Rye Bread Nutrition Facts

FoodData Central Updated 30 March 2026

One slice of rye bread contains 165.8 calories, 5.4g protein, 30.9g carbs, and 2.1g fat. A dense, tangy loaf made with rye flour and often studded with caraway — the classic base for pastrami and open-faced sandwiches.

165.8

cal

30.9g

carbs

5.4g

protein

amino acids ↓

2.1g

fat

3.7g

fiber

2.5g

sugar

Vitamins in Rye Bread

Per 2 slices ~64g

Vitamin C
0.26mg
<1%
Vitamin E
0.21mg
1%
Vitamin K
0.77mcg
<1%
Vitamin B6
0.05mg
3%
Thiamin (B1)
0.28mg
23%
Niacin (B3)
2.44mg
15%
Folate
96.6mcg
24%

Minerals in Rye Bread

Per 2 slices ~64g

Calcium
46.7mg
4%
Iron
1.81mg
10%
Magnesium
25.6mg
6%
Phosphorus
80mg
6%
Potassium
106mg
2%
Sodium
386mg
17%
Zinc
0.73mg
7%
Selenium
19.8mcg
36%
Copper
0.12mg
13%
Manganese
0.53mg
23%

Amino Acids in Rye Bread

Protein breakdown per 2 slices (64g), from the USDA record for this food.

Incomplete protein

Limiting amino acid: Lysine — 61% of the FAO/WHO adult reference pattern per gram of protein.

Essential Amino Acids Per 2 slices (64g) Per 100g % of Protein
Histidine 116mg 182mg 2.1%
Isoleucine 204mg 319mg 3.8%
Leucine 371mg 579mg 6.8%
Lysine 149mg 233mg 2.7%
Methionine 89mg 139mg 1.6%
Phenylalanine 263mg 411mg 4.8%
Threonine 163mg 255mg 3%
Tryptophan 61mg 96mg 1.1%
Valine 243mg 379mg 4.5%
Other Amino Acids Per 2 slices (64g) Per 100g % of Protein
Alanine 191mg 299mg 3.5%
Arginine 208mg 325mg 3.8%
Aspartic Acid 283mg 442mg 5.2%
Cystine 111mg 173mg 2%
Glutamic Acid 1666mg 2603mg 30.6%
Glycine 193mg 302mg 3.6%
Proline 582mg 909mg 10.7%
Serine 267mg 417mg 4.9%
Tyrosine 136mg 213mg 2.5%

Protein quality is scored against the FAO/WHO/UNU 2007 adult indispensable amino acid reference pattern. The FDA publishes no Daily Values for individual amino acids, so the share of total protein is shown instead.

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Verified Nutrition Data

Trusted & Verified Nutritional Information

All nutritional data on Food Index is sourced from official U.S. government databases and verified by nutrition experts at leading federal agencies.

USDA Official Source
FDA Safety Standards
HHS Health Standards
NIH Research Verified

Laboratory Analyzed

Nutrient values from certified lab analysis

Peer Reviewed

Data reviewed by nutrition scientists

Regularly Updated

Synced with latest official database releases

Nutritional values are based on standard reference data and may vary slightly based on preparation methods, brands, and natural variation in foods. Always consult with a healthcare professional for personalized dietary advice.