The pellets are around 1 cm in diameter and can be bagged easily. >This form of dry ice is more suited to small scale use, for example at grocery stores and laboratories. Dry ice is also inexpensive; it costs about US$2 per kilogram. >Dry ice is also used as a convenient source of carbon dioxide.
If your cravings are more protein based then you need to take a look at the information we have here. Aggressive food protein cravings can be caused by a lot of different factors. Mood swings play a vital role in the types of food you crave.
This wasn't an issue for me when I didn't eat healthy because I didn't consume much dairy. Also, I find that when my diet is particularly high in protein and/or fat and low in carbs, I feel a bit sick and crave carbs. This is because protein and fat are harder to digest than carbs. Make sure that you're focusing on foods that are easy to digest.