Companies Are Using Reddit to Manipulate ChatGPT and Google AI Search

Peptide and hormone replacement therapy companies have been systematically posting to r/biohackers to manipulate AI-generated search answers on ChatGPT and Google through a practice called AI-engine optimization (AEO). The strategy involves creating high-engagement threads through vague questions and embedding brand mentions in locations most likely to be scraped and weighted by AI systems. Moderators responded by restricting standalone peptide and HRT posts to weekly megathreads.

Source: r/ChatGPT | 2026-06-03