The nutrient fact, below, is based on 100 gram of yardlong bean.
Vitamins
Vitamin C, total ascorbic acid mg 18.8
Thiamin mg 0.107
Riboflavin mg 0.11
Niacin mg 0.41
Vitamin B-6 mg 0.024
Folate, DFE µg 62
Vitamin B-12 µg 0
Vitamin A, RAE µg 43
Vitamin A, IU IU 865
Vitamin D (D2 + D3) µg 0
Vitamin D IU 0
Lipids
Fatty acids, total saturated g 0.105
Fatty acids, total monounsaturated g 0.036
Fatty acids, total polyunsaturated g 0.169
Fatty acids, total trans g 0
Proximates
Water g 87.85
Energy kcal 47
Protein g 2.8
Total lipid (fat) g 0.4
Carbohydrate, by difference g 8.35
Minerals
Calcium, Ca mg 50
Iron, Fe mg 0.47
Magnesium, Mg mg 44
Phosphorus, P mg 59
Potassium, K mg 240
Sodium, Na mg 4
Zinc, Zn mg 0.37