NEW YORK (AP) — Coke is coming out with premium milk that has more protein and less sugar than regular. And it’s betting people will pay twice as much for it.

The national rollout of Fairlife over the next several weeks marks Coca-Cola’s entry into the milk case in the U.S. and is one way the world’s biggest beverage maker is diversifying its offerings as Americans continue turning away from soft drinks.

It also comes as people increasingly seek out some type of functional boost from their foods and drinks, whether it’s more fiber, antioxidants or protein. That has left the door open for Coke step into the milk category, where the differences between options remain relatively minimal and consumption has been declining for decades.

“It’s basically the premiumization of milk,” Sandy Douglas, president of Coca-Cola North America, said at an analyst conference in November. If developed properly, Douglas said it is the type of product that “rains money.”

Fairlife, which Coca-Cola formed in partnership with dairy cooperative Select Milk Producers in 2012, says its milk goes through a filtration process that’s akin the way skim milk is made. Filters are used to separate the various components in milk. Then, more of the favorable components are added, while the less desirable ones are kept out.

The result is a drink that Fairlife says is lactose free and has 50 percent more protein, 30 percent more calcium and 50 percent less sugar than regular milk.

The same process is used make Fairlife’s Core Power, a drink marketed to athletes that has even more protein and calcium than Fairlife milk.

Sue McCloskey, who developed the system used to make Fairlife with her husband Mike McCloskey, said Fairlife will be marketed more broadly to women who are the “gatekeepers” for their families’ nutritional needs.

Even while touting its nutritional advantages, however, Fairlife will need to be careful about communicating how its drink is made. Jonas Feliciano, senior beverage analyst for market researcher Euromonitor, noted people want drinks that “do something for me,” but that Fairlife’s juiced-up nutritional stats may make people hesitant about how natural it is.

“They have to explain that this is not an abomination of nature,” Feliciano said.

Already, Fairlife has been subject to some teasing. After the drink was referenced in Coke’s analyst presentation, comedian Stephen Colbert referred to it as “extra expensive science milk” and made fun of the elaborate way it’s made.

“It’s like they got Frankenstein to lactate,” he said.

Colbert also took a dig at the wholesome image Fairlife is trying to project, noting that it’s made by the “nature loving health nuts at Coca-Cola.” That may explain why Coca-Cola is distancing itself from the product; a representative for the Atlanta-based company referred questions to Fairlife’s outside representative.

In a phone interview, Fairlife CEO and former Coke executive Steve Jones said he thinks his company can help reverse the ongoing decline in milk consumption by offering a superior product. Major retailers including Wal-Mart, Target, Kroger and Safeway have agreed to carry it and Coca-Cola’s Minute Maid team plans to make it available wherever milk is sold.

The drink, which comes in a sleek plastic bottle reminiscent of milk cartons, has already started appearing on shelves and is expected to continue rolling out nationally over the next several weeks.

At a supermarket in Indianapolis, a 52-ounce bottle of Fairlife was being sold for $4.59. By comparison, the national average cost for a half-gallon of milk, which is 64 ounces, is $2.18, according to the USDA. For organic milk, the average is $3.99.

Fairlife is just one of many ventures by Coca-Cola, which also recently took stakes in energy drink maker Monster Beverages and Keurig Green Mountain, which makes single-serving coffee machines and pods.

Over time, Coca-Cola is hoping premium milk can become a significant driver of growth. For now, Fairlife is still trying to find its footing in the marketplace.

This summer, the company ran ads in the test markets of Minneapolis and Denver featuring women wearing nothing but milk splashes in the shape of dresses. The images were accompanied by phrases like, “Better Milk Looks Good On You,” leading them to be deemed sexist in some corners.

Jones said the ads were intended to be “disruptive,” since new products need to grab people’s attention. But moving forward, Fairlife plans to focus on its authentic milk taste and the farmers who produce it in national marketing, which will roll out around the end of March or April.

While declining to provide details, Jones said Fairlife intends to “crank up the awareness level very, very quickly.”

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Follow Candice Choi at www.twitter.com/candicechoi