Isozero Whey Protein
USN Isozero Whey Protein is a whey isolate protein powder with 20 g of protein per 1 scoop (23 g). It scores 70/100 on the TBPP Quality Score. It is Informed Choice.
Nutrition per serving
Chocolate flavor, from the label.
| Serving size | 1 scoop (23 g) |
|---|---|
| Protein | 20 g |
| Calories | 85 |
| Carbohydrates | 0 g |
| Sugar | 0 g |
| Fat | 0.5 g |
| Sodium | 66 mg |
| Protein by weight | 87% |
| Leucine | 2.2 g |
| BCAAs | 4.8 g |
How it scored
70 of 100 points. How we score
| Criterion | Points | Why |
|---|---|---|
| Protein density | 30 / 30 | 87% of each scoop is protein |
| Third-party testing | 15 / 25 | Independently tested for contaminants or label accuracy |
| Label transparency | 10 / 20 | uses a proprietary blend |
| Sugar | 10 / 10 | 0 g sugar per serving |
| Ingredient simplicity | 0 / 10 | Flavor system not verified |
| Verified label data | 5 / 5 | 7 of 7 label values verified |
Formula and label
| Type | Whey Isolate |
|---|---|
| Protein sources | Whey Protein Isolate |
| Third-party testing | Informed Choice |
| Sweeteners | Sucralose, Acesulfame Potassium |
| Proprietary blend | Yes |
| Added free amino acids | No |
| Dietary | Vegetarian, Gluten-Free, Halal |
| Allergens | Milk, Soy |
| Made by | USN · South Africa |
| Sold at | USN South Africa online store |
Price
We could not verify a current U.S. price.
Sizes: 805 g, 1.6 kg
Flavors (3)
- Chocolate
- Vanilla
- Tropika Orange
Sources
- https://za.usn.global/collections/proteins
- https://za.usn.global/products/isozero-whey
- https://cdn.shopify.com/s/files/1/0614/7968/2199/files/SACS_IsoZeroWhey_805g_Chocolate_Nutri.webp
Nutrition from the brand's 'Download nutritional information' label image for 805 g Chocolate on za.usn.global, per 23 g scoop (35 servings): 357 kJ, 20.0 g protein, 0.0 g glycaemic carbohydrate, 0.0 g total sugar, 0.5 g fat, 1.5 mg cholesterol, 0.6 g fibre, 66 mg sodium; amino acids per 23 g: leucine 2.2 g, total BCAAs 4.8 g. The label gives energy only in kJ; calories = 357 kJ / 4.184 = 85 kcal (converted). Ingredients: whey protein isolate (91%), cocoa powder (6%), flavouring (type not stated), sodium chloride, sunflower lecithin, DigeZyme proprietary multi-enzyme complex, xanthan gum, sucralose, acesulfame K. Allergens: cow's milk, may contain traces of soy (lecithin). Lacto-vegetarian and naturally gluten-free marks on label; Halaal applies to Chocolate and Vanilla only per the brand page. Informed Choice batch testing is claimed on the brand page. Manufactured in South Africa. Not sold in the US; brand-site price R 1,599 (ZAR) for 1.6 kg on 2026-10-14.
Good to know
Last checked 2026-10-14. Labels change, so check the package before buying if you have allergies. If you are pregnant, nursing or buying for a child, ask your doctor before adding a supplement.