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Letterbox Gains Energy Gel Variety Pack- 12 x 60ml
Letterbox Gains Energy Gel Variety Pack- 12 x 60ml
Letterbox Gains Energy Gel Variety Pack- 12 x 60ml
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Letterbox Gains Energy Gel Variety Pack- 12 x 60ml

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You've asked and we've listened. Introducing the Letterbox Gains Energy Gel Variety Pack.

Choose from a curated box of our most popular brands or a mixed brand box. Either way, you will be receiving a box filled with a top selection of energy gels out in the market. Why not try one of our other selection boxes. We have a box of 4 and 8 gels.

Sis. Go Isotonic Energy Gel

    The GO Isotonic Gel was the worlds first isotonic gel effectively delivering an easily digestible and quick supply of carbohydrate for energy during exercise. GO Isotonic Gels are designed to be consumed without water meaning that you can ensure rapid delivery of carbohydrate to your muscles without the feelings of being bloated that can sometimes occur with over-drinking.

    Key Features:

    • Truly isotonic formulation - no need for water
    • 22 grams of rapidly absorbed carbohydrate per gel
    • Convenient easy-to-take format
    • Contents: 20 x 60ml gels per pack
    • Tropical, Orange, Lemon and Lime, Apple and Blackcurrant flavoured Maltodextrin gel with added sweetener.
    • Suitable For Vegans.

    For nutitional information about the individual products within this pack, please see the relevant product page for each product. Example below is for Pineapple Flavour.

    Typical Values Per 100ml Per Serving 60ml
    Energy 613kj/144kcal 368kj/87kcal
    Protein 0.0g 0.0g
    Carbohydrate 36g 22g
    of which sugars 1.0g 0.6g
    Fat 0.1g 0.0g
    of which saturates 0.0g 0.0g
    Fibre 0.1g 0.0g
    Salt 0.01g 0.01g


    Water, Maltodextrin (from Maize) Gelling Agents (Gellan Gum, Xanthan Gum), Natural Flavouring, Acidity Regulators (Citric Acid, Sodium Citrate), Preservatives (Sodium Benzoate, Potassium Sorbate), Sweetener (Acesulfame K), Sodium Chloride, Antioxidant (Ascorbic Acid)


    Consume 1-3 gels per hour to deliver approximately 60 grams of carbohydrate and maximize carbohydrate utilization rates. Where hydration is also important, SiS GO Isotonic Gels can also be consumed with SiS GO Hydro or with SiS GO Electrolyte to ensure a combination of both energy and fluid delivery during exercise.

    Directions for Use

    Simply tear off the top of the packaging and consume - there is no need to mix with water

    High5 Energy Gel

    These High5 Energy Gels have a smooth, light consistency and contain a dash of real juice for a great taste. Unlike other energy gels, the High5 Energy Gel is neither thick nor overly sweet. Easy to open and swallow, each sachet contains 23g of fast-acting carbohydrate. High5's Energy Gels are award-winning, having been proven in many of the world’s toughest competitions.

    Please note that High5 have given their products a fresh new look, but you may receive a product in older packaging while our stocks transition to the newly branded stock. However, whichever you receive you’ll still enjoy the same awesome formulations and tastes you know and love.


    • 23g of carbohydrate
    • Caffeine free
    • Easy to carry and open
    • Race proven in the world’s toughest competitions
    • Real juice flavours for a light refreshing taste


    Take up to 3 sachets per hour, less if you are also using a sports drink. 

    Nutritional Information:

    Apple Per 100g Per 40g Serving
    Energy (KJ/Kcal) 948/226 379/91
    Fat (g) 0 0
    of which saturates (g) 0 0
    Carbohydrates (g) 56 23
    of which sugars (g) 7 3
    Dietary Fibre (g) 0 0
    Protein (g) 0 0
    Salt (g) 0.1 0.05



    Apple: Glucose, Water, Maltodextrin, Fruit Juice (apple), Acidity Regulators (Malic Acid, Tri Sodium Citrate, Citric Acid), Sea Salt, Preservatives (Potassium Sorbate, Sodium Benzoate), Natural Flavouring.

    For Allergens, see ingredients in bold. May contain traces of milk.

    Recommended Usage:

    Mix the powder contents into 500ml of water and shake well. Drink 150-250ml every 20 minutes during sport.  Consume before and during sport.

    The electrolyte level in Energy Drink should be adequate for most race conditions. However, when temperatures are high and you produce more sweat than usual we recommend adding a HIGH5 ZERO Neutral tab to Energy Drink to give you even more of an electrolyte boost.