Low-FODMAP Protein Guide

18 items classified under standard Low-FODMAP guidelines.

This guide covers all 18 protein classified under Low-FODMAP guidelines. Low-FODMAP evaluates foods primarily by fermentable carbohydrate content (FODMAPs), which determines how each item in this category is classified.

Quick Reference

Food Status Calories (per 100g)
Collagen Peptides Allowed 360kcal
Eggs Allowed 334kcal
Gelatin Allowed 381kcal
Protein Powder Allowed 388kcal
Tempeh Allowed 192kcal
Tofu Allowed 94kcal
Veggie Burger Allowed 224kcal
Whey Protein Allowed 339kcal
Greek Yogurt Limited 105kcal
Pea Protein Limited 180kcal
Protein Bars Limited 335kcal
Protein Shakes Limited 119kcal
Soy Protein Limited 335kcal
Black Beans Not Allowed 181kcal
Chickpea Flour Not Allowed 387kcal
Edamame Not Allowed 121kcal
Kidney Beans Not Allowed 177kcal
Lentil Pasta Not Allowed 111kcal

Classification Breakdown

8 Allowed — These protein are low enough in fermentable carbohydrates to fit a Monash low-FODMAP serving. 5 Limited — These items have tolerated in small portions but high-FODMAP at larger ones. 5 Not Allowed — These are high in one or more FODMAP subgroups.

Low-FODMAP is a temporary diagnostic protocol — almost no food is universally banned, thresholds are dose-dependent.

Allowed Protein (8)

Collagen Peptides

Allowed

Collagen Peptides is classified as Allowed on Low-FODMAP, with 360kcal calories per 100g. The classification reflects that it is low enough in fermentable carbohydrates to fit a Monash low-FODMAP serving. Nutritionally, it also delivers 90g protein and 300mg sodium per serving. It ranks among the highest in this category for calories. The nearest lower option is Whey Protein at 339kcal.

Per 100g · Source: USDA FoodData Central

360kcalCalories
90gProtein
0gFat
0gCarbs
0gFiber

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Eggs

Allowed

Eggs is classified as Allowed on Low-FODMAP, with 334kcal calories per 100g. This means it is low enough in fermentable carbohydrates to fit a Monash low-FODMAP serving. It also contains 16.2g protein and 28.8g fat, which may factor into overall meal planning. Within this category, it falls between Veggie Burger and Protein Bars for calories, ranking 11 of 18.

Per 100g · Source: USDA FoodData Central

VariantCaloriesProteinFatCarbsFiber
Whole Egg (raw)143kcal12.6g9.5g0.7g0g
Egg White (raw)52kcal10.9g0.2g0.7g0g
Egg Yolk (raw)322kcal15.9g26.5g3.6g0g

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Gelatin

Allowed

With 381kcal calories per 100g, Gelatin earns a Allowed classification on Low-FODMAP. It is low enough in fermentable carbohydrates to fit a Monash low-FODMAP serving. Beyond the primary classification, gelatin also provides 7.8g protein and 466mg sodium per 100g. It ranks among the highest in this category for calories. The nearest lower option is Collagen Peptides at 360kcal.

Per 100g · Source: USDA FoodData Central

381kcalCalories
7.8gProtein
0gFat
90.5gCarbs
0gFiber

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Protein Powder

Allowed

Protein Powder is classified as Allowed on Low-FODMAP, with 388kcal calories per 100g. The classification reflects that it is low enough in fermentable carbohydrates to fit a Monash low-FODMAP serving. Nutritionally, it also delivers 55.6g protein and 5.6g fat per serving. It ranks among the highest in this category for calories. The nearest lower option is Chickpea Flour at 387kcal.

Per 100g · Source: USDA FoodData Central

388kcalCalories
55.6gProtein
5.6gFat
28.9gCarbs
6.7gFiber

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Tempeh

Allowed

Tempeh is classified as Allowed on Low-FODMAP, with 192kcal calories per 100g. The classification reflects that it is low enough in fermentable carbohydrates to fit a Monash low-FODMAP serving. Nutritionally, it also delivers 20.3g protein and 10.8g fat per serving. Within this category, it falls between Black Beans and Veggie Burger for calories, ranking 9 of 18.

