London (CNN Business) Mars is set to launch a new line of vegan chocolate bars in the United Kingdom, becoming the first major confectionery company to offer a plant-based alternative to milk chocolate.

The US maker of M&M's and Snickers candy bars confirmed Wednesday that it will offer a vegan range of its popular Galaxy bar.

The bars will come in three flavors — caramelized hazelnut, caramel and sea salt, and smooth orange. At £3 ($3.85) for a 100-gram bar, they cost three times more than regular Galaxy bars.

Tesco TSCDF Ocado OCDDY Amazon AMZN The products will go on sale next week in UK supermarkets includingand grocery delivery service. They will also be sold on

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Kerry Cavanaugh, unit director of chocolate at Mars, told CNN Business that the UK vegan market is "impossible to miss" and "evolving so quickly."

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