GU Original Energy Gel | Running & Endurance

GU Original Energy Gel is a 32g energy gel from GU Energy Labs designed to provide portable carbohydrate fuel for running, cycling, triathlon and other endurance activities. Each packet provides 100 calories, 21–23g of carbohydrate, 60–125mg of sodium and a 450mg GU Amino Acid Blend. The range includes non-caffeinated, 20mg caffeine and 40mg caffeine options.

Key Facts

GU Energy Labs identifies Original Energy Gel as vegan, gluten-free, dairy-free and kosher, and as banned-substance tested.

Choose Your GU Original Flavour

Compare the caffeine, sodium and nutrition differences across the GU Original Energy Gel range to find the option that best fits your fuelling plan.

Non-caffeinated: Birthday Cake, Campfire S'mores, Lemon Sublime, Raspberry Lemonade and Strawberry Banana.

20mg caffeine: Chocolate Outrage, Mandarin Orange, Salted Caramel, Salted Watermelon, Tri-Berry and Vanilla Bean.

40mg caffeine: Caramel Macchiato, Cola Me Happy, Espresso Love and Jet Blackberry.

125mg sodium: Salted Caramel and Salted Watermelon.

Espresso Love and Vanilla Bean are available within selected GU Original Energy Gel listings where stocked. They do not have separate Racepack flavour pages.

What Makes GU Original Energy Gel Different?

GU Original Energy Gel combines maltodextrin and fructose as carbohydrate sources with sodium and a 450mg GU Amino Acid Blend containing L-Leucine, L-Valine and L-Isoleucine.

The range provides 100 calories per 32g packet while allowing athletes to choose between non-caffeinated, 20mg caffeine and 40mg caffeine flavours. Sodium also varies by flavour, with Salted Caramel and Salted Watermelon providing 125mg compared with 60mg in the other flavours covered here.

How to Use GU Original Energy Gel

GU recommends taking an Energy Gel shortly before activity with a few sips of water. For exercise lasting longer than one hour, GU recommends approximately one Energy Gel every 20–30 minutes while continuing to hydrate.

Individual carbohydrate, fluid, sodium and caffeine needs are influenced by exercise duration, intensity, environmental conditions and personal tolerance. Practise your fuelling strategy during training before race day.

Nutrition Information by Flavour

Values are per 1 packet (32g). All flavours provide 100 calories and a 450mg GU Amino Acid Blend.

Campfire S'mores additional nutrition: 0.5g total fat per 32g packet.

Chocolate Outrage additional nutrition: 1.5g total fat, 1g saturated fat, 30mg calcium and 1mg iron per 32g packet.

Ingredients by Flavour

Select a flavour to view its exact ingredient declaration from the supplied product label. All flavours also list a 450mg GU Amino Acid Blend containing L-Leucine, L-Valine and L-Isoleucine.

Birthday Cake

Maltodextrin, water, fructose, potassium citrate, sodium citrate, citric acid, natural flavor, calcium carbonate, sea salt, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative).

Campfire S'mores

Maltodextrin, water, fructose, organic cocoa liquor, natural flavors, sodium citrate, citric acid, potassium citrate, calcium carbonate, sea salt, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative).

Caramel Macchiato

Maltodextrin, water, fructose, natural flavors, sodium citrate, potassium citrate, citric acid, calcium carbonate, sea salt, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative).

Chocolate Outrage

Maltodextrin, water, fructose, organic cocoa liquor, potassium citrate, sodium citrate, sea salt, calcium carbonate, citric acid, calcium chloride, malic acid, pectin powder, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative).

Cola Me Happy

Maltodextrin, water, fructose, natural flavor, citric acid, potassium citrate, sodium citrate, fruit and vegetable juice (for color), calcium carbonate, sea salt, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative).

Espresso Love

Maltodextrin, water, fructose, natural flavor, sodium citrate, potassium citrate, citric acid, calcium carbonate, sea salt, malic acid, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative).

Jet Blackberry

Maltodextrin, water, fructose, natural flavors, citric acid, sodium citrate, potassium citrate, calcium carbonate, sea salt, malic acid, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative).

Lemon Sublime

Maltodextrin, water, fructose, citric acid, potassium citrate, sodium citrate, sea salt, calcium carbonate, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative), natural flavor.

Mandarin Orange

Maltodextrin, water, fructose, citric acid, sodium citrate, potassium citrate, natural flavor, calcium carbonate, sea salt, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative), paprika extract (natural color).

Raspberry Lemonade

Maltodextrin, water, fructose, natural flavors, citric acid, potassium citrate, sodium citrate, sea salt, calcium carbonate, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative), fruit and vegetable juice (for color).

