Costco sells lots of products under its Kirkland Signature brand, but most are made by other companies. This is the popular ...

You might think bacteria in your food is a bad thing—and it in some cases it can be (food poisoning, anyone?). But in live-culture yogurt, beneficial bacteria can help keep your gut healthy, say ...

Most Greek yogurt brands contain the same basic ingredient: milk. The dairy is fermented with live cultures and then strained to remove whey, the liquid formed during the separation and curdling ...