Kidney-Friendly Protein Guide

18 items classified under standard Kidney-Friendly guidelines.

This guide covers all 18 protein classified under Kidney-Friendly guidelines. Kidney-Friendly evaluates foods primarily by sodium, potassium, phosphorus, and protein load, which determines how each item in this category is classified.

Quick Reference

Food Status Potassium (per 100g)
Eggs Allowed
Black Beans Limited 330mg
Chickpea Flour Limited 846mg
Collagen Peptides Limited 30mg
Edamame Limited 436mg
Gelatin Limited 7mg
Greek Yogurt Limited 129mg
Kidney Beans Limited 375mg
Lentil Pasta Limited 292mg
Pea Protein Limited 119mg
Protein Bars Limited 81mg
Protein Powder Limited 933mg
Protein Shakes Limited 224mg
Soy Protein Limited 81mg
Tempeh Limited 412mg
Tofu Limited 47mg
Veggie Burger Limited 236mg
Whey Protein Limited 2290mg

Classification Breakdown

1 Allowed — These protein are low enough in sodium, potassium, phosphorus, and protein for a kidney-restricted pattern. 17 Limited — These items have usable in small portions or specific preparations.

Many otherwise-healthy foods become contraindicated — bananas, oranges, tomatoes, beans, and whole grains carry loads the failing kidney cannot clear.

Allowed Protein (1)

Eggs

Allowed

Eggs is classified as Allowed on Kidney-Friendly. This classification reflects that it is low enough in sodium, potassium, phosphorus, and protein for a kidney-restricted pattern.

Per 100g · Source: USDA FoodData Central

VariantCaloriesProteinFatCarbsSodiumK+Phos.
Whole Egg (raw)143kcal12.6g9.5g0.7g142mg138mg198mg
Egg White (raw)52kcal10.9g0.2g0.7g166mg163mg15mg
Egg Yolk (raw)322kcal15.9g26.5g3.6g48mg109mg390mg

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Limited Protein (17)

Black Beans

Limited

Black Beans is classified as Limited on Kidney-Friendly, with 330mg potassium per 100g. This means it is usable in small portions or specific preparations. It also contains 8.2g protein and 7g fat, which may factor into overall meal planning. Within this category, it falls between Lentil Pasta and Kidney Beans for potassium, ranking 11 of 17. 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

VariantCaloriesProteinFatCarbsSodiumK+Phos.
Dry341kcal21.6g1.4g62.4g5mg1480mg352mg
Cooked (boiled)132kcal8.9g0.5g23.7g237mg355mg140mg
Canned91kcal4.8g1.3g15.4g970mg250mg75mg

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Chickpea Flour

Limited

Chickpea Flour is classified as Limited on Kidney-Friendly, with 846mg potassium per 100g. This means it is usable in small portions or specific preparations. 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 potassium. The nearest lower option is Edamame at 436mg. 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

387kcalCalories
22.4gProtein
6.7gFat
57.8gCarbs
64mgSodium
846mgK+
318mgPhos.

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Collagen Peptides

Limited

With 30mg potassium per 100g, Collagen Peptides earns a Limited classification on Kidney-Friendly. This means it is usable in small portions or specific preparations. It also contains 90g protein and 300mg sodium, which may factor into overall meal planning. Among the 17 items in this category, collagen peptides sits at the low end for potassium — next closest is Tofu at 47mg. 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

360kcalCalories
90gProtein
0gFat
0gCarbs
300mgSodium
30mgK+
10mgPhos.

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Edamame

Limited

Edamame is classified as Limited on Kidney-Friendly, with 436mg potassium per 100g. The classification reflects that it is usable in small portions or specific preparations. Nutritionally, it also delivers 11.9g protein and 5.2g fat per serving. It ranks among the highest in this category for potassium. The nearest lower option is Tempeh at 412mg. 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

121kcalCalories
11.9gProtein
5.2gFat
8.9gCarbs
6mgSodium
436mgK+
169mgPhos.

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Gelatin

Limited

With 7mg potassium per 100g, Gelatin earns a Limited classification on Kidney-Friendly. It is usable in small portions or specific preparations. Beyond the primary classification, gelatin also provides 7.8g protein and 466mg sodium per 100g. Among the 17 items in this category, gelatin sits at the low end for potassium — next closest is Collagen Peptides at 30mg. 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

381kcalCalories
7.8gProtein
0gFat
90.5gCarbs
466mgSodium
7mgK+
141mgPhos.

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Greek Yogurt

Limited

Greek Yogurt is classified as Limited on Kidney-Friendly, with 129mg potassium per 100g. This means it is usable in small portions or specific preparations. It also contains 8.2g protein, which may factor into overall meal planning. Within this category, it falls between Pea Protein and Protein Shakes for potassium, ranking 7 of 17. 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

VariantCaloriesProteinFatCarbsSodiumK+Phos.
Plain (whole milk)97kcal9g5g4g47mg141mg135mg
Plain (nonfat)61kcal10.3g0.4g3.6g36mg141mg136mg

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Kidney Beans

Limited

With 375mg potassium per 100g, Kidney Beans earns a Limited classification on Kidney-Friendly. It is usable in small portions or specific preparations. Beyond the primary classification, kidney beans also provides 8.1g protein and 7g fat per 100g. Within this category, it falls between Black Beans and Tempeh for potassium, ranking 12 of 17. 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

