View full-size photo · Photo: Open Food Facts contributors, CC BY-SA
Why protein fusion
Why protein fusion by Prozis provides 389 kcal per 100 g, with 3.9 g of sugars and 79 g of protein. That is 20% less sugar than the average product in this category. Its Nutri-Score is B. It is listed in the Whey category.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 1 serving (31 g)
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 389 kcal | 121 kcal | 339 +15% | |
| Total fat | 5.4 g | 1.7 g | 2% | 4 +37% |
| Saturated fat | 2.6 g | 0.8 g | 4% | 2 +32% |
| Carbohydrates | 6.2 g | 1.9 g | 1% | 6 |
| Total sugars | 3.9 g | 1.2 g | 4.9 −20% | |
| Protein | 79 g | 24.5 g | 49% | 66 +20% |
| Salt | 0.2 g | 0.1 g | 0.5 −53% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 33 Whey products on Foodmetria.
Compared with other whey
Bar shows the share of products in this category that contain less of the nutrient.
Product details
- Serving size
- 1 serving (31 g)
- Sold in
- France
- Barcode
- 5600380896917
Prices reported by shoppers
Loading prices…
Frequently asked questions
How many calories are in Why protein fusion?
Why protein fusion contains 389 kcal per 100 g and about 121 kcal per serving (1 serving (31 g)).
How much sugar is in Why protein fusion?
Why protein fusion has 3.9 g of sugars per 100 g, which is considered low by UK front-of-pack guidelines.
Is Why protein fusion healthy?
It has a Nutri-Score of B (A is best, E is worst). Scores describe nutritional quality and processing, not suitability for your individual diet.
Source: Open Food Facts (ODbL). Last updated July 20, 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.
a NOVA 4 
a 
a NOVA 4 
a NOVA 4 More whey
View all →
NOVA 4
a NOVA 4 
NOVA 4 
NOVA 4 
d NOVA 4 More from Prozis
View all →
a NOVA 1 
NOVA 4 
a NOVA 2 
NOVA 4 
a NOVA 1 
a NOVA 1