Elon Musk's Neuralink rival BrainCo is building a brain-stimulation wearable to suppress appetite without drugs

Detailed summary

The company is hoping to bring the tech to market in two to three years, starting in China before potentially expanding to the U.S.

BrainCo, a Chinese technology company, is developing a new wearable device that it says could help people lose weight by making them feel less hungry. Instead of relying on weight-loss drugs, the device would use brain stimulation to try to reduce hunger.

Nyx He, BrainCo's founding partner, described the concept as an "electronic version of GLP-1" weight-loss drugs when discussing the company's plans at the Bloomberg Tech London event.

There's a growing market for weight-loss treatments. According to a 2026 Gallup survey, 11% of American adults reported using GLP-1 medications for weight loss, up from just 3% in 2024.

BrainCo hopes to bring the device to market within the next two to three years, starting in China before potentially expanding to the U.S.

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