Salted Caramel

Maltodextrin, water, fructose, sea salt, potassium citrate, sodium citrate, citric acid, calcium carbonate, natural flavor, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative).

Salted Watermelon

Maltodextrin, water, fructose, sea salt, citric acid, potassium citrate, natural flavors, sodium citrate, calcium carbonate, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative).

Strawberry Banana

Maltodextrin, water, fructose, potassium citrate, sodium citrate, citric acid, malic acid, calcium carbonate, sea salt, natural flavors, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative), fruit and vegetable juice (for color).

Tri-Berry

Maltodextrin, water, fructose, natural flavors, sodium citrate, potassium citrate, citric acid, calcium carbonate, sea salt, malic acid, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative).

Vanilla Bean

Maltodextrin, water, fructose, potassium citrate, sodium citrate, citric acid, calcium carbonate, sea salt, natural flavor, gellan gum, medium chain triglycerides, sodium benzoate (preservative), potassium sorbate (preservative).

GU Original vs GU Roctane Energy Gel

GU Original Energy Gel and GU Roctane Energy Gel are separate energy-gel ranges from GU Energy Labs. Both provide 100 calories per packet, but Roctane places greater emphasis on sodium and its larger amino-acid formulation.

Which should you choose? Choose GU Original Energy Gel for GU's standard energy-gel formulation and broad range of caffeine and flavour options. Choose GU Roctane Energy Gel when you want the higher sodium range and 1425mg Roctane Amino Acid Blend for longer or more demanding efforts.

Pack Sizes and Other Ways to Buy GU Original

One GU Original Energy Gel packet contains 32g of gel and provides one serving. This listing offers multiple packets of the selected flavour.

To choose individual packets, see GU Original Energy Gel Single Packet.

For an exact 10-packet mixed format, see GU Original Energy Gel Assorted 10 Pack.

For a dedicated 24-count buying option, see GU Original Energy Gel 24 Pack.

For mixed-flavour pack options, see GU Original Energy Gel Assorted.

Shop GU Original Energy Gel in Singapore

Shop GU Original Energy Gel in Singapore from Racepack.sg. Compare the caffeine, sodium and flavour options to choose the right GU Original gel for your training or race fuelling plan.

Explore more products from GU Energy Labs or browse Racepack's energy gels.

GU Original Energy Gel FAQ

How many carbohydrates are in GU Original Energy Gel?

GU Original Energy Gel provides 21–23g of carbohydrate per 32g packet, depending on flavour. Chocolate Outrage contains 21g. Birthday Cake, Campfire S'mores, Caramel Macchiato, Cola Me Happy, Salted Caramel and Vanilla Bean contain 22g. Espresso Love, Jet Blackberry, Lemon Sublime, Mandarin Orange, Raspberry Lemonade, Salted Watermelon, Strawberry Banana and Tri-Berry contain 23g.

How much caffeine is in GU Original Energy Gel?

Birthday Cake, Campfire S'mores, Lemon Sublime, Raspberry Lemonade and Strawberry Banana are non-caffeinated. Chocolate Outrage, Mandarin Orange, Salted Caramel, Salted Watermelon, Tri-Berry and Vanilla Bean provide 20mg of caffeine. Caramel Macchiato, Cola Me Happy, Espresso Love and Jet Blackberry provide 40mg.

How much sodium is in GU Original Energy Gel?

Salted Caramel and Salted Watermelon provide 125mg of sodium per packet. The other GU Original flavours covered here provide 60mg.

What is the 450mg GU Amino Acid Blend?

Each GU Original flavour covered here provides a 450mg GU Amino Acid Blend containing L-Leucine, L-Valine and L-Isoleucine.

When should I take GU Original Energy Gel?

GU recommends taking an Energy Gel shortly before activity with water. For exercise lasting longer than one hour, GU recommends approximately one gel every 20–30 minutes while continuing to hydrate. Practise your fuelling strategy during training before race day.

What is the difference between GU Original and GU Roctane Energy Gel?

Both provide 100 calories per packet. GU Original provides 21–23g of carbohydrate, 60–125mg of sodium and a 450mg GU Amino Acid Blend. GU Roctane provides 19–21g of carbohydrate, 125–180mg of sodium and a 1425mg Roctane Amino Acid Blend. GU positions Roctane for long-duration and high-intensity activity.

Is GU Original Energy Gel vegan and gluten-free?

GU Energy Labs currently identifies Original Energy Gel as vegan, gluten-free, dairy-free and kosher.

Are Espresso Love and Vanilla Bean available from Racepack?

Espresso Love and Vanilla Bean are available within selected GU Original Energy Gel listings where stocked by Racepack. They do not have separate Racepack flavour pages.