Custard Casein Protein
Muscle Nation Custard Casein Protein is a casein protein powder with 23.6 g of protein per 40 g. It scores 37/100 on the TBPP Quality Score. We found no third-party testing certification.
Nutrition per serving
Choc Honeycomb flavor, from the label.
| Serving size | 40 g |
|---|---|
| Protein | 23.6 g |
| Calories | 146 |
| Carbohydrates | 6 g |
| Sugar | 3.7 g |
| Fat | 2.2 g |
| Sodium | 100 mg |
| Protein by weight | 59% |
| Leucine | 1.9 g |
| BCAAs | 4.26 g |
How it scored
37 of 100 points. How we score
| Criterion | Points | Why |
|---|---|---|
| Protein density | 6 / 30 | 59% 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 | 6 / 10 | 3.7 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 | Casein |
|---|---|
| Protein sources | Milk Protein Isolate, Skim Milk Powder |
| Third-party testing | None found |
| Sweeteners | Sucralose |
| Proprietary blend | No |
| Added free amino acids | No |
| Dietary | Gluten-Free, Non-GMO |
| Allergens | Milk |
| Made by | Muscle Nation · Australia |
| Sold at | Muscle Nation (official store) |
Price
We could not verify a current U.S. price.
Sizes: 1 kg (25 serves)
Flavors (3)
- Choc Honeycomb
- Choc Mint
- Choc Banana
Sources
- https://musclenation.com.au/
- https://musclenation.com.au/products/custard-casein-protein-choc-honeycomb-25-serves
- https://musclenation.com.au/products/custard-casein-protein-choc-honeycomb-25-serves.json
- https://cdn.shopify.com/s/files/1/0017/6075/5779/files/Custard_1kg_Choc-Honeycomb_NIP.png
- https://musclenation.com.au/products.json
Nutrition from the brand's Choc Honeycomb nutrition panel image, per 40 g serve (25 serves): 612 kJ / 146 Cal, 23.6 g protein, gluten not detected, 2.2 g fat (1.8 g saturated), 6.0 g carbs, 3.7 g sugars, 3.0 g fibre, 100 mg sodium, 611 mg calcium. Leucine 1,900 mg; bcaa_g is leucine + isoleucine (1,060 mg) + valine (1,300 mg), naturally occurring per the panel (the product copy's '6.5 g BCAAs' is not supported by the panel). Ingredients: milk protein isolate 62%, flavours, skim milk powder, cocoa 7%, inulin, coconut MCT oil powder, CMC, silicon dioxide, sucralose, salt; contains milk. Categorised as casein because the brand sells it as a casein (milk protein isolate) custard protein. Gluten-free and non-GMO are brand claims. Flavors are the three Custard Casein listings currently in the brand catalog. Not sold in the US; brand-store price AUD $74.99 per 25-serve (1 kg) tub, checked 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.