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There are different components of dairy, not just lactose! I explain the OTHER component here! [ Ссылка ]
Casein Protein | Dairy Addiction | Casein vs. Whey- Thomas DeLauer…
Casein vs Whey - Dairy Addiction:
The majority of people are unable to properly digest dairy - symptoms such as bloating, gas, constipation and stomach pain are common, and however more serious problems such as chronic inflammation and diabetes have been found.
For years it has been thought that the main culprit was lactose, however new evidence points to the most common protein in milk, casein, being a leading cause for dairy intolerance.
Overview (1):
1. Beta-casein proteins make up around 30% of milk’s proteins and come in one of two genetic varieties: A1 and A2.
2. A2 is the original variety, with A1 appearing somewhere around 5,000 - 10,000 years ago through a mutation found in some European herds.
3. BCM-7 is a bioactive opioid peptide which is formed in much greater levels when we consume dairy with A1 beta-casein when compared to A2 beta-casein.
4. BCM-7 has been linked to delayed digestion, gastrointestinal inflammation, pain and bloating.
5. There are opioid receptors in the nervous, endocrine and immune systems that respond to the consumption of BCM-7. (3)
6. Reactions to BCM-7 have been speculated to be factors in diabetes, heart disease, schizophrenia and autism. (3)
7. Research Bomb: A 2014 study in the World Journal of Men’s Health found that casein promoted the proliferation of prostate cancer cells, so casein is also linked to cancer. (2)
How to Avoid Casein:
1. Casein is found in all dairy products, such as milk, cheese and butter. (4)
2. Additionally, to avoid casein you would want to check the label for milk and dairy ingredients. Even foods you wouldn’t expect, such as some non-dairy creamers, margarine, and lunch meats can have casein. (4)
3. In the US, food labels must include a warning if foods contain common allergy substances, such as peanuts and milk. You will see statements like “made with milk ingredients” when products contain casein. (4)
Tips:
1. If you decide to avoid dairy, try to consume products enriched with calcium, such as many cereals and milk alternatives (soy, rice, etc). Leafy greens such as kale are also good sources of calcium.
2. If you do not enjoy one milk substitute, try another. There are some creamy alternatives, such as soy milk and cashew milk, as well as much thinner options, such as almond milk and rice milk. If you do not like one, you could still love another!
3. Always ask for ingredient details when you eat out to be sure you are not unknowingly served dairy.
4. Dairy free does not mean casein free, so read the label. Avoid foods that say casein or caseinate. (5)
References:
1. Milk Intolerance, Beta Casein and Lactose
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2. A Milk Protein Casein as a Proliferation Promoting Factor in Prostate Cancer Cells
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3. Milk proteins and human health: A1/A2 hypothesis
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4. What is Casein? Foods with Casein, Casein Allergies, and More
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5. What is a Casein-Free Diet?
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