These foods provide the least calories per 10g protein—great when you want to maximize protein while minimizing calories.
| Food | Category | Calories | Cost | Weight (g) |
|---|---|---|---|---|
| Collagen peptides | Supplements | 40.00 | $0.33 | 11.11 |
| Casein protein | Supplements | 40.00 | $0.39 | 11.11 |
| Shrimp | Fish & Seafood | 41.25 | $0.58 | 41.67 |
| Ground turkey 93% lean | Poultry | 42.59 | $0.30 | 37.04 |
| Canned tuna (water) | Fish & Seafood | 43.48 | $0.39 | 43.48 |
| Whey protein isolate | Supplements | 43.83 | $0.49 | 12.35 |
| Soy protein powder | Supplements | 44.71 | $0.26 | 11.76 |
| Cod | Fish & Seafood | 45.56 | $0.56 | 55.56 |
| Tilapia | Fish & Seafood | 45.71 | $0.43 | 47.62 |
| Turkey breast | Poultry | 46.55 | $0.21 | 34.48 |
| Egg whites | Eggs | 47.27 | $0.27 | 90.91 |
| Egg white protein powder | Supplements | 47.50 | $0.31 | 12.50 |
| Pea protein powder | Supplements | 47.50 | $0.25 | 12.50 |
| Whey protein | Supplements | 50.00 | $0.44 | 12.66 |
| Chicken breast | Poultry | 53.23 | $0.16 | 32.26 |
| Seitan | Grains | 57.14 | $0.38 | 47.62 |
| Lean pork loin | Red Meat & Game | 57.69 | $0.42 | 38.46 |
| Greek yogurt (non-fat) | Dairy | 59.00 | $0.80 | 100.00 |
| Venison | Red Meat & Game | 60.77 | $0.50 | 38.46 |
| Mushrooms (raw) | Vegetables | 70.97 | $1.94 | 322.58 |
| Organic plant-based protein | Supplements | 75.81 | $0.98 | 23.26 |
| Spinach (raw) | Vegetables | 79.31 | $1.72 | 344.83 |
| Cottage cheese (low-fat) | Dairy | 89.09 | $0.55 | 90.91 |
| Tofu (firm) | Soy | 95.00 | $0.38 | 125.00 |
| Beef sirloin | Red Meat & Game | 96.15 | $0.46 | 38.46 |