100% Micellar Casein
It's Just! 100% Micellar Casein is a casein protein powder with 28 g of protein per 1 scoop (33 g). It scores 75/100 on the TBPP Quality Score. We found no third-party testing certification.
Nutrition per serving
Unflavored flavor, from the label.
| Serving size | 1 scoop (33 g) |
|---|---|
| Protein | 28 g |
| Calories | 120 |
| Carbohydrates | 1 g |
| Sugar | 1 g |
| Fat | 2 g |
| Sodium | 21 mg |
| Protein by weight | 85% |
| Leucine | 3 g |
| BCAAs | 6.9 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 | Unflavored |
| Verified label data | 5 / 5 | 7 of 7 label values verified |
Formula and label
| Type | Casein |
|---|---|
| Protein sources | Micellar Casein |
| Third-party testing | None found |
| Sweeteners | None listed |
| Proprietary blend | No |
| Added free amino acids | No |
| Dietary | Gluten-Free, Non-GMO |
| Allergens | Milk |
| Made by | It's Just! (138 Foods, Inc.) · USA |
| Sold at | 138 Foods (direct), Amazon |
Price
$89.99 for 5 lb bottle (about 68 servings). About $1.32 per serving, or $1.18 per 25 g of protein.
Sizes: 1 lb bag, 3 lb bag, 5 lb bottle
Flavors (1)
- Unflavored
Sources
- https://www.itsjustfoods.com/
- https://138foods.com/products/its-just-micellar-casein-protein
- https://138foods.com/products/its-just-micellar-casein-protein.json
- https://cdn.shopify.com/s/files/1/1759/7317/files/Casein5lbback.jpg
Nutrition from the 5 lb bottle back-label image on the brand store (138foods.com): 1 scoop (33 g), about 68 servings, 120 kcal, 2 g fat, 21 mg sodium, 1 g carbs, 1 g sugar, 28 g protein; ingredients micellar casein (from USA Grade 'A' skim milk); Contains: Milk. Leucine 3,003 mg and BCAAs 6.90 g (isoleucine 1,749 + leucine 3,003 + valine 2,145 mg) from the label's Typical Amino Acid Profile. Gluten-free and non-GMO ingredients are claims on the label side panel; 'third party tested' is claimed but no program is named. Prices from 138foods.com 2026-10-14: 1 lb bag $27.99, 3 lb bag $59.99, 5 lb bottle $89.99.
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.