Red vs green vs white kratom
Vein colour is how vendors sort kratom. Drying temperature alone can turn the same leaves reddish-brown or green (Zhang 2025), and lab comparisons find no reliable alkaloid difference between colours (Huisman 2023; Ransden 2026).
21+ only. Kratom is not approved by the FDA for any medical use, and nothing here is medical advice. Effects described here are reported by survey respondents, not claims by us.
Reported
What users report, by colour
better able to concentrate
Green60.98
Red49.79
White69.42
feeling more energetic
Green64.46
Red52.93
White66.5
feeling more stimulated
Green52.94
Red48.79
White62.61
feeling more constipated than usual
Green26.45
Red39.39
White41.74
able to stay up all night
Green26.45
Red18.43
White41.14
Reported: mean ratings (0–100) from an anonymous survey of 644 kratom users (Huisman 2023). The same study found no alkaloid difference between the products.