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Flax seeds vs. Walnut — In-Depth Nutrition Comparison

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A recap on differences between flax seeds and walnut

  • Flax seeds have more vitamin B1, fiber, magnesium, phosphorus, selenium, iron, and calcium; however, walnut is higher in copper and manganese.
  • Flax seeds cover your daily vitamin B1 needs 109% more than walnut.
  • Walnut contains 5 times less selenium than flax seeds. Flax seeds contain 25.4µg of selenium, while walnut contains 4.9µg.
  • Flax seeds have less saturated fat.

Food varieties used in this article are Seeds, flaxseed and Nuts, walnuts, english.

Infographic

Flax seeds vs Walnut infographic
Infographic link

Mineral Comparison

Mineral comparison score is based on the number of minerals by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 280% 77% 72% 215% 407% 118% 275% 3.9% 324% 139%
Walnut
3
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 113% 29% 39% 109% 529% 84% 148% 0.26% 445% 27%
Contains more MagnesiumMagnesium +148.1%
Contains more CalciumCalcium +160.2%
Contains more PotassiumPotassium +84.4%
Contains more IronIron +96.9%
Contains more ZincZinc +40.5%
Contains more PhosphorusPhosphorus +85.5%
Contains more SeleniumSelenium +418.4%
Contains more CopperCopper +30%
Contains less SodiumSodium -93.3%
Contains more ManganeseManganese +37.6%

Vitamin Comparison

Vitamin comparison score is based on the number of vitamins by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 2% 0% 6.2% 0% 411% 37% 58% 59% 109% 0% 11% 65% 43%
Walnut
5
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 4.3% 0.33% 14% 0% 85% 35% 21% 34% 124% 0% 6.8% 74% 21%
Contains more Vitamin B1Vitamin B1 +382.1%
Contains more Vitamin B3Vitamin B3 +173.8%
Contains more Vitamin B5Vitamin B5 +72.8%
Contains more Vitamin KVitamin K +59.3%
Contains more CholineCholine +100.8%
Contains more Vitamin CVitamin C +116.7%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +125.8%
Contains more Vitamin B6Vitamin B6 +13.5%
Contains more FolateFolate +12.6%
~equal in Vitamin D ~0µg
~equal in Vitamin B2 ~0.15mg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
18% 42% 29% 7% 4%
Protein: 18.29 g
Fats: 42.16 g
Carbs: 28.88 g
Water: 6.96 g
Other: 3.71 g
Walnut
1
15% 65% 14% 4% 2%
Protein: 15.23 g
Fats: 65.21 g
Carbs: 13.71 g
Water: 4.07 g
Other: 1.78 g
Contains more ProteinProtein +20.1%
Contains more CarbsCarbs +110.6%
Contains more WaterWater +71%
Contains more OtherOther +108.4%
Contains more FatsFats +54.7%

Fat Type Comparison

Fat type breakdown side-by-side comparison
9% 19% 72%
Saturated fat: Sat. Fat 3.663 g
Monounsaturated fat: Mono. Fat 7.527 g
Polyunsaturated fat: Poly. Fat 28.73 g
Walnut
2
10% 14% 76%
Saturated fat: Sat. Fat 6.126 g
Monounsaturated fat: Mono. Fat 8.933 g
Polyunsaturated fat: Poly. Fat 47.174 g
Contains less Sat. FatSaturated fat -40.2%
Contains more Mono. FatMonounsaturated fat +18.7%
Contains more Poly. FatPolyunsaturated fat +64.2%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
74% 26%
Starch: 0 g
Sucrose: 1.15 g
Glucose: 0.4 g
Fructose: 0 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Walnut
3
2% 91% 3% 3%
Starch: 0.06 g
Sucrose: 2.43 g
Glucose: 0.08 g
Fructose: 0.09 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Contains more GlucoseGlucose +400%
Contains more StarchStarch +∞%
Contains more SucroseSucrose +111.3%
Contains more FructoseFructose +∞%
~equal in Lactose ~0g
~equal in Maltose ~0g
~equal in Galactose ~0g

