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Singapore bodybuilder's death linked to banned weight-loss chemical

A coroner has determined that a young Singapore bodybuilder died after consuming DNP, a highly toxic substance banned in the United States for nearly a century. The chemical, listed as a poison under local regulations, is sometimes used illicitly in fitness communities to accelerate weight loss.

LSN Singapore · 16 October 2026

Singapore bodybuilder's death linked to banned weight-loss chemical

A coroner's inquiry has concluded that a young Singapore bodybuilder died from complications related to 2,4-Dinitrophenol, commonly known as DNP, a dangerous chemical he had taken to lose weight. The substance is banned in the United States for nearly 90 years and is classified as a poison under Singapore's regulations.

DNP works by dramatically increasing metabolic rate and body temperature, causing rapid weight loss. However, the chemical has an extremely narrow margin between an "effective" dose and a toxic one, making accidental overdose a significant risk. Users cannot easily control the drug's effects once ingested, and there is no antidote for DNP poisoning.

The case highlights growing concerns within Singapore's fitness community about the use of illicit and unregulated substances to achieve rapid body composition changes. Health authorities have warned that performance-enhancing drugs and weight-loss chemicals purchased through underground channels pose severe health risks, including organ damage, uncontrollable hyperthermia, and death.

The coroner's findings underscore the dangers of obtaining pharmaceutical substances outside medical supervision. Experts have urged bodybuilders and fitness enthusiasts to pursue safe, regulated methods of weight management and to report any knowledge of DNP distribution to authorities.