ZERO is a refreshing, great tasting sugar free electrolyte drink with zero calories for during exercise and throughout the day.
ZERO is a refreshing sugar free electrolyte drink with zero calories that makes it simple and easy to stay hydrated. When you sweat, you lose vital minerals so it's important that they are replenished. With key electrolytes, sodium and magnesium, ZERO gives you what water can't.
This scientific formula includes Vitamin C to support a healthy immune system, protect cells from oxidative stress and reduce tiredness and fatigue. The magnesium in ZERO contributes to electrolyte balance, whilst also supporting muscle protein synthesis.
ZERO is designed to be taken BEFORE, DURING and AFTER exercise and in hot weather.
Features
FAQ'S
What are the electrolytes in ZERO?
There are 5 electrolytes in ZERO: Magnesium, potassium, sodium, calcium and chloride.
Can I add these to a water bladder like a camelback?
Yes, but some of the natural colouring used in ZERO can stain the bladder if left in there for longer periods of time. You can continue to use your bladder with the discolouration.
Is this product Vegetarian/Vegan?
Yes, ZERO is suitable for both vegetarians and vegans.
Does this product contain caffeine?
ZERO does not contain caffeine.
Is this product natural?
ZERO contains natural flavourings and colourings.
Can I recycle ZERO packaging?
The tube and label are fully recyclable (you just need to separate them from each other). The lid is also recycleable if you pop the silica balls out from the top. This can be done by removing the cardboard protective layer inside the lid.
Is ZERO drug free/free from banned substances?
The main manufacturing site for HIGH5 products, where we make our gels and powders, is Informed Sport certified. We do not use banned ingredients in HIGH5 products and have a 100% proven track record: no athlete has ever tested positive from using a HIGH5 product.
Example Ingredient and Nutritional Information below is for the Berry flavour
| Typical Values | Per 4g | % RI* |
| Magnesium | 56mg | 15% |
| Potassium | 70mg | 3.50% |
| Calcium | 9mg | 1.10% |
| Vitamin C | 28mg | 35% |
| Sodium | 250mg | - |
| Green Tea | 1mg | - |
*Reference intake of an average adult(8,400 kj / 2,000 kcal)
Acidity Regulators (Citric Acid, Malic Acid), Sodium Bicarbonate, Firming Agent (Sorbitols), Magnesium Carbonate, Sodium Citrate, Potassium Citrate, Natural Flavourings, Beetroot Concentrate, L-Ascorbic Acid (Vitamin C), Calcium Carbonate, Sweetener (Sucralose), Black Carrot Concentrate, Leucine, Curcuma Powder, Green Tea Leaves Extract (Camellia Sinensis O.Ktze), Sodium Chloride.
Champions of taste - We’re here to end the idea that sports nutrition which genuinely works and supports your body, should taste artificial.
Scientifically formulated - We push the theoretical science and real world testing to create sports nutrition products that will benefit you, helping you go further than before.
Tested By Pros - Partnering with world-class athletes, like BORA - hansgrohe, ensures that HIGH5 products will not let you down, no matter how tough it gets.
Over 25 years experience - Started by two British Triathletes in 1994, we’ve always been about making effective products for our fellow endurance athletes.






As a UK based company, all of our products are listed from the UK size.
For clothing not usually sold in traditional sizes (S,M,L), sizes are displayed based on the standard UK conversion as follows:
XXS - 6 | XS - 8 | S - 10 | M - 12 | L - 14 | XL - 16 | 2XL - 18 | 3XL - 20 | 4XL - 22
We have a hassle free returns process if you have any issues with sizing.
If you view our listing in another ebay marketplace/region you will see size based on UK Size. For Footwear the size shown in the dropdown would be converted already so you can order based on US/EU/AUS size.
We aim to dispatch all orders on the same day the order is placed Monday to Saturday.
Free Delivery will usually deliver within 2-3 days to a UK Mainland address, however it can take upto 14 working days to arrive.
We use a range of services provided by DPD, DHL, EVRi and Royal Mail - our system will determine which offers the best service when processing your order.
We also offer a next day delivery service in the checkout, other services are available on request.
During busy periods orders may take longer to be dispatched If your order is urgent or you have any concerns please contact us.
Shop with confidence - If any of our items are unsuitable you can return them for a refund or exchange within 60 days.
*Products must be returned unworn, unused, undamaged and in original packaging with all tags.To message our customer service team any time click here
We do our best to respond to all messages as quickly as possible, usually within 24 hours though it can take longer at peak times.
If your enquiry is urgent please call us directly (contact information available under buisness seller information).
Established in 1991, Start Fitness has run up years of experience selling specialist fitness products at affordable prices. From running shoes to GPS watches we’re constantly striving to offer you the best value possible. While we promise never to be undersold, our overriding goal is to deliver the best service we can, both in-store and online.
Founded by runners, and staffed almost entirely by fitness enthusiasts, Start Fitness prides itself on being different from your average sports retailer. Not only do we offer peerless customer service and expert knowledge, we also boast long-standing ties with amateur and professional athletic associations up and down the country, including the Northern Athletics League, the North Eastern Harrier League and the Metropolitan Cross Country League. We take pride in supporting grassroots sport whenever we can and are proud to support a number of up and coming athletes.
Real fitness starts with the right equipment, and at Start Fitness we’re thoroughly committed to kitting you out with everything you need to maximise performance and achieve your training goals. We genuinely believe that every athlete, from novice to pro, should have easy access to expert advice and the best equipment possible, and nothing makes us happier than helping you chase down records, smash PB’s, and achieve your fitness goals.
Over the course of two decades we’ve also worked tirelessly to cultivate valuable relationships with some of the world’s leading sportswear manufacturers. As a result, Start Fitness’ online store offers the finest selection of fitness products anywhere on the web, while our 30,000 square-foot megastore stocks more than 8000 items from some of the biggest names in sport. We also offer an extensive range of training aids and fitness accessories so every athlete can go that little bit further, and train that little bit harder.
Start Fitness is now one of the largest fitness retailers in the UK. Our great choice of brands, specialist knowledge, combined with high standards of customer service and great value really sets us apart from our competitors.