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Subscriber gift

Your free bottle is waiting

Subscribing this Green Friday gets your usual 15% OFF plus a free 950ml double-walled stainless steel bottle. Pick a colour and we’ll add it to your cart.

Offer ends 25 November 2026, while stocks last.

Choose your colour
White TRIO background with headline The Study Trio: Your child's exam support trio with Bioteen Products on right hand side Learnergy for Focus, Relaxify for Pressure and SuperSleep for Sleep
Blue Desktop Bioteen Banner with "Exam Support Trio" copy on left hand side with a button saying "Save on the Trio" - On the right are prodcuts labeled Focus: ClariBoost, Pressure: Relaxify and Sleep: SuperSleep