Whey vs. Butter — In-Depth Nutrition Comparison

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How are whey and butter different?

Whey is higher in vitamin B2 and vitamin B5; however, butter is richer in vitamin A, vitamin E, and vitamin K.
Daily need coverage for saturated fat for butter is 251% higher.
Whey contains 7 times more potassium than butter. While whey contains 161mg of potassium, butter contains only 24mg.
Whey has less cholesterol.
Butter has a lower glycemic index (0) than whey (43).

Whey, sweet, fluid and Butter, without salt are the varieties used in this article.

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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.

Whey

Butter

Contains more MagnesiumMagnesium	+300%
Contains more CalciumCalcium	+95.8%
Contains more PotassiumPotassium	+570.8%
Contains more IronIron	+200%
Contains more ZincZinc	+44.4%
Contains more PhosphorusPhosphorus	+91.7%
Contains more SeleniumSelenium	+90%

Contains more CopperCopper	+300%
Contains less SodiumSodium	-79.6%
Contains more ManganeseManganese	+300%

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.

Whey

Butter

Contains more Vitamin CVitamin C	+∞%
Contains more Vitamin B1Vitamin B1	+620%
Contains more Vitamin B2Vitamin B2	+364.7%
Contains more Vitamin B3Vitamin B3	+76.2%
Contains more Vitamin B5Vitamin B5	+248.2%
Contains more Vitamin B6Vitamin B6	+933.3%
Contains more Vitamin B12Vitamin B12	+64.7%

Contains more Vitamin AVitamin A	+22700%
Contains more Vitamin EVitamin E	+∞%
Contains more Vitamin KVitamin K	+∞%
Contains more FolateFolate	+200%

~equal in Vitamin D ~0µg

All nutrients comparison - raw data values

Nutrient			DV% diff.
Saturated fat	0.23g	50.489g	228%
Fats	0.36g	81.11g	124%
Vitamin A	3µg	684µg	76%
Cholesterol	2mg	215mg	71%
Monounsaturated fat	0.1g	23.43g	58%
Calories	27kcal	717kcal	35%
Polyunsaturated fat	0.011g	3.01g	20%
Vitamin E	0mg	2.32mg	15%
Vitamin B2	0.158mg	0.034mg	10%
Vitamin K	0µg	7µg	6%
Vitamin B5	0.383mg	0.11mg	5%
Vitamin B12	0.28µg	0.17µg	5%
Potassium	161mg	24mg	4%
Phosphorus	46mg	24mg	3%
Vitamin B1	0.036mg	0.005mg	3%
Carbs	5.14g	0.06g	2%
Calcium	47mg	24mg	2%
Sodium	54mg	11mg	2%
Selenium	1.9µg	1µg	2%
Vitamin B6	0.031mg	0.003mg	2%
Magnesium	8mg	2mg	1%
Iron	0.06mg	0.02mg	1%
Copper	0.004mg	0.016mg	1%
Folate	1µg	3µg	1%
Choline	16mg	18.8mg	1%
Protein	0.85g	0.85g	0%
Protein per 100 calories	3.1g	0.12g	N/A
Calories per 10 g protein	318kcal	8435kcal	N/A
Weight per 100 calories	370g	14g	N/A
Unsaturated / Saturated Fat ratio	0.48	0.52	N/A
Vitamin C	0.1mg	0mg	0%
Net carbs	5.14g	0.06g	N/A
Sugar	5.14g	0.06g	N/A
Zinc	0.13mg	0.09mg	0%
Manganese	0.001mg	0.004mg	0%
Vitamin B3	0.074mg	0.042mg	0%
Tryptophan	0.013mg	0.012mg	0%
Threonine	0.054mg	0.038mg	0%
Isoleucine	0.047mg	0.051mg	0%
Leucine	0.078mg	0.083mg	0%
Lysine	0.068mg	0.067mg	0%
Methionine	0.016mg	0.021mg	0%
Phenylalanine	0.027mg	0.041mg	0%
Valine	0.046mg	0.057mg	0%
Histidine	0.016mg	0.023mg	0%
Omega-3 - ALA		0.315g	N/A
Omega-6 - Linoleic acid		2.166g	N/A