Protein Sources in United States of America
| Item | Price | Portion size to get 30g protein | Calories in serving | Cost for 30g protein |
| costco dry pinto beanC | 25lbs for $12.89 | 1cup dry | 480 | $0.17 |
| costco protein powder | 6lbs for $25.99 | 2 scoops | 150 | $0.39 |
| costco fresh nonfat milk | 2gallons for $4.79 | 3&1/3cup | 300 | $0.50 |
| costco nonfat milk powder | 7.75lbs for $21.49 | 1&1/3 cup dry | 320 | $0.50 |
| costco eggs | 5 dozen for $4.99 | 8 egg whites | 128 | $0.62 |
| costco boneless chicken | $2.99 per pound | 4oz | 200 | $0.73 |
| costco canned white tuna | 12 cans for $11.59 | 8/10 can | 140 | $0.77 |
| costco protein bars | 24 bars for $19.99 | 1 bar | 280 | $0.83 |
| organic quinoa | 1lb for $1.75 | 8oz dry | 740 | $0.85 |
| costco organic soy milk | 1.5 gallons for $6.99 | 4 cups | 400 | $1.25 |
| costco canned salmon | 6 cans for $9.99 | 1 can | 200 | $1.67 |
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