The Tampa Bay Times tested 20 kratom products. Here’s what we found.

The Times bought the products from online vendors, gas stations, smoke shops and other businesses around the region. Below are the key testing results for each product.
They are ordered most potent to least, by product type, based on mitragynine levels. The Times also tested one product containing a large amount of 7-hydroxymitragynine, another kratom alkaloid that is more potent than mitragynine.
READ ARTICLE FOR SUMMARY OF EACH PRODUCT.
Sample of product summary

• The package the product was sent in came with a printed-out sheet showing testing results for mitragynine, 7-hydroxymitragynine, heavy metals and bacteria. A section of the report showing who ordered the results was blacked out.
• The product’s label advertised “pain relief + mood enhancement.” Federal law prohibits kratom companies from making medical claims on packaging or in advertising because the substance is not an approved drug.
• This product had nine times as much mitragynine as Sharma believes is safe to consume over an entire day.
• This product type was found at the scenes of two kratom-only overdoses in Florida.
• This product type was found at the scene of a kratom-only overdose in Florida.
• This product type was found at the scenes of two kratom-only overdoses in Florida.