Core ISO
Core Nutritionals Core ISO is a whey isolate protein powder with 24 g of protein per 1 scoop (28.4 g). It scores 75/100 on the TBPP Quality Score. We found no third-party testing certification.
Nutrition per serving
Chocolate Decadence flavor, from the label.
| Serving size | 1 scoop (28.4 g) |
|---|---|
| Protein | 24 g |
| Calories | 110 |
| Carbohydrates | 1.5 g |
| Sugar | 1 g |
| Fat | 1 g |
| Sodium | 65 mg |
| Protein by weight | 85% |
| Leucine | 2.49 g |
| BCAAs | 5.17 g |
How it scored
75 of 100 points. How we score
| Criterion | Points | Why |
|---|---|---|
| Protein density | 30 / 30 | 85% of each scoop is protein |
| Third-party testing | 0 / 25 | No verified independent testing program |
| Label transparency | 20 / 20 | Fully disclosed formula, no amino spiking |
| Sugar | 10 / 10 | 1 g sugar per serving |
| Ingredient simplicity | 10 / 10 | Natural flavors and 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 | None found |
| Sweeteners | Sucralose |
| Proprietary blend | No |
| Added free amino acids | No |
| Dietary | Gluten-Free, Lactose-Free, Soy-Free, Non-GMO |
| Allergens | Milk |
| Made by | Core Nutritionals · USA |
| Sold at | Core Nutritionals (direct), Walmart |
Price
$59.99–$64.99 for 2 lb. About $1.87 per serving, or $1.95 per 25 g of protein.
Sizes: 1.5 lb, 2 lb
Flavors (11)
- Chocolate Mint Cookie
- Chocolate Peanut Butter Cup
- Frosted Cinnamon Bun
- Vanilla Cake
- Chocolate Decadence
- Strawberry Shortcake
- Cappuccino
- Lemon Pound Cake
- Frosted Vanilla Cupcake
- Death By Chocolate
- Strawberries n' Cream
Sources
- https://corenutritionals.com/products/core-iso-2lb
- https://corenutritionals.com/products/iso-1-5lbs
- https://corenutritionals.com/products.json
- https://cdn.shopify.com/s/files/1/2440/0931/files/ISO_DBC_BACK.png?v=1769790430
- https://api.ods.od.nih.gov/dsld/v9/label/298109
- https://www.walmart.com/ip/Core-Nutritionals-ISO-100-Micro-Filtered-Zero-Artificial-Fillers-24g-Whey-Protein-Isolate-32-servings-Vanilla-Cake/126286723
Nutrition for the 2 lb Chocolate Decadence tub from NIH DSLD 298109 (entered 2023-10-24, UPC 672975315115, on-market): 1 scoop (28.4 g), 32 servings, 110 kcal, 1 g fat, 13 mg cholesterol, 1.5 g carbs, 1 g sugar, 24 g protein, 65 mg sodium; typical amino profile per serving leucine 2491 mg, isoleucine 1325 mg, valine 1357 mg (bcaa_g = sum). Ingredients: cold-processed microfiltered non-GMO whey protein isolate, Dutch cocoa, natural flavors, xanthan gum, sucralose; contains milk; label claims lactose free, gluten free, soy free, non-GMO. The newer 1.5 lb bag (brand label image) is recorded under variants. Flavors combine the 2 lb and 1.5 lb listings on the brand site. Prices 2026-10-14: brand site $59.99 for 2 lb and 1.5 lb; Walmart $64.99 for 2 lb (32 servings).
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.