Foods high in Proline

Every food and ingredient below is ranked by measured Proline content per 100 g, drawn live from 60 USDA FoodData Central measurements. Values are laboratory-analysed or survey-derived, not estimated.

Top 25 foods highest in Proline

Ranked by Proline per 100g, across Foundation Foods and FNDDS ingredients.

#	Food or ingredient	Source	Per 100g (G)
1	Soy milk, unsweetened, plain, shelf stable	Foundation Food	13.69
2	Flour, soy, defatted	Foundation Food	2.84
3	Cheese, dry white, queso seco	Foundation Food	2.38
4	Flour, soy, full-fat	Foundation Food	2.13
5	Nuts, almonds, whole, raw	Foundation Food	1.31
6	Peanut butter, creamy	Foundation Food	1.24
7	Yogurt, Greek, plain, nonfat	Foundation Food	1.17
8	Almond butter, creamy	Foundation Food	1.12
9	Nuts, pine nuts, raw	Foundation Food	1.05
10	Sesame butter, creamy	Foundation Food	0.929
11	Flaxseed, ground	Foundation Food	0.872
12	Sausage, breakfast sausage, beef, pre-cooked, unprepared	Foundation Food	0.84
13	Nuts, walnuts, English, halves, raw	Foundation Food	0.78
14	Sausage, turkey, breakfast links, mild, raw	Foundation Food	0.77
15	Eggs, Grade A, Large, egg yolk	Foundation Food	0.748
16	Nuts, pecans, halves, raw	Foundation Food	0.61
17	Cheese, ricotta, whole milk	Foundation Food	0.565
18	Eggs, Grade A, Large, egg whole	Foundation Food	0.56
19	Figs, dried, uncooked	Foundation Food	0.556
20	Fish, pollock, raw	Foundation Food	0.5
21	Eggs, Grade A, Large, egg white	Foundation Food	0.494
22	Alaska Pollock, raw	Foundation Food	0.4557
23	Restaurant, Chinese, sweet and sour pork	Foundation Food	0.447
24	Mustard, prepared, yellow	Foundation Food	0.393
25	Milk, lowfat, fluid, 1% milkfat, with added vitamin A and vitamin D	Foundation Food	0.349

Lowest in Proline

For contrast — the 10 lowest non-zero values on record, per 100g.

#	Food or ingredient	Source	Per 100g (G)
51	Nectarines, raw	Foundation Food	0.009
52	Melons, cantaloupe, raw	Foundation Food	0.016
53	Pears, raw, bartlett (Includes foods for USDA's Food Distribution Program)	Foundation Food	0.017
54	Peaches, yellow, raw	Foundation Food	0.017
55	Pears, raw, bartlett	Foundation Food	0.017
56	Almond milk, unsweetened, plain, refrigerated	Foundation Food	0.031
57	Carrots, frozen, unprepared (Includes foods for USDA's Food Distribution Program)	Foundation Food	0.034
58	Carrots, frozen, unprepared	Foundation Food	0.034
59	Kiwifruit, green, raw	Foundation Food	0.04
60	Lettuce, cos or romaine, raw	Foundation Food	0.045

More on Proline

What Proline is, how it is measured, and where these values come from.

Proline nutrient reference →

Sourced from USDA FoodData Central — Foundation Foods; not yet through an editorial verification pass.

USDA release 2026-04-30. All values are per 100 g unless stated otherwise.