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Supplements/Compound

Dihydromyricetin (Extra)

Hovenia dulcis flavanonol that accelerates ethanol clearance.

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Overview

Hovenia dulcis flavanonol that accelerates ethanol clearance.

Natural sources
  • Endogenously produced or biosynthesized molecule
  • Standardized pharmaceutical- or food-grade supplement
  • Combined with cofactors that improve absorption or activity
Common forms
  • Capsule or softgel
  • Powder
  • Sublingual or buccal
  • Liposomal liquid

Forms & variants of Dihydromyricetin (DHM)

Different chemical forms of Dihydromyricetin (DHM) behave differently. Browse each form's mechanism, bioavailability, and best-use context.

Mechanism of action

Upregulates alcohol and aldehyde dehydrogenases; positive allosteric modulator at GABA-A α1.

Pathways
  • · Upregulates alcohol
  • · aldehyde dehydrogenases
  • · positive allosteric modulator at GABA-A α1

Effects on the body

Decreases
hangover severity in small trials

Organ system effects

Liver

Dihydromyricetin (Extra) supports hepatocyte antioxidant defenses (glutathione, Nrf2) and phase-I/II detoxification.

Evidence-based benefits

Reduces hangover severity in small trials

Limited evidence

Potential side effects

Common
  • · GI upset
Rare
    Serious

      Drug interactions

      Prescription medications (general)
      Always disclose Dihydromyricetin (Extra) use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.
      minor

      Supplement interactions

      Pairs well with
      • Milk thistle (silymarin)
        Complementary hepatoprotective antioxidant pathways.
      • NAC
        Restores hepatic glutathione.
      Avoid combining with

      No specific avoidances listed.

      Dosing & bioavailability

      Typical dose
      300–600 mg before and after drinking
      Best form
      Most evidence is based on the capsule or softgel form.
      Timing
      Consistent daily timing recommended; split larger doses if GI tolerance is a concern.
      With food?
      With 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
      AnimalJ Neurosci · 2012

      DHM in alcohol intoxication (rat)

      Shen Y, et al.

      Rats given ethanol with or without DHM.

      Key findings

      DHM reduced sedation, withdrawal, and ethanol preference.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Dihydromyricetin (Extra) — Reduces hangover severity in small trials

      Live PubMed search

      Live results for "Dihydromyricetin (Extra) Reduces hangover severity in small trials" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Dihydromyricetin (Extra) and "Reduces hangover severity in small trials". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Dihydromyricetin (Extra) — randomized controlled trial

      Live PubMed search

      Live results for "Dihydromyricetin (Extra) randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Dihydromyricetin (Extra) and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Dihydromyricetin (Extra) — meta-analysis

      Live PubMed search

      Live results for "Dihydromyricetin (Extra) meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Dihydromyricetin (Extra) and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Dihydromyricetin (Extra) — pharmacokinetics

      Live PubMed search

      Live results for "Dihydromyricetin (Extra) pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Dihydromyricetin (Extra) and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Dihydromyricetin (Extra) — safety adverse events

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      Live results for "Dihydromyricetin (Extra) safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

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      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Dihydromyricetin (Extra) — dose response

      Live PubMed search

      Live results for "Dihydromyricetin (Extra) dose response" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Dihydromyricetin (Extra) and "dose response". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewGoogle Scholar · 1970

      Google Scholar: Dihydromyricetin (Extra) — clinical evidence

      Live Scholar search

      Cross-database citation index for Dihydromyricetin (Extra) 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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