Surinamese sprinter Issamade Asinga has lost his appeal against a four-year doping ban after claiming that contaminated Gatorade gummies he received as part of a prize caused his positive test.

The Court of Arbitration for Sport (CAS) upheld the World Athletics sanction on Thursday, confirming that the 20-year-old remains ineligible from May 2024, with credit for his provisional suspension served since August 2023.

Asinga tested positive for metabolites of the banned substance GW1516 during an out-of-competition control in July 2023, prompting a suspension by the World Athletics Integrity Unit (AIU).

The Atlanta-born athlete argued that the result stemmed from Gatorade gummies given to him after being named the brand's 2023 U.S. national boys track and field player of the year, saying h

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