1 Block ~ 7 grams Protein
Proteins:
Recommended:
1 Block =  Whey and Whey Blends
1 oz Chicken Breast
1 oz Turkey Breast
1 oz Rabbit Meat
1 oz Goat Meat
1 oz Whitefish (Catfish, orange roughy, Halibut, etc)
1 oz Meaty Fish (Swordfish, Tuna, Salmon)
2 whites Egg Whites
1/4 Cup Fat Free Cottage Cheese
1 oz Fat Free Cheeses
1 Fat Free Yogurt (=1/2 carb-1/2 protein)
Use, but in limited quantities due to fat content:
1 oz Beef Loin (Sirloin, Top round, etc)
1 oz Pork Loin
1 oz Extra lean ground beef
1 oz 98% Fat Free Ham (Only those with no Nitrites)
1 oz 98% or better Luncheon Meats (only those with no Nitrites)
1 Eggs
Avoid or in extremely limited quantities:
Bacon
Regular ground beef
Shellfish
Liver and organ meats
Any fatty meats
Cheese
Cured fish (Sardines, anchovies, herring, etc)