Milk under scrutiny: lactose, A1 casein and industry

Milk under suspicion: food or modern poison?

Is milk a poison? This question arises whenever someone quits dairy and, in the process, says goodbye to years of anxiety, joint pain, and intestinal issues. The short answer is that there isn't one. The long answer spans 108 messages, covering everything from the lactase enzyme to the dairy lobby, passing through A1 casein, SIBO, and sausages with hidden milk.

The trigger is a personal case: a 40-year-old man who quit lactose, then all dairy, and noticed his body stopped rebelling. "Years of anxiety problems, occasional joint pain, recurring injuries... It turns out the reason is milk and its derivatives," he summarizes. His thesis goes beyond classic intolerance: he suspects proteins, not just sugar.

Why does milk cause discomfort if you aren't lactose intolerant?

Lactose intolerance is just the tip of the iceberg. Some argue the real problem lies in A1 casein, a protein resulting from a cow mutation that is less digestible than A2, which predominates in goat, sheep, buffalo, and even human milk. The original poster tested this: even without lactose, a splash in coffee left him "perversos all day."

The argument has physiological basis. Lactase, the enzyme that digests lactose, declines with age in most of the world's population. But it's not the only change. Gut flora alters, the intestine becomes permeable, and what was once tolerated is no longer. "I can eat fruit, etc., until I'm full for months now. Something I couldn't do before because my gut was damaged," recounts the same participant, who took an SIBO test showing a completely flat curve.

Industrial milk also doesn't resemble what our grandparents drank. "Supermarket milk is something else... As a child in summer at the village, I'd drink fresh milk straight from the cows until I was stuffed," recalls another. Homogenization, heat treatment, and cow feed change the product's final profile.

The dairy lobby and milk hidden in sausages

Finding fuet (a Spanish cured sausage) without milk is a scavenger hunt. "Even many chorizos. Fuet, for example, contains it. To find one without milk, you have to go to Carrefour and similar places. You won't find it at Mercadona," the author complains. Milk powder, casein, and whey appear in processed meats, pastries, sauces, and even meat products that shouldn't contain them.

The alleged dairy lobby is another key point. "The dairy lobby is very powerful too. Many more people have tolerance issues with dairy as they age," he argues. The counter-argument is quick: "The WHO never recommends milk but always 293829038290 crappy vegetables a day." The discussion shifts to official recommendations and their consistency.

There is consensus on one thing: milk isn't for everyone. "If you are lactose intolerant, milk will upset you; if you aren't, milk will suit you perfectly," summarizes a participant. The problem arises when discomfort comes from protein, not lactose, where standard tests fall short.

Is goat milk better tolerated than cow milk?

Goat milk appears as an alternative. "Buy goat milk and tell us if you notice any difference," suggests a participant. The reason is A2 casein, more abundant in goats and sheep, which some guts tolerate better. But it's not a universal solution: the original poster tried it and got the same digestive disaster.

Lactose-free milk isn't a panacea either. "I can eat fruit... but with lactose-free milk I still have problems," confirms. Lactose split into glucose and galactosa sweetens the product and, for some, remains problematic. Lactose-free milk is not dairy-free milk.

Plant-based drinks have gained ground. "Rice milk is good, quite neutral and slightly sweet, refreshing for summer," comments a participant. Unsweetened soy milk is another option, though the taste doesn't convince everyone. Horchata, almost always with sugar, isn't a light alternative.

The carbohydrate trap and leaky gut

The debate shifts to carbohydrates. "What do fruit, bread, legumes, and milk have in common? Easy: CARBOHYDRATES," states a participant. The thesis is that a damaged gut reacts to sugars and accompanying plant toxins. The proposed solution is radical: strict carnivore diet.

Small Intestinal Bacterial Overgrowth (SIBO) appears as a trendy diagnosis. "It's bacterial overgrowth in the small intestine. Let's say there should be far fewer bacteria and archaea there than in the large intestine," explains. Eating carbs feeds those bacteria and perpetuates the cycle. Milk, with its lactose, is just one chapter.

The evolution of the original poster is revealing: "Currently I can eat more things than a year ago, but fewer than two years ago." Tolerance isn't a straight line; it's a wheel. What suits you today might not tomorrow. And vice versa.

The milk business: sales by the handful and endless shelves

Milk remains a huge business. "We have a huge milk aisle. You can't imagine how much milk sells; people grab it by the handfuls," describes someone working in a hypermarket. Whole, skimmed, semi-skimmed, lactose-free, fiber-added, calcium-enriched. The variety is overwhelming and rotation is high.

Paradoxically, lactose-free milk contains lactose. "Lactose-free actually means lactose split - sucrose and fructose - since they artificially add lactase," details. Meaning, the sugar is still there, just pre-digested. For a strict intolerant person, it can still be a problem.

Price and logistics matter. Milk is cheap, perishable, and mass-consumed. Shelves are restocked daily. The dairy industry moves billions, and any consumption shift hits balance sheets. More people quitting it, even if due to trends, has consequences.

Humans are the only mammals drinking milk as adults

The classic argument appears early: "Man is the only mammal that drinks milk as an adult." The rebuttal trinc quickly: "Man is the only mammal that cooks food. Humans are the only ones who brush their teeth. Animals don't wear clothes. No other animal performs surgery." The appeal-to-nature fallacy is exposed.

Another participant adds: "Do you know any adult animal that would reject a bowl of milk? If an adult animal doesn't drink milk, it's because it has no access to it." Cats, in fact, drink milk if offered. The issue isn't whether it's natural, but whether it's suitable for each organism.

The conclusion emerging is that milk isn't poison, but it's not the universal food sold to us. "For a child or young person, fine. But tell me about 60-year-olds consuming milk every day," questions the original poster. Age changes the rules of the digestive game.

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Milk is not poison. Nor is it the white elixir advertised for decades. It's a food that a growing part of the adult population digests poorly, due to lactose, proteins, or a gut no longer up for the task. While science debates, supermarket shelves remain full. Someone has to buy them.