Collagen supplements are marketed as a holy grail anti-aging product. Bovine collagen is made from cattle hides, and a new investigation from the Bureau of Investigative Journalism traced the supply chain of some collagen companies all the way to deforestation in the Brazilian Amazon.

Elisângela Mendonça is a London-based Brazilian journalist with the Bureau of Investigative Journalism. Her reporting pulls back the curtain on the dark side of the booming collagen industry.

This episode originally aired on March 27, 2023.

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