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A2 vs. A1 milk

  • June 10, 2019
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There is hardly anyone who does not consume milk on daily basis. Did you know that there are 2 categories of milk and each of them have distinct characteristics?

The difference between the two is in their protein content. 95% of cow milk has protein as its constituents, that too, these two proteins ­– caseins and whey proteins. Among the caseins, beta casein is the second most abundant protein. This beta casein has excellent balance of amino-acids. A1 and A2 are the two varieties of beta-casein.

While western high yielding cow species like Holstein give A1 milk, Indian cows and buffalos give A2 milk. A1 milk produces beta-casomorphin-7 (BCM-7), which is absorbed into blood or adsorbed on to the inner wall of the intestine. This BCM7 is considered bad for the body. BCM7 is blamed to affect nerves, endocrine system, increase bad cholesterol, cause bloating of the abdomen, increase risk of type-1 diabetes, coronary heart disease, arteriosclerosis, sudden infant death syndrome, autism, schizophrenia, etc.

A2 milk, which is produced by Indian cows and buffalos (and also African cows or non-genetically modified cows) is considered similar to human breast milk. A2 milk is associated with lower incidence of cardiovascular disease and type-1 diabetes. A2 milk is also good for brain function.

A2 milk is better than A1 milk, at least as known by current research. However, those who have lactose intolerance, galactosemia, or a milk allergy should avoid both A1 and A2 milk.

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Disclaimer: Don’t follow any suggestions in this article without consulting a qualified doctor

References:

1.  A2 milk: What you need to know. https://www.medicalnewstoday.com/articles/318577.php

2.  Sodhi M, Mukesh M, Kataria RS, et al. Milk proteins and human health: A1/A2 milk hypothesis. Indian J Endocrinol Metab. 2012 Sep-Oct; 16(5): 856.