You might not think much about what happens when a cow gets gallstones, but it turns out those little lumps of hardened digestive fluid are worth a fortune right now. Thanks to sky-high demand in mainland China and Hong Kong, where they’ve been used in traditional medicine for thousands of years to treat strokes and other serious conditions, cow gallstones hit $5,800 per ounce in 2025, making them more expensive than gold.
China’s stroke rate is three times higher than in the U.S., which has sent demand soaring. Because most slaughterhouses prefer younger cattle, gallstones remain rare, and that scarcity has triggered actual armed robberies and a black market in cattle-farming regions like Brazil. Chinese researchers have developed lab-grown alternatives that partially mimic the real thing, but natural stones are still considered the gold standard, keeping prices high.
Source: Oddity Central
