Dry Black Beans — USDA FoodData Central nutrition facts (per 100g)

| Nutrient | Amount per 100g |
| --- | --- |
| Boron, B | 1250 µg |
| Calcium, Ca | 191 mg |
| Cobalt, Co | 43.8 µg |
| Copper, Cu | 1.12 mg |
| Fiber, total dietary | 4.2 g |
| Iron, Fe | 5.34 mg |
| Magnesium, Mg | 180 mg |
| Manganese, Mn | 2.08 mg |
| Molybdenum, Mo | 920 µg |
| Nickel, Ni | 193 µg |
| Phosphorus, P | 522 mg |
| Potassium, K | 1540 mg |
| Protein | 24.4 g |
| Starch | 36.6 g |
| Sulfur, S | 244 mg |
| Total lipid (fat) | 1.45 g |
| Water | 0 g |
| Zinc, Zn | 3.37 mg |

Values are raw as published by USDA at the 100g basis — not rounded per 21 CFR 101.9(c) label-declaration rules, and 100g is USDA's publication basis, not a serving size any US nutrition label declares against.

Source: USDA FoodData Central, FDC ID 747444, usda_ff (released 2026-04-30). https://bettermenu.live/tools/ingredient-search/us/foods/dry-black-beans-747444/