Eating Yogurt Is Good for Your Gut — Unless You're Making These 3 Mistakes may earn compensation through affiliate links in this story.
Shopping for a healthy yogurt can be tricky, so don't make these common mistakes when it comes to picking out the best type for you.
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Navigating the dairy aisle for a healthy yogurt can be overwhelming. There's no shortage of options from regular to Greek to Icelandic skyr yogurt, and then there's a variety of flavors, milkfat options and add-ins, too.


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If you're shopping with your gut health in mind, all of this can add another layer of confusion. Yogurt is a solid source of probiotics — it's made by fermenting milk with bacteria — but not all yogurts are created equal.

At the very least, for a food to qualify as yogurt, it needs to contain two strains of probiotics — ​Lactobacillus bulgaricus​ and ​Streptococcus thermophilus​ — according to the Food and Drug Administration.​ Additional strains can be added but these two must be present.


That's good news for our guts because these two probiotic strains have been linked to improved lactose digestion and a reduced risk of both diarrhea and constipation, per the World Gastroenterology Organization. The beneficial bacteria are also linked to helping conditions like irritable bowel syndrome (IBS) and irritable bowel disease (IBD).

Knowing these two strains must be included in your yogurt helps level the playing field some, but significant differences still remain. Some yogurts have been heat-treated ​after​ the fermentation process, killing off the beneficial live cultures. Also, in addition to the types of probiotics present, the quantity of these strains is important too, although most yogurt brands don't provide a count on their packaging.


So next time you're shopping for a tub, keep these unhealthy yogurt ingredients and buying mistakes in mind.

1. Picking Yogurt With Sugar Alternatives

Some yogurts are marketed as a "diet food" with claims like "light" or "sugar-free." This is usually an indication that there are sugar alternatives in your yogurt.


Yes, limiting the amount of added sugar in our diets is important, but choosing products with sugar alternatives is not the answer, especially when it comes to your gut health.

Early research shows that non-nutritive sweeteners like sucralose and saccharin alter our gut microbiota and not in a good way, as explained in a January 2019 article in ​Advances in Nutrition​. The same goes for stevia.


To avoid these sweeteners, always check the ingredients list first. There are plenty of lower-sugar options that have been lightly sweetened with sugar, honey or even fruit. Plain yogurt is another safe bet.

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2. Choosing Yogurt With No or Limited Live and Active Cultures

As we know, not all brands divulge the number of probiotics, which is measured in CFUs (colony-forming units), in their yogurts. When this is the case, we can't be certain of how much good bacteria we're actually adding to our gut.


Also, although less common, some yogurts on the market are void of any beneficial bacteria at all. They've either been heat-treated post-fermentation, which means the live and active cultures have been killed off, or they may never have been added in the first place (you might get this with non-dairy yogurt brands).

When perusing the yogurt aisle, look for the Live & Active Cultures seal, which ensures there are at least 100 million cultures per gram of yogurt.


3. Opting for Yogurt That's High in Sugar

While some yogurts contain zero added sugar, other brands can pack upwards of 20 grams of added sugar per serving. Limiting added sugar content is important for our overall health and that's why the American Heart Association recommends that no more than 10 percent of your total calories should come from added sugar — although the less, the better.

It is worth noting that added sugar's effect on our gut health is still to be determined. Added sugars are typically quickly absorbed, so they don't actually make their way down to the farther end of our GI tract where our microbes live, Food Insight explains. Also, much of the research in this area has been observational, making it impossible to draw a conclusion of cause and effect.


Regardless, limiting your added sugar intake is a smart play for your general health. When buying yogurt, always check for the amount of added sugar on the nutrition facts label before buying. If you're opting for flavored, choose one with 7 grams of added sugar or less — the lower the better for weight loss and overall health.


Your best bet is choosing a plain or unsweetened version, which is typically free of added sugars, and then adding your own chopped fresh or dried fruit for sweetness.



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