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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 357
Soy protein 335

Protein (g)

Egg 84.1
Soy protein 88.3

Carbs (g)

Egg 4.51
Soy protein 0

Fat (g)

Egg 0.320
Soy protein 3.39

Fiber (g)

Egg 0
Soy protein 0

Quick answers

Which has more protein?

Soy protein isolate — 88.3g vs 84.1g per 100g.

Which has fewer calories?

Soy protein isolate — 335 vs 357 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 357 kcal 335 kcal
Macronutrients
Water 5.48 g 4.98 g
Protein 84.1 g 88.3 g
Total lipid (fat) 0.320 g 3.39 g
Carbohydrate, by difference 4.51 g 0 g
Fiber, total dietary 0 g 0 g
Fats & Fatty Acids
Fatty acids, total saturated 0.118 g 0.422 g
Fatty acids, total monounsaturated 0.125 g 0.645 g
Fatty acids, total trans 0 g 0 g
Cholesterol 0 mg 0 mg
Vitamins
Vitamin C, total ascorbic acid 0 mg 0 mg
Thiamin (Vitamin B1) 0 mg 0.176 mg
Riboflavin (Vitamin B2) 3.71 mg 0.100 mg
Niacin (Vitamin B3) 0.773 mg 1.44 mg
Pantothenic acid (Vitamin B5) 0.670 mg 0.060 mg
Vitamin B-6 — Pyridoxine 0.032 mg 0.100 mg
Biotin (Vitamin B7) 0 ug 176 ug
Folate, total (Vitamin B9) 0 ug 0 ug
Choline, total 10.7 mg 191 mg
Vitamin B-12 — Cobalamin 0.200 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 101 mg 178 mg
Iron, Fe 0.180 mg 14.5 mg
Magnesium, Mg 82.0 mg 39.0 mg
Phosphorus, P 104 mg 776 mg
Potassium, K 884 mg 81.0 mg
Sodium, Na 1299 mg 1005 mg
Zinc, Zn 0.130 mg 4.03 mg
Copper, Cu 0.128 mg 1.60 mg
Manganese, Mn 0 mg 1.49 mg
Selenium, Se 192 ug 0.800 ug
Other Nutrients
Energy 1495 kj 1401 kj
Ash 5.61 g 3.58 g
Total Sugars 0 g 0 g
Sucrose 0 g —
Glucose 0 g —
Fructose 0 g —
Lactose 0 g —
Maltose 0 g —
Galactose 0 g —
Folic acid (Vitamin B9 — synthetic) 0 ug 176 ug
Folate, DFE (Vitamin B9 — dietary folate equivalents) 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 20.0 ug 0 ug
Vitamin E, added 0 mg 0 mg
Vitamin D (D2 + D3 — total) 0 IU 0 IU
Vitamin D3 — Cholecalciferol (animal / sunlight source) 0 ug —
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 15:0 (Pentadecanoic acid) 0 g —
SFA 16:0 (Palmitic acid) 0.082 g 0.310 g
SFA 17:0 (Margaric acid) 0 g —
SFA 18:0 (Stearic acid) 0.036 g 0.104 g
SFA 20:0 (Arachidic acid) 0 g —
SFA 22:0 (Behenic acid) 0 g —
SFA 24:0 (Lignoceric acid) 0 g —
MUFA 14:1 (Myristoleic acid) 0 g —
MUFA 15:1 (Pentadecenoic acid) 0 g —
MUFA 16:1 (Omega-7, Palmitoleic acid) 0 g 0.008 g
MUFA 17:1 (Heptadecenoic acid) 0 g —
MUFA 18:1 (Omega-9, Oleic acid family) 0.125 g 0.637 g
MUFA 18:1 c (Omega-9, Oleic acid — cis) 0.125 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 0.045 g 1.65 g
PUFA 18:2 (Omega-6, Linoleic acid) 0.045 g 1.45 g
PUFA 18:2 n-6 (Omega-6, LA — Linoleic acid) 0.045 g —
PUFA 18:3 (Omega-3, Alpha-linolenic family) 0 g 0.195 g
PUFA 18:3 n-3 (Omega-3, ALA — Alpha-linolenic acid) 0 g —
PUFA 18:3 n-6 (Omega-6, GLA — Gamma-linolenic acid) 0 g —
PUFA 18:3i 0 g —
PUFA 18:4 n-3 (Omega-3, SDA — Stearidonic acid) 0 g 0 g
PUFA 20:2 n-6 (Omega-6, Eicosadienoic acid) 0 g —
PUFA 20:3 (DGLA family — Dihomo-gamma-linolenic acid) 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
Fatty acids, total trans-monoenoic 0 g —
TFA 18:1 t 0 g —
TFA 18:2 t,t 0 g —
Fatty acids, total trans-polyenoic 0 g —
Tryptophan (EAA) 1.43 g 1.12 g
Threonine (EAA) 3.63 g 3.14 g
Isoleucine (EAA, BCAA) 4.41 g 4.25 g
Leucine (EAA, BCAA) 7.36 g 6.78 g
Lysine (EAA) 5.90 g 5.33 g
Methionine (EAA) 2.99 g 1.13 g
Cystine (conditionally essential) 2.21 g 1.05 g
Phenylalanine (EAA) 5.13 g 4.59 g
Tyrosine (conditionally essential) 3.41 g 3.22 g
Valine (EAA, BCAA) 5.72 g 4.10 g
Arginine (conditionally essential) 4.89 g 6.67 g
Histidine (EAA) 2.05 g 2.30 g
Alanine 5.13 g 3.59 g
Aspartic acid 9.14 g 10.2 g
Glutamic acid 11.7 g 17.5 g
Glycine (conditionally essential) 3.05 g 3.60 g
Proline (conditionally essential) 3.24 g 4.96 g
Serine 6.16 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
Iodine
Iodine mcg/100gB 34.0 mcg —
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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