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Flax seeds Walnut
Lower in Sodium ok
Lower in Glycemic Index ok
Lower in Sugar ok
Lower in Saturated fat ok
Lower in price ok
Rich in minerals ok
Lower in Cholesterol Equal
Rich in vitamins Equal

All nutrients comparison - raw data values

Nutrient Flax seeds Walnut DV% diff.
Polyunsaturated fat 28.73g 47.174g 123%
Vitamin B1 1.644mg 0.341mg 109%
Fiber 27.3g 6.7g 82%
Magnesium 392mg 158mg 56%
Phosphorus 642mg 346mg 42%
Manganese 2.482mg 3.414mg 41%
Copper 1.22mg 1.586mg 41%
Selenium 25.4µg 4.9µg 37%
Fats 42.16g 65.21g 35%
Iron 5.73mg 2.91mg 35%
Calcium 255mg 98mg 16%
Vitamin B3 3.08mg 1.125mg 12%
Potassium 813mg 441mg 11%
Saturated fat 3.663g 6.126g 11%
Zinc 4.34mg 3.09mg 11%
Vitamin B5 0.985mg 0.57mg 8%
Choline 78.7mg 39.2mg 7%
Protein 18.29g 15.23g 6%
Calories 534kcal 654kcal 6%
Vitamin B6 0.473mg 0.537mg 5%
Carbs 28.88g 13.71g 5%
Monounsaturated fat 7.527g 8.933g 4%
Vitamin E 0.31mg 0.7mg 3%
Folate 87µg 98µg 3%
Vitamin K 4.3µg 2.7µg 1%
Vitamin C 0.6mg 1.3mg 1%
Vitamin B2 0.161mg 0.15mg 1%
Sodium 30mg 2mg 1%
Net carbs 1.58g 7.01g N/A
Sugar 1.55g 2.61g N/A
Starch 0.06g 0%
Vitamin A 0µg 1µg 0%
Tryptophan 0.297mg 0.17mg 0%
Threonine 0.766mg 0.596mg 0%
Isoleucine 0.896mg 0.625mg 0%
Leucine 1.235mg 1.17mg 0%
Lysine 0.862mg 0.424mg 0%
Methionine 0.37mg 0.236mg 0%
Phenylalanine 0.957mg 0.711mg 0%
Valine 1.072mg 0.753mg 0%
Histidine 0.472mg 0.391mg 0%
Fructose 0g 0.09g 0%
Omega-6 - Eicosadienoic acid 0.007g 0g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Flax seeds Walnut
Low Calories diet ok
Low Fats diet ok
Low Carbs diet ok
Low Glycemic Index diet ok

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Vitamins & Minerals Daily Need Coverage Score

The summary scores indicate the extent to which this food can fulfill your daily vitamin and mineral requirements if you consume 3 servings, consisting of 100 grams of each (an approximation of 3 serving sizes).
Vitamins Daily Need Coverage Score
62%
Flax seeds
32%
Walnut
Minerals Daily Need Coverage Score
191%
Flax seeds
152%
Walnut

Comparison summary

Which food contains less Sodium?
Walnut
Walnut contains less Sodium (difference - 28mg)
Which food is lower in glycemic index?
Walnut
Walnut is lower in glycemic index (difference - 0)
Which food is lower in Sugar?
Flax seeds
Flax seeds is lower in Sugar (difference - 1.06g)
Which food is lower in Saturated fat?
Flax seeds
Flax seeds is lower in Saturated fat (difference - 2.463g)
Which food is cheaper?
Flax seeds
Flax seeds is cheaper (difference - $2)
Which food is richer in minerals?
Flax seeds
Flax seeds is relatively richer in minerals
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is richer in vitamins?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.

References

All the values for which the sources are not specified explicitly are taken from FDA’s Food Central. The exact link to the food presented on this page can be found below.

  1. Flax seeds - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169414/nutrients
  2. Walnut - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170187/nutrients

All the Daily Values are presented for males aged 31-50, for 2000-calorie diets.

Data provided by FoodStruct.com should be considered and used as information only. Please consult your physician before beginning any diet.