Saltine Cracker Nutrition Facts

FoodData Central Updated 30 March 2026

Saltine Cracker contains 12.5 calories, 0.3g protein, 2.2g carbs, and 0.3g fat. Saltine Cracker is a grain-based food that is calorie-dense. It is a good source of iron.

12.5

cal

2.2g

carbs

0.3g

protein

amino acids ↓

0.3g

fat

0.1g

fiber

0g

sugar

Vitamins in Saltine Cracker

Per Cracker square ~3g

Vitamin A
0.03mcg
<1%
Vitamin E
0.03mg
<1%
Vitamin K
0.76mcg
<1%
Vitamin B6
2.7mcg
<1%
Vitamin B12
<0.01mcg
<1%
Thiamin (B1)
0.02mg
2%
Niacin (B3)
0.19mg
1%
Folate
4.02mcg
1%

Minerals in Saltine Cracker

Per Cracker square ~3g

Calcium
0.57mg
<1%
Iron
0.17mg
<1%
Magnesium
0.69mg
<1%
Phosphorus
3.06mg
<1%
Potassium
4.56mg
<1%
Sodium
28.2mg
1%
Zinc
0.02mg
<1%
Selenium
0.31mcg
<1%
Copper
4.2mcg
<1%
Manganese
0.02mg
<1%

Amino Acids in Saltine Cracker

Protein breakdown per cracker square (3g), from the USDA record for this food.

Incomplete protein

Limiting amino acid: Lysine — 40% of the FAO/WHO adult reference pattern per gram of protein.

Essential Amino Acids Per cracker square (3g) Per 100g % of Protein
Histidine 6mg 197mg 2.1%
Isoleucine 10mg 333mg 3.5%
Leucine 20mg 652mg 6.9%
Lysine 5mg 172mg 1.8%
Methionine 4mg 147mg 1.6%
Phenylalanine 14mg 450mg 4.8%
Threonine 8mg 268mg 2.8%
Tryptophan 3mg 116mg 1.2%
Valine 12mg 399mg 4.2%
Other Amino Acids Per cracker square (3g) Per 100g % of Protein
Alanine 10mg 318mg 3.4%
Arginine 10mg 349mg 3.7%
Aspartic Acid 12mg 415mg 4.4%
Cystine 7mg 232mg 2.5%
Glutamic Acid 95mg 3158mg 33.4%
Glycine 10mg 344mg 3.6%
Proline 31mg 1046mg 11.1%
Serine 13mg 445mg 4.7%
Tyrosine 5mg 182mg 1.9%

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.

Learn More About Saltine Cracker

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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.