(Bloomberg) -- Meal delivery service Daily Harvest says it’s working with the Food and Drug Administration to identify the cause of the problem with its lentil crumbles, following reports of gastrointestinal issues from consumers.

The company voluntarily recalled its Lentil + Leek crumbles on June 19. In an update posted to its Instagram and website on June 22, the company outlined the steps it was taking to resolve customer complaints. 

In addition to reaching out to consumers directly and working with the FDA, Daily Harvest says it has engaged microbiologists, toxin and pathogen experts and allergists from a number of independent labs to look into the matter. All pathogen and toxicology results have come back negative so far, the post says.

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The FDA site lists two new investigations into salmonella outbreaks from June 22, but does not connect them to Daily Harvest or any specific product. 

Daily Harvest first began responding to consumer complaints on Instagram about the product as early as June 15, but didn’t make an official statement on the matter until June 19. The company said it is removing old social posts featuring the crumbles. 

That includes the company’s first Instagram post about the recall, which featured an aesthetically pleasing photo of the Lentil Crumbles, that read, “An important message about our Lentil + Leek Crumbles. Link in bio with details.”

New and dedicated subscribers have flooded the company’s social media to critique Daily Harvest’s public relations management. One user said in an Instagram comment, “Too little, too late. I had literally JUST subscribed to Daily Harvest, but I cancelled today because of how poorly you handled this VERY serious situation. Shame on you.”

Representatives for Daily Harvest referred questions to the company’s statement.

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