Flaxseed, Ground — USDA FoodData Central nutrition facts (per 100g)

| Nutrient | Amount per 100g |
| --- | --- |
| Alanine | 1.08 g |
| Arginine | 2.21 g |
| Ash | 3.52 g |
| Aspartic acid | 2.31 g |
| Biotin | 33.8 µg |
| Calcium, Ca | 230 mg |
| Carbohydrate, by difference | 34.4 g |
| Copper, Cu | 1.34 mg |
| Cysteine | 0.552 g |
| Daidzein | 20.2 mg |
| Daidzin | 30.2 mg |
| Energy | 545 kcal |
| Energy (Atwater General Factors) | 545 kcal |
| Energy (Atwater Specific Factors) | 514 kcal |
| Fatty acids, total monounsaturated | 5.94 g |
| Fatty acids, total polyunsaturated | 24.7 g |
| Fatty acids, total saturated | 3.28 g |
| Fiber, total dietary | 23.1 g |
| Folate, total | 41.4 µg |
| Genistein | 0.013 mg |
| Genistin | 1.95 mg |
| Glutamic acid | 4.85 g |
| Glycine | 1.39 g |
| Glycitin | 31.6 mg |
| Histidine | 0.514 g |
| Hydroxyproline | 0.191 g |
| Iron, Fe | 5.78 mg |
| Isoleucine | 0.938 g |
| Leucine | 1.38 g |
| Lysine | 0.932 g |
| Magnesium, Mg | 372 mg |
| Manganese, Mn | 2.4 mg |
| Methionine | 0.402 g |
| MUFA 18:1 c | 5.76 g |
| MUFA 20:1 c | 0.158 g |
| Niacin | 3.76 mg |
| Nitrogen | 3.4 g |
| Phenylalanine | 1.12 g |
| Phosphorus, P | 556 mg |
| Potassium, K | 793 mg |
| Proline | 0.872 g |
| Protein | 18 g |
| PUFA 18:2 n-6 c,c | 5.26 g |
| PUFA 18:3 n-3 c,c,c (ALA) | 19.4 g |
| Selenium, Se | 136 µg |
| Serine | 1.14 g |
| SFA 16:0 | 1.91 g |
| SFA 18:0 | 1.19 g |
| Sodium, Na | 36.7 mg |
| Thiamin | 0.537 mg |
| Threonine | 0.931 g |
| Total lipid (fat) | 37.3 g |
| Tryptophan | 0.301 g |
| Tyrosine | 0.572 g |
| Valine | 1.14 g |
| Vitamin B-6 | 0.393 mg |
| Vitamin E (alpha-tocopherol) | 0 mg |
| Vitamin K (phylloquinone) | 3.68 µg |
| Water | 6.8 g |
| Zinc, Zn | 4.74 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 2262075, usda_ff (released 2026-04-30). https://bettermenu.live/tools/ingredient-search/us/foods/flaxseed-ground-2262075/