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Dairy, Revisited

Paleo and dairy

Dairy has already been covered in another article, but it’s such a constant bone of contention in the Paleo world that it’s worth revisiting. Some people avoid it like the plague; other people eat butter but not milk or yogurt; other people consider it one of the most nutritious foods they consume.

As usual, there are no easy answers. Dairy is a Paleo gray area food – some people advocate it; other people advise against it. There’s no need to eat any dairy food to get all your nutrients in; you can have a perfectly adequate diet without it. Some people react very badly to dairy, and doing a Paleo-style elimination can help them figure that out. But on the other hand, dairy is awfully tasty, and if it really is a healthy source of fat, protein, and micronutrients that doesn’t cause any health problems, avoiding it seems silly. So here’s some basic information to help you figure out what works for you.

Why Would You Even Consider It?

Before getting deep into the pros and cons, let’s tackle a few of the most common blanket objections up front:

The objection The response
“No other animal in the wild drinks the milk of another species” “Humans do plenty of things differently from other animals. We’re also the only animals to cook our food. Does that make cooking bad?”
“Dairy wasn’t available in the Paleolithic” “Neither was beef, pork, or chicken. Neither was kale. In fact, almost nothing we eat today was available in the Paleolithic. Paleo is a framework for understanding nutrition, not a re-enactment.”
“80% of people in the world are lactose intolerant. That’s a sign that humans are not adapted to dairy consumption yet.” “Some forms of dairy – like yogurt, butter, and ghee – have no or very little lactose. Also, this doesn’t apply to the lucky 20% (mostly people of northern European ancestry), who clearly have adapted to lactose consumption.”
“But I/so many people have allergies to dairy!” “If you personally have an allergy, then obviously you should avoid it. But plenty of people also have allergies to eggs, nuts, shellfish, and other Paleo foods. Just because something doesn’t sit well with you in particular doesn’t make it a bad food for humans in general.”
“But dairy is an acid-forming food.” “The acid/alkaline food theory of disease just doesn’t hold water.

So, does that make dairy a “good” food for you? Not necessarily. Remember: this is just the case for why we shouldn’t dismiss it out of hand. For each individual, dairy is really a matter of personal tolerance. Now it’s time to look at the pros and cons.

Pros, Cons, and Best Choices

The major (potential) pros of dairy include:

These are all good reasons to include dairy in your diet. But they’re not the whole story. The major (potential) cons include:

Here’s how the different forms of dairy foods stack up when it comes to these pros and cons.

Type of Dairy Micronutrients provided (in significant amounts) Fat, protein, or both? Lactose? Probiotics?
Whole* milk Calcium, Riboflavin (B2), Vitamin D (from fortification), Vitamin B12, phosphorus, selenium, and potassium. Both Yes No
Full-fat yogurt or kefir Calcium, Phosphorus, Riboflavin (B2), Vitamin B12, Potassium, Zinc, and Pantothenic acid (B5). Both Essentially none. Yes
Heavy cream Few (unless you’re drinking it by the cup). Both, but mostly fat. A little bit. No
Full-fat cheese Varies by type. Calcium, phosphorus, Vitamin B12, and Riboflavin (B2) are all good guesses. Both, but mostly fat. Depends: hard cheeses have very little; softer cheeses have more. Depends
Butter Almost none. Almost entirely fat. Essentially none. No
Ghee Almost none. Fat only.
No

*Since dairy fat is one of the major benefits of eating dairy in the first place, it makes no sense from a Paleo perspective to eat low-fat dairy like skim milk or fat-free yogurt.butter

Looking down the chart, you can see for example that someone who has trouble with lactose might do just fine with butter and ghee, or even yogurt. In fact, butter and ghee are the most widely tolerated forms of dairy, since they’re essentially pure fat, with very little protein or lactose to cause any reactions. This minimizes potential insulin spikes as well. Even people who can’t handle other forms of dairy can often cook with ghee.

Many people also have better luck with sheep or goat dairy than cow dairy, because the casein is different and less allergenic. Other people swear by raw milk over pasteurized, even though there’s no hard evidence that it’s actually better.

If you can’t tolerate any of these, though, don’t sweat it. Yes, dairy has some nutritional advantages, but there’s nothing here that you couldn’t also get from somewhere else (even calcium!). Dairy is tasty and nutritious, but not right for everyone and there’s no need for it in a healthy diet

What’s New?

Since the first article was published, there’s been a bunch of interesting research on dairy, specifically the cardioprotective qualities of full-fat dairy foods. Here’s a quick summary of the evidence, from this review:

The authors conclude that dairy actually shows promise as a cardioprotective food, because it helps reduce the risk of metabolic syndrome: “The consumption of dairy products has been shown to have a beneficial effect on risk factors that contribute to the metabolic syndrome, including dyslipidemia, insulin resistance, BP, and abdominal obesity.”

Exciting news, not just because of the dairy, but because it sure looks like the first step to admitting that saturated fat really isn’t that bad.
Dairy choices

Summing it Up

Just to reiterate: dairy is a gray area. That means it’s not universally well tolerated, and not right for everyone. Plenty of people feel better without it. If that’s you: great! Eat some sardines and leafy greens to get your calcium, find another source of the good fat, and don’t worry about it.

On the other hand, if you do tolerate dairy well, it’s something to consider. For most people, a good basic plan is to do a 30-day elimination and see how you feel. Then try re-introducing dairy one food at a time to see what you can tolerate. For some people, that’s nothing. Many people are fine with butter and ghee; you might even be able to handle more, at least in small amounts. Do what works for you. If that means no dairy at all, there are plenty of other options. If that means dairy is OK – well, enjoy your cheese!




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