This buildup was much lower when the rabbits consumed A2 beta-casein Fat accumulation may potentially clog blood vessels and cause heart disease. Still, the human relevance of the results has been debated 2. So far, two trials have investigated the effects of A1 milk on heart disease risk factors in people 16 , In one study in 15 adults at high risk of heart disease, no significant adverse effects were observed.
A1 and A2 had similar effects on blood vessel function, blood pressure, blood fats, and inflammatory markers Another study found no significant differences in the effects of A1 and A2 casein on blood cholesterol Sudden infant death syndrome SIDS is the most common cause of death in infants under 12 months old.
SIDS is the unexpected death of an infant without an apparent cause One study found high levels of BCM-7 in the blood of infants who temporarily stopped breathing during sleep. This condition, known as sleep apnea, is linked to an increased risk of SIDS 7. Yet, further studies are needed before any firm conclusions can be reached. In theory, peptides like BCM-7 might play a role in the development of autism. However, studies do not support all of the proposed mechanisms 20 , 21 , Notably, levels of BCM-7 dropped quickly in some of the infants while remaining high in others.
For those who retained these high levels, BCM-7 was strongly associated with an impaired ability to plan and perform actions 8. But other studies found no effects on behavior 23 , 24 , So far, no human trials have specifically investigated the effects of A1 and A2 milk on autism symptoms.
Still, results are mixed and more research is needed. Lactose intolerance is the inability to fully digest milk sugar lactose. This is a common cause of bloating, gas, and diarrhea. The amount of lactose in A1 and A2 milk is the same. However, some people feel that A2 milk causes less bloating than A1 milk. In fact, studies indicate that milk components other than lactose may cause digestive discomfort 26 , One study in 41 people showed that A1 milk causes softer stools than A2 milk in some individuals, while another study in Chinese adults found that A2 milk led to significantly less digestive discomfort after meals 28 , Additionally, animal and human studies suggest that A1 beta-casein may increase inflammation in the digestive system 29 , 30 , The article has truly peaked my interest.
Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Skip to content. Why A2 Milk? We bring you the top 5 reasons why A2 milk is your best bet: 1. It Builds Strong Bones A2 milk is an excellent source of calcium that helps in building strong bones in both, children and adults.
Share On. What is the Difference between A1 and A2 Milk? Leave a Reply Cancel reply Your email address will not be published. Milk Desi Cow Milk Mr. Milk Desi Cow Ghee Mr. Dr Karl explains the difference between A1 and A2 milk. A2 milk is one of the more interesting additions to the ever-expanding varieties of milk — but the science behind its benefits is a little murky.
A1 and A2 are specific proteins found in cow's milk, though in different proportions depending on the breed of cattle. The original claim about boring old A1 milk was that it may cause diseases ranging from autism and schizophrenia to type 1 diabetes and heart disease. The basis of this claim was that it would break down into a damaging peptide a smaller chain of amino acids called beta-casomorphin, or BCM Both A1 and A2 are proteins in the casein family, which makes up about one-third of all the proteins in human milk, but about 80 per cent of the proteins in cow's milk.
The two proteins are almost identical — they each contain amino acids, the building blocks of any protein. At this position, A1 has a histidine amino acid, while A2 has a proline amino acid. The entire basis of the supposed problem with A1 milk is its pesky histidine amino acid at position That one amino acid change means when the A1 protein is broken down, it can create the peptide BCM BCM-7 is related to the opiate family, and has been found to have a wide range of effects in animals if injected directly into the blood.
For example, in rats it has been shown to have an analgesic effect, or it can accelerate learning. They can affect your blood pressure, your immune system, and how your blood clots — you get the idea.
Peptides can be quite wide-ranging and powerful in their effects. BCM-7 has been shown to have some minor effects on the gut movements and inflammation of animals, but this has not been conclusively shown in humans.
In the year , the a2 Corporation was formed to commercialise the A2 protein in a brand of milk. They had a patent on a genetic method for identifying cattle that would produce A2 milk.
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