An oft-repeated claim about the candy bar with “chocolate, caramel, and a surprising cookie crunch,” Twix, resurfaced on social media in November 2024 when a user on TikTok posted a video about an alleged difference between the “Left Twix” and “Right Twix.”

The claim posits that the left and right candy bars contained in one package of Twix are actually different. One person replied to the video and said, “It wasn’t always like that but two brothers got the business and couldn’t agree on their recipe so they divided it up to make a right and left Twix.”

This claim has made the rounds before. In 2022, content creators were doing taste tests on YouTube and TikTok in an effort to discover the difference between the “Left Twix” and “Right Twix.” In 2023, a Reddit thread brought the claim to light once again, but this time suggested that it was all just marketing.

Even Mars …