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Egg vs Soy protein isolate

Nutrition comparison per 100g · USDA SR Legacy & USDA SR Legacy

Soy protein isolate is higher in more vitamins & minerals

Calories (kcal)

Egg 351
Soy protein 335

Protein (g)

Egg 76.9
Soy protein 88.3

Carbs (g)

Egg 4.17
Soy protein 0

Fat (g)

Egg 0.040
Soy protein 3.39

Fiber (g)

Egg 0
Soy protein 0

Quick answers

Which has more protein?

Soy protein isolate — 88.3g vs 76.9g per 100g.

Which has fewer calories?

Soy protein isolate — 335 vs 351 kcal per 100g.

Which is more nutrient-dense?

Soy protein isolate scores higher in more vitamins and minerals per 100g, though both foods can be part of a healthy diet.

Full Nutrition Comparison

All values per 100g edible portion. Green = Food A higher · Blue = Food B higher

Nutrient Egg Soy protein isolate
Energy
Energy 351 kcal 335 kcal
Macronutrients
Water 14.6 g 4.98 g
Protein 76.9 g 88.3 g
Total lipid (fat) 0.040 g 3.39 g
Carbohydrate, by difference 4.17 g 0 g
Fiber, total dietary 0 g 0 g
Fats & Fatty Acids
Fatty acids, total saturated 0 g 0.422 g
Fatty acids, total monounsaturated 0 g 0.645 g
Fatty acids, total trans — 0 g
Cholesterol 0 mg 0 mg
Vitamins
Vitamin C, total ascorbic acid 0 mg 0 mg
Thiamin (Vitamin B1) 0.035 mg 0.176 mg
Riboflavin (Vitamin B2) 2.16 mg 0.100 mg
Niacin (Vitamin B3) 0.675 mg 1.44 mg
Pantothenic acid (Vitamin B5) 1.83 mg 0.060 mg
Vitamin B-6 — Pyridoxine 0.023 mg 0.100 mg
Biotin (Vitamin B7) 89.0 ug 176 ug
Folate, total (Vitamin B9) 0 ug 0 ug
Choline, total 8.40 mg 191 mg
Vitamin B-12 — Cobalamin 0.490 ug 0 ug
Vitamin A, RAE 0 ug 0 ug
Carotene, beta 0 ug 0 ug
Carotene, alpha 0 ug 0 ug
Vitamin E (alpha-tocopherol) 0 mg 0 mg
Vitamin D (D2 + D3) 0 ug 0 ug
Minerals
Calcium, Ca 83.0 mg 178 mg
Iron, Fe 0.230 mg 14.5 mg
Magnesium, Mg 67.0 mg 39.0 mg
Phosphorus, P 83.0 mg 776 mg
Potassium, K 1042 mg 81.0 mg
Sodium, Na 1156 mg 1005 mg
Zinc, Zn 0.150 mg 4.03 mg
Copper, Cu 0.230 mg 1.60 mg
Manganese, Mn 0.070 mg 1.49 mg
Selenium, Se 117 ug 0.800 ug
Other Nutrients
Energy 1469 kj 1401 kj
Ash 4.25 g 3.58 g
Total Sugars 0 g 0 g
Folic acid (Vitamin B9 — synthetic) 89.0 ug 176 ug
Folate, DFE (Vitamin B9 — dietary folate equivalents) 89.0 ug 176 ug
Vitamin B-12, added 0 ug 0 ug
Retinol 0 ug 0 ug
Beta-carotene (Provitamin A) 0 ug 0 ug
Vitamin A, IU 0 IU 0 IU
Beta-cryptoxanthin (Provitamin A) 0 ug 0 ug
Lycopene 0 ug 0 ug
Vitamin E, added 0 mg 0 mg
Vitamin D (D2 + D3 — total) 0 IU 0 IU
Vitamin K1 — Phylloquinone 0 ug 0 ug
SFA 4:0 (Butyric acid) 0 g 0 g
SFA 6:0 (Caproic acid) 0 g 0 g
SFA 8:0 (Caprylic acid) 0 g 0 g
SFA 10:0 (Capric acid) 0 g 0 g
SFA 12:0 (Lauric acid) 0 g 0 g
SFA 14:0 (Myristic acid) 0 g 0.008 g
SFA 16:0 (Palmitic acid) 0 g 0.310 g
SFA 18:0 (Stearic acid) 0 g 0.104 g
MUFA 16:1 (Omega-7, Palmitoleic acid) 0 g 0.008 g
MUFA 18:1 (Omega-9, Oleic acid family) 0 g 0.637 g
MUFA 20:1 (Omega-9, Gondoic / Gadoleic acid) 0 g 0 g
MUFA 22:1 (Omega-9, Erucic acid family) 0 g 0 g
Fatty acids, total polyunsaturated 0 g 1.65 g
PUFA 18:2 (Omega-6, Linoleic acid) 0 g 1.45 g
PUFA 18:3 (Omega-3, Alpha-linolenic family) 0 g 0.195 g
PUFA 18:4 n-3 (Omega-3, SDA — Stearidonic acid) 0 g 0 g
PUFA 20:4 (Omega-6, Arachidonic acid family) 0 g 0 g
PUFA 20:5 n-3 (Omega-3, EPA — Eicosapentaenoic acid) 0 g 0 g
PUFA 22:5 n-3 (Omega-3, DPA — Docosapentaenoic acid) 0 g 0 g
PUFA 22:6 n-3 (Omega-3, DHA — Docosahexaenoic acid) 0 g 0 g
Tryptophan (EAA) 1.18 g 1.12 g
Threonine (EAA) 3.42 g 3.14 g
Isoleucine (EAA, BCAA) 4.69 g 4.25 g
Leucine (EAA, BCAA) 6.70 g 6.78 g
Lysine (EAA) 4.74 g 5.33 g
Methionine (EAA) 2.99 g 1.13 g
Cystine (conditionally essential) 1.91 g 1.05 g
Phenylalanine (EAA) 4.84 g 4.59 g
Tyrosine (conditionally essential) 3.09 g 3.22 g
Valine (EAA, BCAA) 5.76 g 4.10 g
Arginine (conditionally essential) 4.49 g 6.67 g
Histidine (EAA) 1.75 g 2.30 g
Alanine 4.96 g 3.59 g
Aspartic acid 6.81 g 10.2 g
Glutamic acid 10.7 g 17.5 g
Glycine (conditionally essential) 2.88 g 3.60 g
Proline (conditionally essential) 2.89 g 4.96 g
Serine 5.67 g 4.59 g
Alcohol, ethyl 0 g 0 g
Caffeine 0 mg 0 mg
Theobromine 0 mg 0 mg
Daidzein — 30.8 mg
Genistein — 57.3 mg
Isoflavones
Total isoflavones — 91.1 mg

* All values per 100g edible portion. Source: USDA SR Legacy and USDA SR Legacy. Diff column shows percentage difference relative to Food B.

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