A popular dietary supplement is being pulled from the market after the U.S. Food and Drug Administration (FDA) warned that it could contain hidden ingredients linked to “severe or fatal physiological effects" and urged consumers to stop using it.

What The Supplement Is

The recall affects Better Weather-branded “FixElixir,” a small 15 ml bottle of dietary supplement sold nationwide in the U.S., mainly online.

It was marketed as a quick, convenient ‘fix’ for wellness or performance, and came in at least two versions: The original and a “Berry” flavor.

Why It’s Being Recalled

The issue comes down to what was found inside the product—and what wasn’t listed on the label.

The FDA says that the elixir may contain mitragynine and mitragynine pseudoindoxyl, which are compounds tied to kratom, a plant known for its opioid-like effects.

The substances were not disclosed on the ingredient list, and that’s a major problem.

These compounds are not approved for use in dietary supplements, and people taking the…