'Gas Station Heroin' Supplement Causes Seizures, Loss Of Consciousness, FDA Warns

Neptune’s Fix, is a product sold illegally with claims to improve brain function and treat conditions such as anxiety, depression, pain, and opioid use disorder. (Credit: Image provided on FDA site)

The U.S. Food and Drug Administration (FDA) has warned consumers not to purchase or use Neptune's Fix, a supplement dubbed "gas station heroin," following reports of seizures and loss of consciousness associated with it.

Neptune's Fix, a product sold illegally with claims to improve brain function and treat conditions such as anxiety, depression, pain and opioid use disorder, contains a potentially dangerous substance called tianeptine.