One Stop® Xtreme is an all-in-one muscle-building shake by Reflex Nutrition. Each 145g serving delivers 55g of protein, 73g of low GI carbohydrates, 5,000mg of Creapure® creatine, 10.3g of BCAAs, digestive enzymes, friendly bacteria, and a full vitamin and mineral profile, making it one of the most comprehensive training shakes available.

Mix one 145g serving with 600ml of water in a shaker cup or blender. On training days, take one serving mid-morning and one serving post-workout. On non-training days, take one serving mid-morning and one in the afternoon between meals. The recommended daily intake is up to two servings per day.

One Stop® Xtreme is available in two sizes, a 2.03kg tub providing 14 servings, and a 4.35kg tub providing 30 servings. The larger tub offers better value at £0.38 per serving.

One Stop® Xtreme is designed primarily for serious lifters, bodybuilders and those with high training demands who want a comprehensive all-in-one supplement. It can however be used by anyone looking to conveniently hit their protein and nutritional targets around training.

One Stop® Xtreme is available in a range of flavours including Chocolate Perfection, Vanilla Ice Cream, Strawberries & Cream, Cookies & Cream, Salted Caramel and Blueberry, with flavour availability varying by tub size.

Yes. One Stop® Xtreme contains milk, oat, barley and wheat. It may also contain traces of egg and soya. Always check the full ingredient list if you have known allergies or intolerances.

Yes, you have the right to cancel your order within 14 days from the date you receive your items, without needing to give a reason.

You have 14 days from the date of delivery to cancel your order under your cooling-off period rights. This allows you to change your mind about your purchase and return the item, provided it is unused and in its original, resellable condition.

To arrange a return or refund, please contact our Customer Service team via email on info@reflexnutrition.com or call 01273 303817 with your order number and delivery address, and we will guide you through the next steps.

Yes, return shipping is your responsibility to arrange and pay for.

If a delivery fails or you don't collect your parcel and it comes back to us, additional charges may apply.

Refunds go back to your original payment method once we've received and processed your return. Timings vary by payment provider; your bank or card issuer will confirm the exact date.

If there is an issue with your order, please contact our Customer Service team via email info@reflexnutrition.com or call 01273 303817 with your order number and delivery address as soon as possible so we can investigate and resolve the issue.

Items must be unused and in their original, resellable condition, exactly as you received them. Pack them securely in appropriate packaging to protect them in transit.

We can't accept returns that arrive damaged due to poor packaging.

We are unable to accept returns for certain items where it would not be suitable for resale, such as products that have been opened, used, or are not in a resellable condition.

If you no longer have your receipt or order confirmation, please contact our Customer Service team via email info@reflexnutrition.com or call 01273 303817 with as much information as possible (such as your name, email address, or delivery postcode), and we will do our best to locate your order.

Replacements or exchanges will be processed once your returned item has been received and inspected. Delivery times for replacements will follow standard shipping timeframes.

Yes, items purchased using a discount code or as part of a promotion can still be returned, provided they meet the returns criteria. This means items must be unused and in their original, resellable condition, exactly as you received them. Pack them securely in appropriate packaging to protect them in transit.