The Science

Research-Backed Insights on Kratom

We track the latest developments on kratom’s effects, risks, and therapeutic potential—reviewing the findings that matter most.

Understand Our Approach

How Much Kratom Is Safe? Here’s What the First FDA Study Found

Reviewed: July 18, 2025
Published: April 10, 2024

This dose-finding study found no serious adverse effects in humans, even at high doses. Learn more about the FDA’s findings.

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Kratom for Healthcare Providers

Reviewed: July 17, 2025
Published: December 15, 2023

While limited adverse effects and tolerance build were observed, more conclusive research is still needed.

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Safety & Toxicology Update

Reviewed: July 17, 2025
Published: October 3, 2022

This paper reviews kratom’s safety and evaluates its therapeutic potential based on global data.

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Kratom Strains Explained: What Expert Researchers’ Lab Tests Reveal About Red, Green & White

Reviewed: July 21, 2025
Published: September 2018

This lab study analyzed the alkaloid profiles of red, green, and white kratom strains — showing meaningful chemical differences between them.

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Kratom Effects by Strain Color: What 6,000+ Users Say About Red, Green, and White Veins

Reviewed: July 21, 2025
Published: July 2023

Based on survey data from over 6,000 users, this study explores how red, green, and white strains differ in reported effects like energy, sedation, or pain relief.

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