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Reviewed by the Scan Dose Research Team and Clinical Advisory Board

CBD

MODERATE EVIDENCESupplementLast updated

SCAN DOSE SUMMARY

CBD is a non-psychoactive cannabinoid from Cannabis sativa that modulates the endocannabinoid system. FDA approved Epidiolex for epilepsy. Moderate evidence for anxiety (300mg acute dose reduced social anxiety in a 2011 RCT) and epilepsy (Lennox-Gastaut/Dravet syndromes). CYP3A4 and CYP2C19 inhibitor — significant drug interactions. Liver enzyme elevation at high doses. Unregulated CBD market has quality issues (28% of products tested contained less CBD than labeled, 43% were over-labeled). CRITICAL: inhibits CYP3A4 and CYP2C19 — interacts with warfarin, clobazam, valproate. --- *Reviewed by the Dose AI Research Team and Clinical Advisory Board* *Last updated: 2026-04-06*

Scan a supplement containing CBD

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Quality Testing Intelligence

Based on independent third-party laboratory analysis

Category pass rate: ~80% for CBD content. THC contamination is the key risk — 1 in 7 "full spectrum" users fail drug tests.

Common failures:
THC contamination: "Full spectrum" products contain enough THC to fail drug tests
Price gouging: 17x price difference between brands for identical 10mg CBD ($0.12 to $2.09)
Hemp seed oil confusion: Often sold as "CBD" but contains zero CBD
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Reviewed by the Scan Dose Research Team and Clinical Advisory Board | Last updated:

Not medical advice. Based on published clinical research and systematic reviews.

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