View full-size photo · Photo: Open Food Facts contributors, CC BY-SA
Diet Fuel
Diet Fuel by USN provides 56 kcal per 100 ml, with 4.7 g of sugars and 8 g of protein. That is 18% more sugar than the average product in this category. It is classified as NOVA 4 (ultra-processed food). It is listed in the Protein shakes category and comes in a 310ml pack. Contains: milk.
Nutrient levels per 100 ml
Levels use UK front-of-pack reference thresholds for drinks.
Nutrition facts
| Nutrient | Per 100 ml | Category avg |
|---|---|---|
| Calories | 56 kcal | 141 −60% |
| Total fat | 0.5 g | 2.6 −81% |
| Saturated fat | 0.5 g | 1 −51% |
| Carbohydrates | 5 g | 8 −38% |
| Total sugars | 4.7 g | 4 +18% |
| Added sugars | 0 g | 0.9 −100% |
| Dietary fiber | 0.7 g | 2.4 −71% |
| Protein | 8 g | 21.2 −62% |
| Salt | 0.2 g | 0.5 −66% |
*% Daily Value for 100 ml, based on a 2,000-calorie diet (FDA reference values). Category average across 1013 Protein shakes products on Foodmetria.
Compared with other protein shakes
Bar shows the share of products in this category that contain less of the nutrient.
Ingredients
Milk protein concentrate, Skimmed milk, Milk protein isolate, Water, Fat reduced cocoa powder (1%), Flavouring, Stabiliser (Carrageenan), Acidity regulator (Tri-sodium citrate), Sweetener Sucralose), ALLERGENS: For allergens, see ingredients in bold
- Allergens
- Milk
Additives 4
Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.
Product details
- Quantity
- 310ml
- Labels & certifications
- No added sugar
- Sold in
- France
- Barcode
- 6009702503561
Prices reported by shoppers
Loading prices…
Frequently asked questions
How many calories are in Diet Fuel?
Diet Fuel contains 56 kcal per 100 ml.
How much sugar is in Diet Fuel?
Diet Fuel has 4.7 g of sugars per 100 ml, which is considered moderate by UK front-of-pack guidelines.
Is Diet Fuel healthy?
It is in NOVA group 4 — ultra-processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.
Is Diet Fuel vegan?
Based on its ingredient list, it is not vegan.
What allergens does Diet Fuel contain?
According to the label data it contains: Milk. Recipes change — always check the package label.
Source: Open Food Facts (ODbL). Last updated March 24, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
Reviews
Compare & rankings
Healthier alternatives
Best in category →Same category, meaningfully better on at least one measure and no worse on the others. Each card shows what improves.
NOVA 4
NOVA 4
NOVA 4
NOVA 4 More protein shakes
View all →
NOVA 4
NOVA 4
NOVA 4
More from USN
View all →
NOVA 4
c NOVA 4
NOVA 4
NOVA 4
NOVA 4