Review finds kratom evidence insufficient for treating age-related diseases

Why it matters

Older adults often take several medicines, so possible interactions matter when assessing kratom use. A review of age-related diseases finds that laboratory results and observational studies do not establish treatment benefits or long-term safety in this population.

The big picture

The authors reviewed literature on diabetes, Alzheimer's disease, Parkinson's disease, osteoarthritis and cardiovascular disease. This is a qualitative synthesis of existing research, not a new clinical trial. Its disease-specific discussion separates experimental mechanisms from the evidence needed to guide treatment in older adults.

Key findings

• The review searched PubMed, Scopus and Google Scholar for literature published mainly from 2000 through 2026 and qualitatively assessed pharmacology, human evidence and safety.
• Most evidence comes from cell experiments, animal models or observational human studies; these designs cannot establish effective dosing or disease-modifying benefits in older adults.
• A cited crossover study of 10 participants examined an acute glucose response to kratom tea. The authors say it does not establish efficacy for ongoing diabetes management.
• The authors identify potential medicine interactions, heart-rhythm concerns, dependence and withdrawal as safety issues. They note that co-ingestants and inconsistent product composition complicate attribution of serious adverse events.
• The review calls for well-controlled human trials with characterized products, explicit dosing and clinically meaningful outcomes, including targeted safety and drug-disposition studies in older adults.

What they say

The authors write: "Current evidence is primarily based on preclinical studies with limited clinical data; the long-term safety profile has not yet been established, especially regarding herb-drug interactions in older adults who usually take multiple medications."

Bottom line

This review identifies research questions about kratom and ageing; it does not establish kratom as a treatment for age-related disease.