Per 100g · Source: USDA FoodData Central

VariantCaloriesProteinFatCarbsFiber
Plain192kcal20.3g10.8g7.6g
Cooked195kcal19.9g11.4g7.6g

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Tofu

Allowed

With 94kcal calories per 100g, Tofu earns a Allowed classification on Low-FODMAP. This means it is low enough in fermentable carbohydrates to fit a Monash low-FODMAP serving. Among the 18 items in this category, tofu sits at the low end for calories — next closest is Greek Yogurt at 105kcal.

Per 100g · Source: USDA FoodData Central

VariantCaloriesProteinFatCarbsFiber
Firm144kcal17.3g8.7g2.8g2.3g
Soft/Silken270kcal18.8g20.2g8.9g3.9g

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Veggie Burger

Allowed

Veggie Burger is classified as Allowed on Low-FODMAP, with 224kcal calories per 100g. This means it is low enough in fermentable carbohydrates to fit a Monash low-FODMAP serving. It also contains 13g protein and 5.2g fat, which may factor into overall meal planning. Within this category, it falls between Tempeh and Eggs for calories, ranking 10 of 18.

Per 100g · Source: USDA FoodData Central

224kcalCalories
13gProtein
5.2gFat
30.8gCarbs
3.5gFiber

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Whey Protein

Allowed

Whey Protein is classified as Allowed on Low-FODMAP, with 339kcal calories per 100g. This means it is low enough in fermentable carbohydrates to fit a Monash low-FODMAP serving. It also contains 11.7g protein and 968mg sodium, which may factor into overall meal planning. It ranks among the highest in this category for calories. The nearest lower option is Soy Protein at 335kcal.

Per 100g · Source: USDA FoodData Central

339kcalCalories
11.7gProtein
0.5gFat
73.4gCarbs
0gFiber

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Limited Protein (5)

Greek Yogurt

Limited

Greek Yogurt is classified as Limited on Low-FODMAP, with 105kcal calories per 100g. The classification reflects that it is tolerated in small portions but high-FODMAP at larger ones. Nutritionally, it also delivers 8.2g protein per serving. Among the 18 items in this category, greek yogurt sits at the low end for calories — next closest is Lentil Pasta at 111kcal. The "Limited" label means the classification depends on specific conditions — portion size, brand formulation, or preparation method can shift it from compliant to non-compliant.

Per 100g · Source: USDA FoodData Central

VariantCaloriesProteinFatCarbsFiber
Plain (whole milk)97kcal9g5g4g0g
Plain (nonfat)61kcal10.3g0.4g3.6g

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Pea Protein

Limited

Pea Protein is classified as Limited on Low-FODMAP, with 180kcal calories per 100g. The classification reflects that it is tolerated in small portions but high-FODMAP at larger ones. Nutritionally, it also delivers 14g fat and 2.7g fiber per serving. Within this category, it falls between Kidney Beans and Black Beans for calories, ranking 7 of 18. Portion control is key here — a small amount may fit within the diet's parameters, while a full serving may not.

Per 100g · Source: USDA FoodData Central

180kcalCalories
3gProtein
14gFat
10.6gCarbs
2.7gFiber

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Protein Bars

Limited

Protein Bars is classified as Limited on Low-FODMAP, with 335kcal calories per 100g. The classification reflects that it is tolerated in small portions but high-FODMAP at larger ones. Nutritionally, it also delivers 88.3g protein and 1000mg sodium per serving. Within this category, it falls between Eggs and Soy Protein for calories, ranking 12 of 18. Portion control is key here — a small amount may fit within the diet's parameters, while a full serving may not.

