Between 2018 and 2024, MrBeast's subscriber count rose in near-perfect lockstep with US sales of functional mushroom supplements, at a correlation of 0.989. The suggestion that lion's mane is somehow responsible for YouTube algorithmic performance is unsupported by literally all available evidence. It is, however, what the chart shows.
MrBeast's subscriber count climbed from about 13 million in 2018 to over 300 million by 2024, powered by content scale and algorithmic favoritism. US functional mushroom supplement sales grew from under $8 million in 2018 to over $200 million by 2024, riding the wellness-industrial complex's pivot from traditional vitamins to adaptogens, nootropics, and anything that could plausibly be described as brain-supportive on TikTok. Both trends are expressions of the same consumer cohort — young, digitally fluent, willing to try things based on a short video — and the same content distribution mechanisms that turned specific creators and specific supplement categories into generational phenomena simultaneously.
Seven years of two lines rising together usually describes a single consumer cohort discovering two new products at once. The streamer and the mushroom found the same audience. Neither is responsible for the other.
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Want to learn more about why correlations like “MrBeast YouTube subscribers” vs “U.S. functional mushroom supplement sales” don't prove causation? Read our guide to statistical thinking.
