Mood/Sleep

Magnolia Bark

Herbal extract from Magnolia officinalis used for stress and sleep, with limited evidence for anxiety and cortisol reduction in stressed adults.

Magnolia Bark

Herbal extract from Magnolia officinalis used for stress and sleep, with limited evidence for anxiety and cortisol reduction in stressed adults.

score

evidence

Caution

risk

Proven Benefits

01May reduce stress and anxiety

02May improve sleep quality

03May lower cortisol levels

Chemical Forms

Recommended

Standardized magnolia bark extract
Magnolia officinalis bark extract

Avoid

Raw bark powder (unstandardized, variable potency)

Expert Note

Clinical trials typically use standardized bark extracts with honokiol and magnolol rather than raw powder. Standardization gives more predictable exposure to the active compounds and avoids the wide batch-to-batch variability seen with unprocessed bark.

Protocol

Amount

200-400 mg

Frequency

Once or twice daily

When

Evening or 30-60 minutes before bed for sleep; can split dose morning and evening for stress.

Condition-Based Dosing

Mild stress or anxiety

200-400 mg daily of standardized extract— Often studied with Phellodendron in proprietary blends, so magnolia-specific effects are uncertain.

Sleep-onset difficulty

400-600 mg, 30-60 minutes before bed— Start low to gauge next-day drowsiness.

Safety & Limits

Upper Safe Limit

No established UL; 800 mg/day of standardized extract is a practical ceiling because long-term safety data are limited.

Cycling

Safe for continuous use

Contraindications

Pregnancy or breastfeeding - insufficient safety data

Sedative medications (benzodiazepines, sleep aids) - risk of excessive sedation

Bleeding disorders or anticoagulant therapy - theoretical risk due to antiplatelet activity

Surgery - discontinue 2 weeks prior due to theoretical bleeding and sedation risks

Avoid Combining With

✕Alcohol and sedative drugs (risk of additive CNS depression)
✕Caffeine in the evening (may counteract sleep benefits)

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