Shop Hr Labs supplements

HR Labs is a UK performance brand built around training-day hydration and pre-workout — Proven for stim sessions, Wattr for electrolytes/fluids, and Rest Up for evening support.

Browse 35+ HR Labs products at GymStack: Proven flavours (Orange Crush, Gummy Bears, Frootz, CLAssic Cola), a wide Wattr hydration range and Rest Up capsules. The lineup is designed so you can keep pre, intra and recovery in one brand.

How to shop HR Labs: Proven before training; Wattr during longer or hotter sessions; Rest Up on nights when sleep quality matters for recovery. Compare pre-workout, hydration & electrolytes and sleep support. Watch total caffeine if you stack Proven with coffee or energy drinks.

HR Labs with free UK delivery over £75.