How to Read Kratom Lab Results (Without a Science Degree)

Knowing kratom lab results basics lets you verify any vendor in five minutes. Background: lab-tested guide, our process, GMP.

What a real COA shows

• Identity: confirms Mitragyna speciosa.
• Heavy metals: lead, arsenic, cadmium, mercury vs limits.
• Microbes: yeast/mold, E. coli, salmonella.
• Batch/lot + date: must match current stock — one old COA for everything is a red flag.

Red flags in “testing” claims

• Single outdated COA applied to all products.
• In-house only, no independent lab.
• Alkaloids shown, contaminants skipped.
• Vague “lab-grade” with zero documents.

Full vetting: vendor checklist + 10-point score.

Why it matters by format

Concentration magnifies contaminants — scrutinize extracts (vs powder), shots (guide), and concentrates hardest. Leaf: Green Malay, Bali caps.

Shop tested: all products — $120 min · $25 flat · free $500+: shipping. Help: FAQ.

21+ only. Keep out of reach of children. Do not use if pregnant or nursing. Consult a healthcare professional before use. Do not combine with alcohol or medication. Check your local and state laws — kratom is restricted in some areas. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Contains Mitragyna speciosa.