Herb Profile
Kanna
Botanical profile with evidence, safety, and practical fit.
Last reviewed: •3 human studies cited
C PreliminaryUse extra caution — CNS active and potentially serotonergic. Details
- Evidence
- Limited Human Evidence
- Typical onset
- Varies by prep
- Safety rating
- High caution
- Best for
- Mood Support, Anti Anxiety, Empathogen, Stress
- Avoid / review if
- Pregnancy/Breastfeeding, Bipolar/Mania Risk, Serotonin Syndrome Risk
Monograph visual
Kanna
The Hippie Scientist
Where to go next — guides & comparisons
Continue reading
- If you want help with anxiety or stress → Anxiety & stress guides
- If you want to browse more herbs → All herbs
Safety & Cautions
CNS active and potentially serotonergic. Avoid casual stacking with antidepressants or empathogenic/stimulant products.
28%
High caution — review carefully
Detailed safety fields
Pregnancy, breastfeeding, and contraindications
- - Pregnancy/Breastfeeding
- - Bipolar/Mania Risk
- - Serotonin Syndrome Risk
- - Active Psychiatric Medication Use Without Clinician Oversight.
- - Avoid Or Clinician Review With SSRIs
- - SNRIs
- - MAOIs
- - TCAs
- - Lithium
- - Tramadol
Safety classifications
- - Interaction-Aware: Medication or interaction context is explicitly noted.
- - Stimulant-Like Profile: Stimulant-like or activating caution language is present.
- - Pregnancy/Breastfeeding Caution: Pregnancy or breastfeeding caution language is present.
Full safety note
- - CNS active and potentially serotonergic. Avoid casual stacking with antidepressants or empathogenic/stimulant products.
Safety labels
- - Interaction-Aware
- - Stimulant-Like Profile
- - Pregnancy/Breastfeeding Caution
Evidence-based safety
Caution when combined
These pairings share a flagged risk mechanism. They are additive-effect cautions derived from contraindication data, not confirmed clinical interactions. Consult a clinician before combining.
High-Priority Caution
26 flagged pairingsSerotonergic activity
High-Priority Caution
26 flagged pairingsSerotonergic activity
Browse the grouped cautions below. The list scrolls inside this card when long.
Serotonergic activity
- 5-HTP
- Caffeine
- crocetin
- crocin
- Crocus Sativus
- Damiana
- DMT
- Ginkgo
- Panax Red Ginseng
- Panax White Ginseng
- Harmaline
- Harmine
- Mucuna
- Mucuna pruriens
- Passionflower
- Passionflower
- Passionflower Extract (Standardized)
- Phenylalanine
- Rhodiola
- Rhodiola Extract SHR-5
- Saffron
- Saffron Extract
- St. John's Wort (Hypericum perforatum)
- Tryptophan
- Yohimbe
- Yohimbine
Evidence Summary
Evidence lens
Early signal that needs stronger human replication before practical claims.
PreliminaryLimited Human Evidence
Human clinical evidence: Present in source signals
Mechanistic / preclinical: Mechanism mapped — Neurotransmitter Modulation · Stress Response Modulation
Research maturity: Preliminary or mixed — Long Term Human Evidence May Be Limited.
Safety boundary: Safety note available — CNS active and potentially serotonergic.
This profile cites 3 human studies.
How evidence grades work
Each grade reflects the strength and consistency of published human evidence — not marketing claims. Grades are based on study count, design quality, effect size, consistency, and recency.
A
Strong
Multiple RCTs, consistent direction, adequate effect size
B
Moderate
Some RCTs or consistent observational data in humans
C
Preliminary / Mixed
Animal or in-vitro only, or conflicting human data
D
Traditional / Theoretical
Traditional use only; no controlled human trials
Clinical Study Summaries (3)Cited studies informing this profile. RCTs and reviews shown first.
| Study | Type | Sample | Source |
|---|---|---|---|
A Chewable Cure "Kanna": Biological and Pharmaceutical Properties of Sceletium tortuosum Manganyi MC et al. (2021) | — | — | PubMed → |
Mesembrine alkaloids: Review of their occurrence, chemistry, and pharmacology Krstenansky JL et al. (2017) | — | — | PubMed → |
Meyer GM et al. (2015) | — | — | PubMed → |
Dosing & Timing
Dose guidance
Preparation specific; use standardized product label for Fermented aerial material and require source backed dosage review before therapeutic claims.
How Kanna Works
Simplified mechanism pathway based on preclinical and pharmacological evidence. Does not confirm clinical efficacy.
Mechanism Pathway — How Kanna Works
CompoundTarget / ReceptorMechanismEffect / Outcome
Mechanisms & Biological Pathways
Preclinical pathways
Proposed mechanisms from in vitro and animal research; these do not confirm clinical outcomes in humans.
Neurotransmitter ModulationStress Response Modulation
Active Compounds
Key constituents studied in Kanna, with full pharmacology and safety profiles.
Condition guides
Compare & Sourcing
Compare side-by-side tradeoffs or verify active marker guidelines.
Review available sources for Kanna
Independent database mapping — evaluated separately from safety and efficacy scores.
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Affiliate-ready sourcing
Kanna product picks
Affiliate recommendations for Kanna. Review safety, dose, and product quality before buying.
Affiliate disclosure: we may earn a commission from qualifying links at no extra cost to you. How we stay independent.
Product Form & Quality Guidelines
When sourcing Kanna, verify the label for:
- Standardized Extract: Confirm active content percentages on the supplement facts panel (e.g. standardized to specific marker compounds) rather than simple raw herb weights.
- Third-Party Testing: Look for independent purity labels (USP, NSF, ConsumerLab, or Eurofins) to ensure the product is free from heavy metals, solvents, and contaminants.
- Form Bioavailability: Ensure the form matches evidence-supported configurations (e.g. standardized active extracts like bacosides, withanolides, or curcuminoids) for optimal onset and digestion tolerance.
Safety first · Harm reduction
This information is educational and not medical advice. Start low, avoid risky combinations, and consult a licensed clinician before making health decisions—especially if you use medications, have diagnosed conditions, or are pregnant/breastfeeding.
Learn how we evaluate confidence, safety, and intensity on the methodology page.
Editorial Review
Checked against primary sources, cited evidence, and contraindication language before publication. Evidence claims, safety language, and affiliate modules are reviewed independently. Not personal medical advice.
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Botanical profile context
How to interpret Kanna
Kanna dosage ranges, effects, drug interactions, and harm-reduction safety guide for mood support. Limited Human Evidence research evidence. Use this herb profile as a starting point for evidence review, not as a recommendation to start a new supplement. Botanical products can vary by plant part, extract ratio, standardization, dose, and contaminant testing, so two labels with the same common name may not behave the same way.
When reviewing Kanna, compare the traditional-use context against the human evidence, mechanism notes, and safety cautions. Pay special attention to pregnancy, breastfeeding, liver or kidney disease, blood-pressure effects, sedation, stimulation, anticoagulant use, antidepressants, and any prescription medication overlap.
For product decisions, prefer transparent labels, named extracts, clear serving sizes, and third-party quality testing. Avoid treating a long list of possible mechanisms as proof that an herb will solve a specific condition.