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Sleep & calmWeak evidence

Magnolia bark

Also known as: Magnolia officinalis, honokiol

Magnolia bark is used in traditional Chinese medicine and contains honokiol and magnolol, which act on GABA receptors. In supplements it is used for stress and sleep.

What it is used for

  • easing stress and tension – weak evidence from small studies, often combined with other ingredients
  • sleep support – weak evidence
  • mood during menopause – weak evidence

Forms and how they differ

extract standardised to honokiol and magnolol

look for declared content of these compounds on the label

combinations (e.g. with phellodendron)

composition and doses depend on the label

When to take it

In the evening or when stressed.

Pairs well with

L-theanine, magnesium, lemon balm.

Do not combine / separate

Do not combine with sedatives, sleeping pills or alcohol without consulting your doctor. Take care with blood thinners.

Watch out for

Not suitable in pregnancy or breastfeeding. Before surgery, when taking medicines for mental health or other medicines, consult your doctor.

Safety

May cause drowsiness; do not exceed the label dose.

Practical tip

Start with a low dose in the evening and notice whether you feel groggy in the morning.

Products containing Magnolia bark 1

Magnolia bark 200 mgextract (honokiol) · 200 mg / capsuleStressSleepMood
How to read the evidence rating
Strong evidenceModerate evidenceWeak evidenceNo evidence

Strong = several good human studies or official recommendations; moderate = promising but smaller studies; weak = few studies or mixed results; no evidence = claims not confirmed.

Combination check

Select the supplements you take and, if relevant, your medicines. We show what interferes, what needs a time gap and what to watch out for.

Check Magnolia bark with others

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From the same group

5-HTPWeak evidenceApigeninWeak evidenceCBDWeak evidenceChamomileWeak evidenceGABAWeak evidenceL-theanineWeak evidence
Important notice

This information is educational and does not replace advice from a doctor or pharmacist. We do not give medicine dosages. Supplements are no substitute for a varied diet; if pregnant, breastfeeding, ill or on medication, consult a doctor first.