C4 Workout Supplement (2026): Benefits, Side Effects & Is It Worth It?
Walk into any gym, and you’ll see it — someone shaking a neon-coloured drink before a workout. Chances are, it’s C4. It’s been one of the most recognisable pre-workouts on the market for over a decade, and in 2026, it’s still the name most people reach for when they first start looking at this category

