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Table 1 Nutritional composition of the two types of milk

From: Effects of cow’s milk beta-casein variants on symptoms of milk intolerance in Chinese adults: a multicentre, randomised controlled study

Nutrient (per 100 mL)

A2 milk

A1 milk

Energy (kJ)

278

270

Protein (g)

3.3

3.3

Fat (g)

3.7

3.5

Saturated fat (g)

2.4

2.1

Carbohydrate (g)

5

4.8

Sodium (mg)

37

45

Calcium (mg)

117

120

Lactose

5

4.8

  1. A1 conventional milk containing A1 and A2 β-casein, A2 milk containing A2 β-casein