Last verified: 5 days ago
Cannabichromene (CBC)
Also known as: CBC, cannabichromene, cannabichromenic acid, CBCA
Evidence under review. — Not yet rated
Minor cannabis compound. Promising in lab studies for pain and cancer, but almost no human trial data.
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What it does
Cannabichromene (CBC) is a non-psychoactive compound found naturally in cannabis plants. In laboratory and animal studies, it has shown potential to reduce pain signals by interacting with nerve...
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Evidence quality
Evidence base hasn't been formally rated yet. See research below.
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Clinical dose
No established dose
What the Science Says
Cannabichromene (CBC) is a non-psychoactive compound found naturally in cannabis plants. In laboratory and animal studies, it has shown potential to reduce pain signals by interacting with nerve cell receptors, inhibit certain cancer cell growth, and fight bacteria. One human clinical trial tested CBC as part of a combination sleep supplement, but found it did not meaningfully improve sleep outcomes beyond CBD alone.
What It Doesn't Do
Not proven to improve sleep on its own. No human evidence it fights cancer. No clinical proof it reduces pain in people. The 'entourage effect' with CBC is mostly marketing — clinical studies haven't confirmed it meaningfully changes how cannabis works in humans. Don't confuse lab results with real-world benefits.
Evidence-Based Benefits
Blocks pain signals in sensory nerve cells in laboratory models of neuropathic pain.
Weak EvidenceEffective at: No established dose
Supporting studies (click to view on PubMed):
CBC-derived compounds show antibacterial activity against certain bacteria in lab tests.
Weak EvidenceEffective at: No established dose
Supporting studies (click to view on PubMed):
Combined with CBD, CBC reduced tumor growth in drug-resistant breast cancer in mice.
Weak EvidenceEffective at: 10 mg/kg CBC (animal study only)
Supporting studies (click to view on PubMed):
Adding CBC to a CBD sleep supplement did not improve sleep beyond CBD alone in a large RCT.
Weak EvidenceEffective at: 15 mg CBC in combination capsule
Supporting studies (click to view on PubMed):
Absorption & Bioavailability
Poor — noted to have notably low oral bioavailability in pharmacokinetic review; animal studies suggest co-administration with CBD may increase absorption
Red Flags to Watch For
- Almost no standalone human clinical trials exist for CBC — nearly all evidence is from lab or animal studies
- Low oral bioavailability means most of what you swallow may not reach your bloodstream
- CBC is often bundled into multi-cannabinoid products, making it impossible to isolate its specific effects
- Cannabis smoke containing CBC was associated with weakened cardiac strain and suppressed anti-inflammatory signaling in animal studies
- 41 registered supplement products contain CBC despite a near-total absence of human efficacy data
Frequently Asked Questions
What does Cannabichromene (CBC) do?
Minor cannabis compound. Promising in lab studies for pain and cancer, but almost no human trial data.
What is the effective dose of Cannabichromene (CBC)?
No established dose
Is Cannabichromene (CBC) safe?
Almost no standalone human clinical trials exist for CBC — nearly all evidence is from lab or animal studies
What doesn't Cannabichromene (CBC) do?
Not proven to improve sleep on its own.
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-11-04