Leaf & Herb · Other

Magnolia Bark Extract (Honokiol)

Provisional Strong Scorebotanical

Hermetica Superfood Encyclopedia

Published March 18, 2026Last updated March 18, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Magnolia bark extract contains honokiol and magnolol, bioactive compounds that modulate GABA receptors and reduce cortisol levels. These lignans provide anxiolytic and sleep-promoting effects through direct interaction with the central nervous system.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryLeaf & Herb

GroupOther

Public Score StatusProvisional Strong

Primary Keywordmagnolia bark extract benefits

Magnolia Bark Extract close-up macro showing natural texture and detail — rich in anxiolytic, neuroprotective, anti-inflammatory

Magnolia Bark Extract (Honokiol) — botanical close-up

Reported Benefits (Provisional)

Promotes relaxation by modulating GABA receptors, reducing anxiety by up to 30% in clinical studies. This effect helps calm the nervous system. - Supports healthy sleep patterns by increasing melatonin production, enhancing sleep quality by 25%. This aids in achieving restorative rest. - Acts as an anti-inflammatory by inhibiting NF-kB pathways, reducing inflammation markers by 20%. This supports overall wellness. - Enhances mood by increasing serotonin levels, which can improve feelings of well-being. This helps combat stress-related mood swings. - Supports cognitive function by protecting neurons from oxidative stress, improving memory retention. This is crucial for maintaining mental clarity. - Boosts immune function by increasing white blood cell activity, enhancing the body's defense mechanisms. This helps in warding off infections. - Aids in weight management by regulating cortisol levels, which can reduce stress-induced weight gain. This supports a balanced metabolism.

Origin & History

Natural habitat

Magnolia Bark Extract, particularly honokiol, is derived from the bark of the Magnolia tree, native to China and other parts of Asia. The bark is harvested and processed to extract honokiol, a bioactive compound with therapeutic properties.

“Used in traditional Chinese medicine for centuries to treat anxiety and improve sleep. Revered for its calming properties.”Traditional Medicine

Research Narrative (Provisional)

Research, including animal studies and some human trials, supports its use for anxiety reduction and sleep improvement. More clinical trials are needed to confirm cognitive benefits.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- Contains honokiol and magnolol, potent bioactive compounds. - Rich in polyphenols with antioxidant properties. - Provides essential oils and alkaloids.

Reported Mechanism (Provisional)

Mechanism of Action

Honokiol acts as a positive allosteric modulator of GABA-A receptors, enhancing chloride ion influx and promoting neural inhibition. The compound also inhibits 5-lipoxygenase and reduces cortisol production by modulating the hypothalamic-pituitary-adrenal axis. Additionally, magnolol increases melatonin synthesis by upregulating N-acetyltransferase activity in the pineal gland.

Clinical Narrative (Provisional)

A randomized controlled trial with 89 participants showed 30% reduction in anxiety scores using 200mg daily magnolia bark extract. Sleep quality studies demonstrate 25% improvement in sleep efficiency with 400mg doses taken before bedtime. Most research consists of small-scale human trials (20-100 participants) and animal studies, indicating promising but limited clinical evidence. Longer-term safety data beyond 12 weeks remains insufficient.

Also Known As

Magnolia officinalisHoupoMagnolia BarkHonokiol ExtractSaiboku-toMagnolia obovataThick-leaved MagnoliaChinese Magnolia Bark

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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