Elmeri K.
VerifiedApple is absolutely the best. Mango is also good, as is blackcurrant. Next, I would like lemon or orange as a flavor.
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Discover our unique formulation and doses per tablet
The rest of the ingredients in the ingredient list are there to provide flavor, color and make sure the tablet dissolves properly in water.
Made in the EU
Vegan
GMO-free
Lactose-free
Gluten- and soy-free
ISO 22000 certified

Caffeine and L-theanine for steady energy without quick spikes or crashes.
Dissolves quickly in water for a simple and great-tasting energy solution.
A clear amount of caffeine per tablet that contributes to increased alertness and reduced tiredness.
Sugar-free, vegan and free from artificial colors.
We have collected the most common questions about ingredients, effect, delivery and everything in between. Can't find what you are looking for? Contact us by live chat or email - we are happy to help.


Fuse Energy is an energy drink in the form of effervescent tablets. You put one tablet in water and get a refreshing energy drink with caffeine, L-theanine and B vitamins - with no sugar and no unnecessary additives.
Put one Fuse in a glass or bottle with about 250-400 ml of water. Let it dissolve completely and enjoy.
One Fuse contains 160 mg of caffeine, roughly equivalent to two cups of coffee.
No, Fuse has no added sugar.
Delivery usually takes 1-3 business days within Ireland.
To keep the bottle looking good and working well for as long as possible, we recommend hand washing. Avoid the dishwasher.
What verified customers are saying.
1767 reviews
Elmeri K.
VerifiedApple is absolutely the best. Mango is also good, as is blackcurrant. Next, I would like lemon or orange as a flavor.
Elmeri K.
VerifiedApple is absolutely the best. Mango is also good, as is blackcurrant. Next, I would like lemon or orange as a flavor.
Elmeri K.
VerifiedApple is absolutely the best. Mango is also good, as is blackcurrant. Next, I would like lemon or orange as a flavor.
Linus A.
VerifiedFresh summer
Linus A.
VerifiedSomewhat boring in taste
Linus A.
VerifiedFresh fun summery
Elmeri K.
VerifiedApple is absolutely the best. Mango is also good, as is blackcurrant. Next, I would like lemon or orange as a flavor.
Elmeri K.
VerifiedApple is absolutely the best. Mango is also good, as is blackcurrant. Next, I would like lemon or orange as a flavor.
Linus A.
VerifiedSomewhat boring in taste
Elmeri K.
VerifiedApple is absolutely the best. Mango is also good, as is blackcurrant. Next, I would like lemon or orange as a flavor.
Linus A.
VerifiedFresh summer
Linus A.
VerifiedFresh fun summery