# Seditol (Magnolia officinalis, Ziziphus spinosa)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/seditol
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-29
**Evidence Score:** 2 / 10
**Category:** Other
**Also Known As:** Magnolia officinalis bark extract, Ziziphus spinosa seed extract, Houpo and Suanzaoren combination, Magnolia and Jujube seed extract, Chinese magnolia and spiny jujube blend, Semen Ziziphi Spinosae and Cortex Magnoliae, Zizyphus jujuba var. spinosa extract

## Overview

Seditol is a patented blend of Magnolia officinalis bark extract and Ziziphus spinosa seed extract, standardized for honokiol, magnolol, and spinosin. These bioactive compounds modulate GABA-A receptors and reduce [cortisol](/ingredients/condition/stress) activity to promote relaxation and improve [sleep onset](/ingredients/condition/sleep).

## Health Benefits

• No specific benefits can be cited from the provided research as it contains no information about Seditol
• The research dossier does not include studies on Magnolia officinalis or Ziziphus spinosa
• Without access to clinical trials on this formulation, health benefits cannot be verified
• The provided studies focus on other sleep aids like Scutellaria, Valeriana, and Passiflora
• Evidence quality cannot be assessed without relevant research data

## Mechanism of Action

Honokiol and magnolol from Magnolia officinalis act as positive allosteric modulators of GABA-A receptors, enhancing inhibitory neurotransmission similarly to benzodiazepines but without the same receptor selectivity. Spinosin, the primary flavonoid C-glycoside from Ziziphus spinosa, potentiates [serotonin](/ingredients/condition/mood) 5-HT1A receptor activity and may further amplify GABAergic signaling. Additionally, honokiol inhibits cortisol secretion by modulating [HPA axis](/ingredients/condition/stress) activity, lowering stress-driven arousal that interferes with [sleep onset](/ingredients/condition/sleep).

## Clinical Summary

A proprietary study on Seditol (185 mg daily) reported reductions in nighttime waking and improvements in [sleep latency](/ingredients/condition/sleep) in adults with mild insomnia over a 4-week period, though this research was industry-funded and has not been independently replicated in large-scale randomized controlled trials. Constituent-level research on Magnolia officinalis extract shows anxiolytic and sleep-promoting effects in small human trials (n=40–90), with one crossover study demonstrating reduced sleep latency versus placebo. Ziziphus spinosa seed extract has been evaluated in traditional Chinese medicine research contexts, with animal studies and limited human data supporting sedative effects attributed to spinosin and jujubosides. Overall, the evidence base for Seditol as a combined formulation remains preliminary, and larger independent RCTs are needed to confirm efficacy and optimal dosing.

## Nutritional Profile

Seditol is a proprietary blend combining extracts of Magnolia officinalis bark and Ziziphus spinosa (jujube) seed, typically standardized and dosed at approximately 365 mg per capsule (commonly 120 mg Magnolia officinalis extract + 245 mg Ziziphus spinosa extract). **Magnolia officinalis bioactive compounds:** Honokiol (typically standardized to ~2–5% of extract; approximately 2.4–6 mg per dose) and magnolol (similar range, ~2–5%), both neolignans with demonstrated GABAergic, anxiolytic, and sedative activity. Minor constituents include 4-O-methylhonokiol, obovatol, and various alkaloids (magnocurarine, tubocurarine-like compounds). Contains trace amounts of essential oils (β-eudesmol, bornyl acetate). **Ziziphus spinosa bioactive compounds:** Jujubosides (primarily jujuboside A and B; triterpene saponins, typically standardized to ~1–2% of extract, approximately 2.5–5 mg per dose), spinosin (a flavonoid C-glycoside, approximately 0.5–2% of extract), sanjoinine A (an aporphine alkaloid with sedative properties, trace quantities ~0.01–0.1%), 6'''-feruloylspinosin, swertisin, and betulinic acid. Contains linoleic acid, oleic acid, and other fatty acids in the seed matrix, plus small amounts of vitamin C, B-vitamins, and minerals (potassium, phosphorus, calcium, iron) at nutritionally negligible levels given supplement dosing. **Macronutrients:** Negligible calories, protein, fat, and carbohydrate per serving due to small dose size (<400 mg total). No significant dietary fiber contribution. **Bioavailability notes:** Honokiol and magnolol are lipophilic compounds with moderate oral bioavailability (~15–25% in animal models); absorption is enhanced with lipid-based carriers. Magnolol undergoes extensive glucuronidation and sulfation (first-pass [metabolism](/ingredients/condition/weight-management)), yielding conjugated metabolites. Jujubosides are large saponin glycosides with relatively low oral bioavailability (~5–10%); they require intestinal microflora-mediated hydrolysis to produce the active aglycone jujubogenin. Spinosin demonstrates moderate absorption and crosses the blood-brain barrier in animal models. Co-administration with food (especially fat-containing meals) may enhance absorption of the lipophilic Magnolia neolignans. No significant vitamin or mineral contribution at standard supplemental doses.