VariantCaloriesProteinFatCarbsSodiumK+Phos.
Dry337kcal22.5g1.1g61.3g12mg1360mg406mg
Cooked (boiled)127kcal8.7g0.5g22.8g238mg403mg142mg

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Lentil Pasta

Limited

At 292mg potassium per 100g, Lentil Pasta falls into the Limited category under Kidney-Friendly guidelines. It is usable in small portions or specific preparations. Beyond the primary classification, lentil pasta also provides 5.7g fat and 3.4g fiber per 100g. Within this category, it falls between Veggie Burger and Black Beans for potassium, ranking 10 of 17. 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

111kcalCalories
3.7gProtein
5.7gFat
12.3gCarbs
383mgSodium
292mgK+
78mgPhos.

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Pea Protein

Limited

At 119mg potassium per 100g, Pea Protein falls into the Limited category under Kidney-Friendly guidelines. It is usable in small portions or specific preparations. Beyond the primary classification, pea protein also provides 14g fat and 2.7g fiber per 100g. Within this category, it falls between Soy Protein and Greek Yogurt for potassium, ranking 6 of 17. 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

180kcalCalories
3gProtein
14gFat
10.6gCarbs
253mgSodium
119mgK+
50mgPhos.

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Protein Bars

Limited

With 81mg potassium per 100g, Protein Bars earns a Limited classification on Kidney-Friendly. It is usable in small portions or specific preparations. Beyond the primary classification, protein bars also provides 88.3g protein and 1000mg sodium per 100g. Among the 17 items in this category, protein bars sits at the low end for potassium — next closest is Soy Protein at 81mg. 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

335kcalCalories
88.3gProtein
3.4gFat
0gCarbs
1000mgSodium
81mgK+
776mgPhos.

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Protein Powder

Limited

With 933mg potassium per 100g, Protein Powder earns a Limited classification on Kidney-Friendly. It is usable in small portions or specific preparations. Beyond the primary classification, protein powder also provides 55.6g protein and 5.6g fat per 100g. It ranks among the highest in this category for potassium. The nearest lower option is Chickpea Flour at 846mg. 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

388kcalCalories
55.6gProtein
5.6gFat
28.9gCarbs
733mgSodium
933mgK+
1270mgPhos.

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Protein Shakes

Limited

With 224mg potassium per 100g, Protein Shakes earns a Limited classification on Kidney-Friendly. This means it is usable in small portions or specific preparations. Within this category, it falls between Greek Yogurt and Veggie Burger for potassium, ranking 8 of 17. 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
111mgSodium
224mgK+
126mgPhos.

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Soy Protein

Limited

Soy Protein is classified as Limited on Kidney-Friendly, with 81mg potassium per 100g. This means it is usable in small portions or specific preparations. It also contains 88.3g protein and 1000mg sodium, which may factor into overall meal planning. Within this category, it falls between Protein Bars and Pea Protein for potassium, ranking 5 of 17. 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

335kcalCalories
88.3gProtein
3.4gFat
0gCarbs
1000mgSodium
81mgK+
776mgPhos.

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Tempeh

Limited

With 412mg potassium per 100g, Tempeh earns a Limited classification on Kidney-Friendly. This means it is usable in small portions or specific preparations. It also contains 20.3g protein and 10.8g fat, which may factor into overall meal planning. It ranks among the highest in this category for potassium. The nearest lower option is Kidney Beans at 375mg. 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

VariantCaloriesProteinFatCarbsSodiumK+Phos.
Plain192kcal20.3g10.8g7.6g9mg412mg266mg
Cooked195kcal19.9g11.4g7.6g14mg401mg253mg

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Tofu

Limited

Tofu is classified as Limited on Kidney-Friendly, with 47mg potassium per 100g. This means it is usable in small portions or specific preparations. Among the 17 items in this category, tofu sits at the low end for potassium — next closest is Protein Bars at 81mg. 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

VariantCaloriesProteinFatCarbsSodiumK+Phos.
Firm144kcal17.3g8.7g2.8g14mg237mg190mg
Soft/Silken270kcal18.8g20.2g8.9g16mg146mg287mg

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Veggie Burger

Limited

Veggie Burger is classified as Limited on Kidney-Friendly, with 236mg potassium per 100g. This means it is usable in small portions or specific preparations. It also contains 13g protein and 5.2g fat, which may factor into overall meal planning. Within this category, it falls between Protein Shakes and Lentil Pasta for potassium, ranking 9 of 17. 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

224kcalCalories
13gProtein
5.2gFat
30.8gCarbs
534mgSodium
236mgK+
158mgPhos.

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Whey Protein

Limited

At 2290mg potassium per 100g, Whey Protein falls into the Limited category under Kidney-Friendly guidelines. The classification reflects that it is usable in small portions or specific preparations. Nutritionally, it also delivers 11.7g protein and 968mg sodium per serving. It ranks among the highest in this category for potassium. The nearest lower option is Protein Powder at 933mg. 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

339kcalCalories
11.7gProtein
0.5gFat
73.4gCarbs
968mgSodium
2290mgK+
1350mgPhos.

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