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Supplements/Nootropic

9-Me-BC

aka 9-Methyl-β-carboline

β-carboline alkaloid that upregulates dopamine neurons in animal models.

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Overview

β-carboline alkaloid that upregulates dopamine neurons in animal models.

Natural sources
  • Manufactured pharmaceutical-grade compound
  • Standardized botanical extract (for plant-derived nootropics)
  • Stack formulations combined with cholinergic or adaptogenic ingredients
Common forms
  • Capsule
  • Powder for stacking
  • Sublingual tablet
  • Liposomal liquid

Mechanism of action

MAO-A inhibition plus dopaminergic neurogenesis in substantia nigra (rodent data).

Pathways
  • · MAO-A inhibition plus dopaminergic neurogenesis in substantia nigra (rodent data)

Effects on the body

Increases
dopamine neuron count in rats

Organ system effects

Brain & CNS

9-Me-BC acts on central nervous system targets implicated in attention, memory, and neuroprotection.

Evidence-based benefits

Increases dopamine neuron count in rats

Limited evidence

Potential side effects

Common
  • · Headache
Rare
    Serious
    • · Limited human safety data

    Drug interactions

    Prescription medications (general)
    Always disclose 9-Me-BC use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.
    minor

    Safety & non-supplemental interactions

    Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.

    Avoid if you are
    • ·Pregnant or breastfeeding (insufficient safety data)
    • ·Children under 18 (unless directed by a clinician)

    Supplement interactions

    Pairs well with
    • Omega-3 (EPA/DHA)
      Membrane fluidity and neuronal signaling support.
    • Alpha-GPC or CDP-choline
      Provides choline substrate for acetylcholine synthesis.
    • NAD+ precursor (NMN or NR)
      Complementary mitochondrial and sirtuin support.
    Avoid combining with

    No specific avoidances listed.

    Dosing & bioavailability

    Typical dose
    10–50 mg (experimental)
    Best form
    Most evidence is based on the capsule form.
    Timing
    Consistent daily timing recommended; split larger doses if GI tolerance is a concern.
    With food?
    Either with or without food.

    Where to buy

    Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.

    Scientific evidence8Show studies
    AnimalNeurosci Lett · 2010

    9-Me-BC restores dopamine in MPTP-lesioned mice

    Polanski W, et al.

    Mouse Parkinson's model treated with 9-Me-BC.

    Key findings

    Restored striatal dopamine and TH-positive neuron count.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: 9-Me-BC — Increases dopamine neuron count in rats

    Live PubMed search

    Live results for "9-Me-BC Increases dopamine neuron count in rats" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching 9-Me-BC and "Increases dopamine neuron count in rats". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: 9-Me-BC — randomized controlled trial

    Live PubMed search

    Live results for "9-Me-BC randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching 9-Me-BC and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: 9-Me-BC — meta-analysis

    Live PubMed search

    Live results for "9-Me-BC meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching 9-Me-BC and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: 9-Me-BC — pharmacokinetics

    Live PubMed search

    Live results for "9-Me-BC pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching 9-Me-BC and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: 9-Me-BC — safety adverse events

    Live PubMed search

    Live results for "9-Me-BC safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching 9-Me-BC and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: 9-Me-BC — dose response

    Live PubMed search

    Live results for "9-Me-BC dose response" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching 9-Me-BC and "dose response". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewGoogle Scholar · 1970

    Google Scholar: 9-Me-BC — clinical evidence

    Live Scholar search

    Cross-database citation index for 9-Me-BC as it relates to "clinical evidence".

    Key findings

    Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

    Open study
    Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.

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