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Walnut vs. Flax — In-Depth Nutrition Comparison

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A recap on differences between Walnut and Flax

  • Walnut has more Copper, and Manganese, however, Flax is higher in Vitamin B1, Fiber, Magnesium, Phosphorus, Selenium, Iron, and Calcium.
  • Flax covers your daily Vitamin B1 needs 109% more than Walnut.
  • Flax contains 2 times less Saturated Fat than Walnut. Walnut contains 6.126g of Saturated Fat, while Flax contains 3.663g.

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

Infographic

Walnut vs Flax infographic
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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.
Walnut
3
:
7
Flax
Contains less Sodium -93.3%
Contains more Copper +30%
Contains more Manganese +37.6%
Contains more Calcium +160.2%
Contains more Iron +96.9%
Contains more Magnesium +148.1%
Contains more Phosphorus +85.5%
Contains more Potassium +84.4%
Contains more Zinc +40.5%
Contains more Selenium +418.4%
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 30% 110% 113% 149% 39% 1% 85% 529% 446% 27%
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 77% 215% 280% 276% 72% 4% 119% 407% 324% 139%
Contains less Sodium -93.3%
Contains more Copper +30%
Contains more Manganese +37.6%
Contains more Calcium +160.2%
Contains more Iron +96.9%
Contains more Magnesium +148.1%
Contains more Phosphorus +85.5%
Contains more Potassium +84.4%
Contains more Zinc +40.5%
Contains more Selenium +418.4%

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.
Walnut
5
:
5
Flax
Contains more Vitamin A +∞%
Contains more Vitamin E +125.8%
Contains more Vitamin C +116.7%
Contains more Vitamin B6 +13.5%
Contains more Folate +12.6%
Contains more Vitamin B1 +382.1%
Contains more Vitamin B3 +173.8%
Contains more Vitamin B5 +72.8%
Contains more Vitamin K +59.3%
Equal in Vitamin B2 - 0.161
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 2% 14% 0% 5% 86% 35% 22% 35% 124% 74% 0% 7%
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 0% 7% 0% 2% 411% 38% 58% 60% 110% 66% 0% 11%
Contains more Vitamin A +∞%
Contains more Vitamin E +125.8%
Contains more Vitamin C +116.7%
Contains more Vitamin B6 +13.5%
Contains more Folate +12.6%
Contains more Vitamin B1 +382.1%
Contains more Vitamin B3 +173.8%
Contains more Vitamin B5 +72.8%
Contains more Vitamin K +59.3%
Equal in Vitamin B2 - 0.161

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Walnut
1
:
4
Flax
Contains more Fats +54.7%
Contains more Protein +20.1%
Contains more Carbs +110.6%
Contains more Water +71%
Contains more Other +108.4%
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
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
Contains more Fats +54.7%
Contains more Protein +20.1%
Contains more Carbs +110.6%
Contains more Water +71%
Contains more Other +108.4%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Walnut
2
:
1
Flax
Contains more Monounsaturated Fat +18.7%
Contains more Polyunsaturated fat +64.2%
Contains less Saturated Fat -40.2%
10% 14% 76%
Saturated Fat: 6.126 g
Monounsaturated Fat: 8.933 g
Polyunsaturated fat: 47.174 g
9% 19% 72%
Saturated Fat: 3.663 g
Monounsaturated Fat: 7.527 g
Polyunsaturated fat: 28.73 g
Contains more Monounsaturated Fat +18.7%
Contains more Polyunsaturated fat +64.2%
Contains less Saturated Fat -40.2%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Walnut
3
:
1
Flax
Contains more Starch +∞%
Contains more Sucrose +111.3%
Contains more Fructose +∞%
Contains more Glucose +400%
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
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
Contains more Starch +∞%
Contains more Sucrose +111.3%
Contains more Fructose +∞%
Contains more Glucose +400%

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Walnut Flax
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 Walnut Flax Opinion
Net carbs 7.01g 1.58g Walnut
Protein 15.23g 18.29g Flax
Fats 65.21g 42.16g Walnut
Carbs 13.71g 28.88g Flax
Calories 654kcal 534kcal Walnut
Starch 0.06g Walnut
Fructose 0.09g 0g Walnut
Sugar 2.61g 1.55g Flax
Fiber 6.7g 27.3g Flax
Calcium 98mg 255mg Flax
Iron 2.91mg 5.73mg Flax
Magnesium 158mg 392mg Flax
Phosphorus 346mg 642mg Flax
Potassium 441mg 813mg Flax
Sodium 2mg 30mg Walnut
Zinc 3.09mg 4.34mg Flax
Copper 1.586mg 1.22mg Walnut
Manganese 3.414mg 2.482mg Walnut
Selenium 4.9µg 25.4µg Flax
Vitamin A 20IU 0IU Walnut
Vitamin A RAE 1µg 0µg Walnut
Vitamin E 0.7mg 0.31mg Walnut
Vitamin C 1.3mg 0.6mg Walnut
Vitamin B1 0.341mg 1.644mg Flax
Vitamin B2 0.15mg 0.161mg Flax
Vitamin B3 1.125mg 3.08mg Flax
Vitamin B5 0.57mg 0.985mg Flax
Vitamin B6 0.537mg 0.473mg Walnut
Folate 98µg 87µg Walnut
Vitamin K 2.7µg 4.3µg Flax
Tryptophan 0.17mg 0.297mg Flax
Threonine 0.596mg 0.766mg Flax
Isoleucine 0.625mg 0.896mg Flax
Leucine 1.17mg 1.235mg Flax
Lysine 0.424mg 0.862mg Flax
Methionine 0.236mg 0.37mg Flax
Phenylalanine 0.711mg 0.957mg Flax
Valine 0.753mg 1.072mg Flax
Histidine 0.391mg 0.472mg Flax
Saturated Fat 6.126g 3.663g Flax
Monounsaturated Fat 8.933g 7.527g Walnut
Polyunsaturated fat 47.174g 28.73g Walnut
Omega-6 - Eicosadienoic acid 0g 0.007g Flax

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Walnut Flax
Low Fats diet ok
Low Carbs diet ok
Low Calories 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
33%
Walnut
63%
Flax
Minerals Daily Need Coverage Score
152%
Walnut
191%
Flax

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
Flax is lower in Sugar (difference - 1.06g)
Which food is lower in Saturated Fat?
Flax
Flax is lower in Saturated Fat (difference - 2.463g)
Which food is cheaper?
Flax
Flax is cheaper (difference - $2)
Which food is richer in minerals?
Flax
Flax 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. Walnut - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170187/nutrients
  2. Flax - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169414/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.