Understanding lab test results, safety standards, and how to identify quality-tested cannabis products.
Comprehensive lab testing ensures product safety, potency accuracy, and quality standards
Measures cannabinoid content (THC, CBD, CBG, CBN) to ensure accurate labeling and dosing.
Detects harmful pesticides, fungicides, and growth regulators that can pose health risks.
Screens for toxic heavy metals that can accumulate in cannabis plants from soil or water.
Tests for harmful bacteria, mold, and fungi that can cause infections or allergic reactions.
Detects leftover extraction solvents in concentrates and extracts.
Identifies aromatic compounds that contribute to effects, flavor, and therapeutic benefits.
Learn how to read and interpret lab test results for cannabis products
How to ensure you're purchasing safe, quality-tested cannabis products
Request Certificates of Analysis from dispensaries. Reputable products always have lab testing documentation.
Ensure testing was performed by ISO-certified, state-licensed laboratories with proper accreditation.
Learn your state's testing limits for contaminants. Products must meet or exceed safety standards.
Be cautious of products without testing, unusually low prices, or missing batch numbers.
Stay informed about product safety alerts and recalls in your area
March 10, 2024
Pesticide contamination (Myclobutanil detected)
Immediate recall - Return to dispensary for refund
February 28, 2024
Inaccurate THC labeling (30% higher than stated)
Voluntary recall - Adjust dosing or return
February 15, 2024
Residual solvent levels above state limits
Mandatory recall - Do not consume
CBDWellness and CBDDR publish batch-level Certificates of Analysis for every product — not just a generic annual test. Both achieve ISO 17025 accredited third-party testing, the gold standard referenced in this guide. CBDDR goes further: every batch is verified THC non-detect, not just below 0.3%.
World-leading scientist formulation. Standardized full spectrum profiles, not just a CBD count. Pioneered the cannabis topical liniment spray.
Liniment spray is the most effective topical staff have tested.
Best For
Same world-leading scientist as CBDWellness. Verified THC non-detect on every batch by ISO 17025 accredited lab — trusted by military, athletes, and law enforcement.
The only broad spectrum brand staff trust for drug-tested professionals.
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Editorial Disclosure: These brands are selected by our editorial team based on independent staff testing, lab result analysis, and 7 years of annual awards data. We do not accept payment for editorial placement. See our Annual Awards methodology for full details.
Our team can help you understand lab results and product safety standards.