we earn a small commission at no extra cost to you.