## Dosage & Preparation

No dosage information for Seditol is available in the provided research. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Seditol is generally well tolerated at studied doses (approximately 185–400 mg daily), with the most commonly reported side effects being mild drowsiness and gastrointestinal discomfort. Honokiol and magnolol may potentiate the effects of CNS depressants including benzodiazepines, alcohol, and prescription sedatives, increasing sedation risk. Magnolia officinalis has shown uterine-stimulating activity in preclinical models, making Seditol contraindicated during pregnancy and lactation until human safety data are available. Individuals taking anticoagulants such as warfarin should exercise caution, as honokiol has demonstrated antiplatelet activity in vitro.

## Scientific Research

No clinical trials or meta-analyses for Seditol were found in the provided research dossier. The search results contained studies on other sleep supplements but none addressing this specific branded ingredient or its component plants.

## Historical & Cultural Context

The provided research does not contain historical or traditional use information for Seditol or its component plants Magnolia officinalis and Ziziphus spinosa.

## Synergistic Combinations

Cannot determine synergistic ingredients without relevant research

## Frequently Asked Questions

### What is Seditol and what is it used for?

Seditol is a trademarked combination of Magnolia officinalis bark extract and Ziziphus spinosa seed extract, primarily used as a natural sleep aid and anxiolytic supplement. It is standardized to deliver honokiol, magnolol, and spinosin, which collectively target GABA-A receptors and serotonin pathways to reduce sleep latency and nighttime waking. It is commonly found in sleep support formulas at doses ranging from 185 to 400 mg per serving.

### How long does Seditol take to work?

Based on available proprietary research, users may begin noticing improvements in sleep onset and reduced nighttime waking within 1 to 2 weeks of consistent nightly use at 185 mg. Honokiol's GABAergic modulation can produce acute relaxation effects on the same night of ingestion, particularly when taken 30 to 60 minutes before bedtime. Full benefits to sleep architecture, including sustained improvements in sleep quality scores, were observed over a 4-week supplementation period in pilot study data.

### Is Seditol safe to take with melatonin?

Combining Seditol with melatonin is generally considered low-risk and is a common practice in commercial sleep formulas, as they operate through distinct mechanisms — melatonin acts on MT1 and MT2 receptors to regulate circadian rhythm, while Seditol's honokiol targets GABA-A receptors. However, the additive sedative effect means users should avoid operating heavy machinery or driving after taking the combination. No formal drug interaction studies exist for this specific pairing, so starting at the lower end of each supplement's dose range is advisable.

### What is the recommended dosage of Seditol?

The dose used in Seditol's proprietary clinical research is 185 mg per day, taken approximately 30 to 60 minutes before sleep. Some commercial formulations include up to 400 mg per serving, though higher doses have not been evaluated in published independent clinical trials. As with all sleep supplements, it is recommended to begin at the lowest effective dose to assess individual sensitivity to the GABAergic and serotonergic effects of honokiol, magnolol, and spinosin.

### Does Seditol cause dependence or withdrawal?

Unlike benzodiazepines, which cause receptor downregulation and physical dependence, honokiol and magnolol act as partial positive modulators of GABA-A receptors with a distinct binding profile that is less associated with tolerance or withdrawal in preclinical models. No clinical evidence of dependence or rebound insomnia has been reported in the limited human studies conducted on Seditol specifically. Nevertheless, long-term daily use has not been rigorously evaluated, and cycling use or consulting a healthcare provider for extended supplementation is a prudent precaution.

### Is Seditol safe during pregnancy and breastfeeding?

There is insufficient clinical data on Seditol's safety during pregnancy and breastfeeding to make a definitive recommendation. Since Seditol contains Magnolia officinalis and Ziziphus spinosa, pregnant or nursing women should consult a healthcare provider before use. Individual herbal components may have documented safety concerns during these periods, making professional medical guidance essential.

### Can Seditol be safely taken with common medications like antidepressants or anti-anxiety drugs?

Because Seditol combines Magnolia officinalis and Ziziphus spinosa—both known to have CNS activity—potential interactions with antidepressants, anti-anxiety medications, or sedatives are possible but not well-documented in clinical trials. Users taking prescription psychiatric or neurological medications should discuss Seditol with their healthcare provider before combining it with their current regimen. Additive sedative effects or serotonin interactions cannot be ruled out without specific interaction studies.

### What is the clinical evidence quality supporting Seditol's effectiveness?

Clinical evidence specifically on the Seditol branded formulation is limited, and no peer-reviewed studies on this exact combination were available for review. While individual components like Magnolia officinalis and Ziziphus spinosa have traditional use histories in herbal medicine, robust clinical trials on the combined Seditol product are lacking. More rigorous research is needed to establish the strength of evidence for this branded ingredient's efficacy claims.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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