Minnesota Vikings wide receiver Michael Floyd‘s recent failed alcohol test was attributed to him drinking “several bottles” of kombucha tea in a statement released Friday via ESPN’s Adam Schefter.

Floyd is on house arrest after being arrested for DUI in Arizona in December, and is prohibited from consuming alcohol. The veteran wide receiver was released by the Arizona Cardinals on Dec. 14, following the arrest.

Here’s the statement:

Michael Floyd started his 96-day home monitoring on March 13, 2017. During this time period, Michael was tested a minimum of six times per day. For the first 90 days, Michael’s blood alcohol content was 0.0 for all of his 500 plus tests.

On June 10, 2017, Michael watched movies at his place of residence until 3:00 a.m. During that time, he drank several bottles of kombucha tea drinks, unaware that the drinks contain alcohol.

On June 11, 2017 at 5:30 a.m., Michael was tested and his blood alcohol content was .055. Michael was tested again at 5:54 a.m. and his blood alcohol content was down to .045. Michael was tested again at 6:23 a.m. and his blood alcohol content was .044. He then went back to sleep and missed a test at 6:33 a.m.

Michael was five days away from the end of his home monitoring. Prior to and after this incident, Michael has not had any alcohol whatsoever since the start of his home monitoring. Unfortunately, the kombucha teas that Michael did drink resulted in a positive blood alcohol content reading. As a result, the Court wishes to hear from Michael on June 26. At that time, Michael will have an opportunity to explain how this unfortunate test result happened.

The Vikings said Friday they’d withhold comment while gathering more information.

After being released by the Cardinals, Floyd joined the New England Patriots, but was inactive for Super Bowl LI.

He signed with the Vikings on a one-year, $1.5-million contract on May 10.

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