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Buttermilk vs. Kefir — In-Depth Nutrition Comparison

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What are the differences between Buttermilk and Kefir?

  • The amount of Vitamin A, and Vitamin D in Kefir is higher than in Buttermilk.
  • Kefir's daily need coverage for Vitamin A is 17% more.
  • Kefir contains 5 times less Sodium than Buttermilk. Buttermilk contains 190mg of Sodium, while Kefir contains 40mg.

We used Milk, buttermilk, fluid, cultured, lowfat and Kefir, lowfat, plain, LIFEWAY types in this article.

Infographic

Buttermilk vs Kefir 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.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 7.9% 35% 13% 1.9% 3.7% 11% 38% 25% 0.26% 11%
Kefir
5
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 8.6% 39% 14% 1.5% 3% 13% 45% 5.2% 0.65% 20%
Contains more IronIron +25%
Contains more CopperCopper +22.2%
Contains more CalciumCalcium +12.1%
Contains more PhosphorusPhosphorus +18%
Contains less SodiumSodium -78.9%
Contains more ManganeseManganese +150%
Contains more SeleniumSelenium +80%
~equal in Magnesium ~12mg
~equal in Potassium ~164mg
~equal in Zinc ~0.46mg

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 3.3% 2.8% 1% 0% 8.5% 36% 1.1% 17% 7.8% 28% 0.25% 3.8% 9.7%
Kefir
7
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 0.67% 34% 0.4% 30% 7.5% 31% 2.8% 23% 13% 36% 0.25% 9.8% 8.3%
Contains more Vitamin CVitamin C +400%
Contains more Vitamin EVitamin E +150%
Contains more Vitamin B1Vitamin B1 +13.3%
Contains more Vitamin B2Vitamin B2 +14.1%
Contains more CholineCholine +16.4%
Contains more Vitamin AVitamin A +1110.6%
Contains more Vitamin DVitamin D +∞%
Contains more Vitamin B3Vitamin B3 +158.6%
Contains more Vitamin B5Vitamin B5 +40%
Contains more Vitamin B6Vitamin B6 +70.6%
Contains more Vitamin B12Vitamin B12 +31.8%
Contains more FolateFolate +160%
~equal in Vitamin K ~0.1µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
3% 5% 90%
Protein: 3.31 g
Fats: 0.88 g
Carbs: 4.79 g
Water: 90.13 g
Other: 0.89 g
Kefir
2
4% 4% 90%
Protein: 3.79 g
Fats: 0.93 g
Carbs: 4.48 g
Water: 90.07 g
Other: 0.73 g
Contains more OtherOther +21.9%
Contains more ProteinProtein +14.5%
~equal in Fats ~0.93g
~equal in Carbs ~4.48g
~equal in Water ~90.07g

Fat Type Comparison

Fat type breakdown side-by-side comparison
66% 30% 4%
Saturated Fat: Sat. Fat 0.548 g
Monounsaturated Fat: Mono. Fat 0.254 g
Polyunsaturated fat: Poly. Fat 0.033 g
Kefir
2
64% 30% 5%
Saturated Fat: Sat. Fat 0.658 g
Monounsaturated Fat: Mono. Fat 0.31 g
Polyunsaturated fat: Poly. Fat 0.053 g
Contains less Sat. FatSaturated Fat -16.7%
Contains more Mono. FatMonounsaturated Fat +22%
Contains more Poly. FatPolyunsaturated fat +60.6%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Buttermilk Kefir Opinion
Calories 40kcal 41kcal Kefir
Protein 3.31g 3.79g Kefir
Fats 0.88g 0.93g Kefir
Vitamin C 1mg 0.2mg Buttermilk
Net carbs 4.79g 4.48g Buttermilk
Carbs 4.79g 4.48g Buttermilk
Cholesterol 4mg 5mg Buttermilk
Vitamin D 1IU 41IU Kefir
Magnesium 11mg 12mg Kefir
Calcium 116mg 130mg Kefir
Potassium 151mg 164mg Kefir
Iron 0.05mg 0.04mg Buttermilk
Sugar 4.79g 4.61g Kefir
Copper 0.011mg 0.009mg Buttermilk
Zinc 0.42mg 0.46mg Kefir
Phosphorus 89mg 105mg Kefir
Sodium 190mg 40mg Kefir
Vitamin A 47IU 569IU Kefir
Vitamin A 14µg 171µg Kefir
Vitamin E 0.05mg 0.02mg Buttermilk
Vitamin D 0µg 1µg Kefir
Manganese 0.002mg 0.005mg Kefir
Selenium 2µg 3.6µg Kefir
Vitamin B1 0.034mg 0.03mg Buttermilk
Vitamin B2 0.154mg 0.135mg Buttermilk
Vitamin B3 0.058mg 0.15mg Kefir
Vitamin B5 0.275mg 0.385mg Kefir
Vitamin B6 0.034mg 0.058mg Kefir
Vitamin B12 0.22µg 0.29µg Kefir
Vitamin K 0.1µg 0.1µg
Folate 5µg 13µg Kefir
Trans Fat 0.037g Buttermilk
Choline 17.7mg 15.2mg Buttermilk
Saturated Fat 0.548g 0.658g Buttermilk
Monounsaturated Fat 0.254g 0.31g Kefir
Polyunsaturated fat 0.033g 0.053g Kefir
Tryptophan 0.042mg Buttermilk
Threonine 0.141mg Buttermilk
Isoleucine 0.171mg Buttermilk
Leucine 0.313mg Buttermilk
Lysine 0.277mg Buttermilk
Methionine 0.087mg Buttermilk
Phenylalanine 0.171mg Buttermilk
Valine 0.217mg Buttermilk
Histidine 0.1mg Buttermilk
Omega-3 - ALA 0.006g Kefir
Omega-3 - DPA 0g 0.001g Kefir
Omega-6 - Dihomo-gamma-linoleic acid 0.002g Kefir
Omega-6 - Linoleic acid 0.029g Kefir

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Buttermilk Kefir
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
9%
Buttermilk
15%
Kefir
Minerals Daily Need Coverage Score
15%
Buttermilk
15%
Kefir

Comparison summary

Which food is lower in Sugar?
Kefir
Kefir is lower in Sugar (difference - 0.18g)
Which food contains less Sodium?
Kefir
Kefir contains less Sodium (difference - 150mg)
Which food is lower in glycemic index?
Kefir
Kefir is lower in glycemic index (difference - 36)
Which food is cheaper?
Kefir
Kefir is cheaper (difference - $2)
Which food is richer in minerals?
Kefir
Kefir is relatively richer in minerals
Which food is lower in Cholesterol?
Buttermilk
Buttermilk is lower in Cholesterol (difference - 1mg)
Which food is lower in Saturated Fat?
Buttermilk
Buttermilk is lower in Saturated Fat (difference - 0.11g)
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. Buttermilk - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170874/nutrients
  2. Kefir - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170904/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.