How an A.I. Monk Operating from a Server in Tokyo is Selling Millions in Supplements to Americans

You’ve most likely seen him if you browse Instagram late enough at night. With his eyes half closed and his lips barely moving, a monk dressed in saffron robes sits cross-legged in a gentle golden light and murmurs something about the gut microbiome and gratitude. The captions are kind. It’s a warm voice. The bottle in the frame’s corner is consistently of the same brand. Depending on which clip you land on, he goes by Yang Mun. 2.5 million people follow him. There is no such thing as him.

The internet took an unexpectedly long time to catch up with that final section. In April, Jack Brewster’s widely shared post revealed that the figure was entirely artificial, with a voice created by ElevenLabs, a face created by Midjourney, and a B-roll of hazy mountains pieced together in Runway. A server farm somewhere in Tokyo and an operator who has never had to appear on camera are said to be behind it all. The entire technological stack is now widely accessible, reasonably priced, and constantly evolving. The fact that someone built this is what’s remarkable. How well it sold is what matters.

It turns out that a man without a body can sell a lot of capsules to Americans. A significant portion of the US supplement market, which generates about $50 billion annually, has always been based on parasocial trust, or the belief that a person you “know” online supports the product. Yang Mun provides a shortcut for that trust. He appears to be wise. He seems to be at ease. He never tweets the wrong thing, never gets caught at a bar, and never has a bad day. He is nearly too simple for an algorithm trained on engagement.

The business plan is similar to what we’ve observed in other places this year. Matthew Gallagher relied on AI for code, copy, advertisements, and customer service to grow Medvi, a GLP-1 telehealth company, into a $401 million business in 2025 with just himself and his younger brother. The one-person billion-dollar business was foreseen by Sam Altman. Gallagher was almost there. Yang Mun is the same concept, but she’s wearing robes. The product is unique. There is no difference in the architecture. Sitting in front of laptops, one or two people operate a content factory that imitates a wellness brand with a full workforce.

The costume is what makes the monk version unnerving. No matter how aggressive, selling weight-loss medications via telehealth at least requires actual prescriptions and licensed providers at some point in the supply chain. A digital monk who suggests an immune-support blend works in a more subdued, murky environment where wellness is close by, regulations are light, and the FDA and FTC are watching from a distance but are rarely close enough to take immediate action. Watching the clips gives the impression that the persona is performing tasks that the product itself is unable to perform, such as adding weight, calmness, and the appearance of ancient knowledge.

It’s difficult to avoid wondering what will happen if this becomes the norm. The Tokyo server is an exotic, slightly ridiculous, and perfectly modern detail that almost seems like it was created for a magazine pitch, but the precedent is more important than the location. The next operator won’t bother with subtlety if a phony monk can sell millions of pills to American consumers in less than a year. Anticipate artificial physicians. Kitchen recipes and artificial grandmothers. Sleep aids are sold by synthetic veterans. The infrastructure is already in place.

As I watch this develop, Yang Mun isn’t the main source of unease. Something else will take his place as he fades. The discomfort stems from the speed at which trust became a commodity and the willingness of the rest of us to click, purchase, share, and subscribe to a man who was nothing.