Low Carb 100% Whey Protein Isolate
Isopure Low Carb 100% Whey Protein Isolate is a whey isolate protein powder with 25 g of protein per 33 g (about 1 scoop). It scores 78/100 on the TBPP Quality Score. It is Informed Choice.
Nutrition per serving
Dutch Chocolate flavor, from the label.
| Serving size | 33 g (about 1 scoop) |
|---|---|
| Protein | 25 g |
| Calories | 110 |
| Carbohydrates | 1 g |
| Sugar | 0 g |
| Fat | 1 g |
| Sodium | 210 mg |
| Protein by weight | 76% |
| Leucine | Not verified |
| BCAAs | Not verified |
How it scored
78 of 100 points. How we score
| Criterion | Points | Why |
|---|---|---|
| Protein density | 22 / 30 | 76% of each scoop is protein |
| Third-party testing | 15 / 25 | Independently tested for contaminants or label accuracy |
| Label transparency | 20 / 20 | Fully disclosed formula, no amino spiking |
| Sugar | 10 / 10 | 0 g sugar per serving |
| Ingredient simplicity | 6 / 10 | Mix of natural and artificial flavors or sweeteners |
| 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 |
| Proprietary blend | No |
| Added free amino acids | No |
| Dietary | Gluten-Free |
| Allergens | Milk, Soy |
| Made by | Isopure (Glanbia) |
| Sold at | Isopure (brand site) |
Price
$39.99–$221.99 for 2.91 lb. About $1.00 per serving, or $1.00 per 25 g of protein.
Sizes: 1.02 lb (14 servings), 2.91 lb (40 servings), 4.51 lb (62 servings), 7.5 lb (103 servings)
Flavors (2)
- Dutch Chocolate
- Toasted Coconut
Sources
- https://www.theisopurecompany.com/products/flavored-protein-powder
- https://www.theisopurecompany.com/products/zero-low-carb-protein-powder
- https://www.theisopurecompany.com/products/flavored-protein-powder.js
- https://www.theisopurecompany.com/cdn/shop/files/US_LowCarb_3lb_DutchChocolate_NFP_6f81115b-6058-45c4-81b4-f845415b282e.png
- https://choice.wetestyoutrust.com/supplement-search/isopure/low-carb
- https://choice.wetestyoutrust.com/supplement-search/brand/isopure
Nutrition and ingredients read from brand label image (Dutch Chocolate, 3 lb); label lists cocoa and 'Natural and Artificial Flavor'. Flavor mapping from brand image filenames (US_LowCarb_*). Prices/sizes from brand Shopify variant data 2026-10-13. Informed Choice 'ISOPURE - LOW CARB' (certified 2023-03-13, batches to Aug 2026) confirmed via search-indexed certifier page; direct fetch 403. Parent company per Glanbia 2014 acquisition; not re-verified for 2026.
Good to know
Last checked 2026-10-13. 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.