C4
Explore C4 products, comparisons, flavors, and trusted buying options.
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C4 Products
Product cards update automatically from the SLF electrolyte database.
C4 Performance Energy
🚫🍬 Best Zero SugarA zero-sugar performance energy drink with 200 mg caffeine, beta-alanine and betaine. Its sodium and potassium levels are low, so it fits better as…
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XTEND Healthy Hydration
💪 Best PerformanceXTEND Healthy Hydration provides 450 mg sodium, 380 mg potassium, 40 mg magnesium, phosphorus, and a broad vitamin blend with only 5 calories.
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Compare flavors, nutrition, sweeteners, ratings, and shopping availability.
| Flavor | Product | Highlight | Sodium | Sugar | Sweetener | Caffeine | SLF Rating | Available At |
|---|---|---|---|---|---|---|---|---|
| Watermelon Jolly Rancher | C4 Performance Energy | 🚫🍬 Best Zero Sugar | 40 mg | 0.0 g | Sucralose; Acesulfame Potassium | yes | 4.0/5 | Amazon • Target • CVS • Walmart • Direct |
| Green Apple Jolly Rancher | C4 Performance Energy | 🚫🍬 Best Zero Sugar | 40 mg | 0.0 g | Sucralose; Acesulfame Potassium | yes | 4.0/5 | Amazon • Target • CVS • Walmart • Direct |
| Blue Razz Jolly Rancher | C4 Performance Energy | 🚫🍬 Best Zero Sugar | 40 mg | 0.0 g | Sucralose; Acesulfame Potassium | yes | 4.0/5 | Amazon • Target • CVS • Walmart • Direct |
| Peach Jolly Rancher | C4 Performance Energy | 🚫🍬 Best Zero Sugar | 40 mg | 0.0 g | Sucralose; Acesulfame Potassium | yes | 4.0/5 | Amazon • Target • CVS • Walmart • Direct |
| Strawberry Banana | XTEND Healthy Hydration | 💪 Best Performance | 450 mg | 0.0 g | Sucralose and Acesulfame Potassium | no | 4.4/5 | Amazon • Target • Walmart • Direct |
| Lemon Lime | XTEND Healthy Hydration | 💪 Best Performance | 450 mg | 0.0 g | Sucralose and Acesulfame Potassium | no | 4.4/5 | Amazon • Target • Walmart • Direct |
| Mango | XTEND Healthy Hydration | 💪 Best Performance | 450 mg | 0.0 g | Sucralose and Acesulfame Potassium | no | 4.4/5 | Amazon • Target • Walmart • Direct |
| Watermelon | XTEND Healthy Hydration | 💪 Best Performance | 450 mg | 0.0 g | Sucralose and Acesulfame Potassium | no | 4.4/5 | Amazon • Target • Walmart • Direct |
C4 Comparisons
XTEND vs Podium (2026): Which Is Better?
See how this brand compares with Podium Salt + Electrolytes.
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XTEND vs TRUWILD (2026): Which Is Better?
See how this brand compares with TRUWILD Electrolytes.
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XTEND vs Gainful (2026): Which Is Better?
See how this brand compares with Gainful High Performing Hydration.
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XTEND vs Propel Powder (2026): Which Is Better?
See how this brand compares with Propel Electrolyte Powder.
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XTEND vs IQMIX (2026): Which Is Better?
See how this brand compares with IQMIX Hydration Electrolyte Powder.
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XTEND vs Waterboy Daily (2026): Which Is Better?
See how this brand compares with Waterboy Hydration Electrolyte Drink Mix.
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LMNT1 product reviewedView brand review →C4 FAQ
How much sodium is in C4 electrolytes?
The products currently tracked by SLF range from 40 to 450 mg of sodium per serving.
Is C4 sugar free?
C4 products currently tracked by SLF are sugar-free or contain no more than 1 gram of sugar per serving.
Does C4 contain caffeine?
The products currently tracked by SLF are caffeine-free.
Is C4 vegan?
The tracked products are marked vegan in the SLF database.
Where can I buy C4?
C4 is currently linked through Amazon, Target, CVS, Walmart, Direct. Availability can change by product and location.