{"schemaVersion":1,"language":"en","canonical":"https://cbd.bike/guides/how-to-read-cbd-lab-report/","question":"CBD lab reports: how to read a certificate of analysis","answer":"Match the COA to the product batch, then check the laboratory, date, CBD and THC units, detection limits and contaminant panels. A report describes its sample and tests, not every possible risk.","author":{"type":"Organization","name":"Cryptobedrock"},"sourceReviewDate":"2026-10-19","comparison":{"introduction":"The following numbers are hypothetical reading examples. They show the information needed for a comparison, not tested products or suggested servings.","columns":["Label and report","Valid comparison","Missing information"],"rows":[["600 mg in 30 mL; report 20 mg/mL","600 ÷ 30 = 20 mg/mL: the numbers agree on that basis.","Whether the report matches this finished-product batch."],["600 mg in 30 mL; report 20 mg/g","Mass and volume units cannot be equated.","Product mass or a documented density conversion."],["THC marked ND","Read ND with the method’s stated limit.","The limit, units and exact cannabinoid measured."],["Potency results marked pass","This addresses the listed potency test.","Separate contaminant panels and their results."]]},"interpretationScope":"The example calculations do not verify a product. The FSA survey used a particular historical sampling plan.","nextStep":"Save the report and annotate its batch, units and missing panels before asking the seller one specific question.","sources":[{"title":"Food Standards Agency · Analysis of CBD products (2022–23)","url":"https://science.food.gov.uk/article/123685-analysis-of-cbd-products-2022-23"},{"title":"FDA · CBD: risks, side effects and unknowns","url":"https://www.fda.gov/consumers/consumer-updates/what-you-need-know-and-what-were-working-find-out-about-products-containing-cannabis-or-cannabis"},{"title":"FSA · Product analysis, 2022–23 survey","url":"https://science.food.gov.uk/article/123685-analysis-of-cbd-products-2022-23"},{"title":"NIST · Cannabis laboratory comparison, 2024","url":"https://nvlpubs.nist.gov/nistpubs/ir/2024/NIST.IR.8519.pdf"}],"sourceData":{"title":"A label claim and a measurement can differ","caption":"FSA/Fera tested 100 selected products purchased in England and Wales between October 2022 and March 2023. The executive summary reports 49 matching CBD claims, eight above and 43 below.","columns":["Reported classification","Products","Survey scope"],"rows":[["Matched CBD claim","49","Selected England-and-Wales sample"],["Above CBD claim","8","Purchases: Oct 2022–Mar 2023"],["Below CBD claim","43","Not a representative current-market estimate"]],"scope":"This was a tailored sampling study. These counts describe those products and dates, rather than the prevalence of mislabelling in the current global market.","sourceUrl":"https://science.food.gov.uk/article/123685-analysis-of-cbd-products-2022-23"}}