Per 100g · Source: USDA FoodData Central

335kcalCalories
88.3gProtein
3.4gFat
0gCarbs
0gFiber

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Protein Shakes

Limited

Protein Shakes is classified as Limited on Low-FODMAP, with 119kcal calories per 100g. This means it is tolerated in small portions but high-FODMAP at larger ones. Among the 18 items in this category, protein shakes sits at the low end for calories — next closest is Edamame at 121kcal. Check the label carefully: the same product can be compliant or not depending on the specific brand or how it was prepared.

Per 100g · Source: USDA FoodData Central

119kcalCalories
3.1gProtein
2.7gFat
21.2gCarbs
0.3gFiber

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Soy Protein

Limited

Soy Protein is classified as Limited on Low-FODMAP, with 335kcal calories per 100g. The classification reflects that it is tolerated in small portions but high-FODMAP at larger ones. Nutritionally, it also delivers 88.3g protein and 1000mg sodium per serving. Within this category, it falls between Protein Bars and Whey Protein for calories, ranking 13 of 18. Portion control is key here — a small amount may fit within the diet's parameters, while a full serving may not.

Per 100g · Source: USDA FoodData Central

335kcalCalories
88.3gProtein
3.4gFat
0gCarbs
0gFiber

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Not Allowed Protein (5)

Black Beans

Not Allowed

At 181kcal calories per 100g, Black Beans falls into the Not Allowed category under Low-FODMAP guidelines. It is high in one or more FODMAP subgroups. Beyond the primary classification, black beans also provides 8.2g protein and 7g fat per 100g. Within this category, it falls between Pea Protein and Tempeh for calories, ranking 8 of 18.

Per 100g · Source: USDA FoodData Central

VariantCaloriesProteinFatCarbsFiber
Dry341kcal21.6g1.4g62.4g15.5g
Cooked (boiled)132kcal8.9g0.5g23.7g8.7g
Canned91kcal4.8g1.3g15.4g6.8g

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Chickpea Flour

Not Allowed

With 387kcal calories per 100g, Chickpea Flour earns a Not Allowed classification on Low-FODMAP. This means it is high in one or more FODMAP subgroups. It also contains 22.4g protein and 6.7g fat, which may factor into overall meal planning. It ranks among the highest in this category for calories. The nearest lower option is Gelatin at 381kcal.

Per 100g · Source: USDA FoodData Central

387kcalCalories
22.4gProtein
6.7gFat
57.8gCarbs
10.8gFiber

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Edamame

Not Allowed

At 121kcal calories per 100g, Edamame falls into the Not Allowed category under Low-FODMAP guidelines. It is high in one or more FODMAP subgroups. Beyond the primary classification, edamame also provides 11.9g protein and 5.2g fat per 100g. Within this category, it falls between Protein Shakes and Kidney Beans for calories, ranking 5 of 18.

Per 100g · Source: USDA FoodData Central

121kcalCalories
11.9gProtein
5.2gFat
8.9gCarbs
5.2gFiber

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Kidney Beans

Not Allowed

At 177kcal calories per 100g, Kidney Beans falls into the Not Allowed category under Low-FODMAP guidelines. The classification reflects that it is high in one or more FODMAP subgroups. Nutritionally, it also delivers 8.1g protein and 7g fat per serving. Within this category, it falls between Edamame and Pea Protein for calories, ranking 6 of 18.

Per 100g · Source: USDA FoodData Central

VariantCaloriesProteinFatCarbsFiber
Dry337kcal22.5g1.1g61.3g15.2g
Cooked (boiled)127kcal8.7g0.5g22.8g7.4g

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Lentil Pasta

Not Allowed

Lentil Pasta is classified as Not Allowed on Low-FODMAP, with 111kcal calories per 100g. The classification reflects that it is high in one or more FODMAP subgroups. Nutritionally, it also delivers 5.7g fat and 3.4g fiber per serving. Among the 18 items in this category, lentil pasta sits at the low end for calories — next closest is Protein Shakes at 119kcal.

Per 100g · Source: USDA FoodData Central

111kcalCalories
3.7gProtein
5.7gFat
12.3gCarbs
3.4gFiber

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