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It depends on how you measure it. If you go by the amount of food, regular ground beef has 14.35 grams of protein in 100 grams, whereas lettuce has 1.36 grams of protein per 100 grams.

But for each 100-calorie serving, regular ground beef provides 4.3 grams of protein. By comparison, a 100-calorie serving of green leaf lettuce contains 9.06 grams. So lettuce provides the most protein per calorie.

That's good to remember if you're watching your weight.

Another view:

To disregard calories, and go with nutrition by gram weight, meat (or fish) is an excellent source of protein. Lettuce has almost no protein to speak of. To eat enough lettuce to equal fish in protein would make your stomach explode. Lettuce is a very good source of vitamins and minerals. It is a lousy source for protein.

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11y ago

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