| 1 | That ingredient is casein , a milk protein. | |
| 2 | It wasn't long before she came across the Gluten Free Casein Free, or GFCF, diet. | |
| 3 | But where carmine is probably good for you, I don't think casein is. | |
| 4 | What they actually suggest is using casein, the principal protein found in milk. | |
| 5 | Granted, at least Galaxy Nutritional Foods explains what casein is in their ingredients list. |