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Energy drink
Energy drink by Relentless provides 20 kcal per 100 ml, with 4.2 g of sugars and 0 g of protein. That is 56% less sugar than the average product in this category. Its Nutri-Score is D and it is classified as NOVA 4 (ultra-processed food). It is listed in the Energy drink with sugar category.
Nutrient levels per 100 ml
Levels use UK front-of-pack reference thresholds for drinks.
Nutrition facts
Serving size: 500ml
| Nutrient | Per 100 ml | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 20 kcal | 101 kcal | 47 −57% | |
| Total fat | 0 g | 0 g | 0% | 0.1 −100% |
| Saturated fat | 0 g | 0 g | 0% | 0 −100% |
| Carbohydrates | 5.2 g | 26 g | 9% | 11.2 −54% |
| Total sugars | 4.2 g | 21 g | 9.6 −56% | |
| Added sugars | 21.4 g | 107 g | 214% | 10.8 +98% |
| Dietary fiber | 0 g | 0 g | 0% | 0.1 −100% |
| Protein | 0 g | 0 g | 0% | 0.4 −100% |
| Salt | 0.1 g | 0.4 g | 0.1 −44% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 310 Energy drink with sugar products on Foodmetria.
Compared with other energy drink with sugar
Bar shows the share of products in this category that contain less of the nutrient.
Ingredients
CARBONATED WATER, SUCROSE, GLUCOSE SYRUP, ACID (CITRIC ACID), TAURINE (0.4%), FLAVOURINGS, ACIDITY REGULATOR (SODIUM CITRATES), PRESERVATIVES (POTASSIUM SORBATE, SODIUM BENZOATE), CAFFEINE (0.03%) SWEETENER (SUCRALOSE), VITAMINS (B3, B5, B6, B12), COLOURS (E129, E102), INOSITOL.
Additives 7
Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.
Product details
- Serving size
- 500ml
- Sold in
- United Kingdom
- Barcode
- 5060466510500
Prices reported by shoppers
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Frequently asked questions
How many calories are in Energy drink?
Energy drink contains 20 kcal per 100 ml and about 101 kcal per serving (500ml).
How much sugar is in Energy drink?
Energy drink has 4.2 g of sugars per 100 ml, which is considered moderate by UK front-of-pack guidelines.
Is Energy drink healthy?
It has a Nutri-Score of D (A is best, E is worst); it is in NOVA group 4 — ultra-processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.
Source: Open Food Facts (ODbL). Last updated March 27, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
Reviews
Compare & rankings
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