Viper Boost gel is the convenient and scientific way to boost your performance on the run with the power of fast-acting Maxcarb carbohydrates.Designed with elite athletes in mind, unique Viper Boost gels are rapidly digested to quickly support optimal hydration, mental drive and energy production, with zero stomach discomfort.

Boost Focus; Stimulating 100mg high strength caffeine to lift your body and mind fast. Wake-up, zone-in and explode into action.
Boost Energy; Maxcarb, an exclusive fast-acting blend of 4 energy-boosting carbohydrates. Sustain your intensity when others are beaten. Get the winning edge.
Boost Hydration;Contains the essential electrolyte sodium, helping to put back what exercise takes out. Boost stamina and go the distance.

Customer reviews below are moderated for offensive content only. They are not medical advice, should not be relied upon, and are not endorsed by Holland & Barrett. For health issues or product suitability, consult a health professional. Products are not medicinal unless stated otherwise.

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The taste is pretty bad..... There's better!

3 stars

Husband is now using these as I couldn't stomach the taste....... Really bad, there are much better gels on the market but probably not with as high caffeine.

Claire40 - 11 years ago

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We go to great efforts to ensure that the information on this page is accurate at the time that the page was last edited. As we are constantly reviewing and developing our products to meet our consumer needs, consumers, particularly those that suffer from allergies and intolerances, should always check product labelling, warnings, and directions provided with the product that is delivered, prior to use or consumption.