Juglans cinerea

Bio-Activity Analysis
Laxative Potency Comparison (Relative Strength)
SCIENTIFIC DATA VISUALIZATION
Health Benefits & Sources
Why You Need It
- Gentle Digestive Relief: Acts as a bulk-forming laxative to ease constipation without causing cramping.
- Liver Support: Stimulates bile flow, which is crucial for digesting fats and detoxifying the body.
- Anti-Parasitic: Historically used to create an inhospitable environment for intestinal worms.
- Appetite Regulation: The bitter compounds can help stimulate a healthy appetite in those with low digestive fire.
Deep Dive
The primary mechanism of Butternut bark is its ability to act as a mild laxative and digestive bitter. The compounds found in the bark, specifically naphthoquinones like juglone, stimulate the secretory functions of the mucous membranes in the digestive tract. This leads to increased bile secretion and gentle intestinal motility. It is particularly useful for those suffering from chronic constipation who want to avoid dependency on harsh stimulant laxatives (like senna or cascara sagrada). Because it is a 'tonic' laxative, it is often used over a period of weeks to gently strengthen colon function rather than just providing immediate relief.
Natural Food Sources
While the medicinal bark is not a food, the fruit (nut) is the primary edible source. However, for the specific medicinal effects (laxative/bile flow), the inner bark is the standard source.
| Food Source | Part Used | Benefit |
|---|---|---|
| Butternut Nut | Kernel | Nutritious fats, protein, and mild fiber. |
| Butternut Bark | Inner Bark | Contains juglone and tannins for digestive regulation. |
| Black Walnut | Hull | Similar compounds; often used as an alternative. |
Supplementation
- Standardization: Look for extracts standardized to contain specific percentages of naphthoquinones (though this is rare; loose bark or tea is most common).
- Form: Usually found as dried inner bark for tea, liquid extract (tincture), or capsules.
- Dosage: A typical dose for dried bark tea is 1-2 grams steeped in water, taken up to three times daily. For tinctures, follow manufacturer instructions (usually 2-4 ml). Do not use for more than 7-10 days continuously without medical supervision.
Top Food Sources
Frequently Asked Questions
Safety & Side Effects
Safety Profile & Contraindications
Chemical Warning: The compound juglone found in Butternut (and related Black Walnut trees) is chemically toxic to plants and, in high doses, can be toxic to humans and livestock.
- Do NOT use if: You are pregnant or breastfeeding. Juglone is known to be toxic to the fetus and can stimulate uterine contractions.
- Medical Conditions: Avoid if you have intestinal obstruction, appendicitis, or inflammatory bowel disease (Crohn's, Ulcerative Colitis).
- Drug Interactions: Do not combine with other stimulant laxatives, diuretics, or heart medications (like digoxin) without a doctor's approval.
- Side Effects: Excessive dosage can lead to nausea, vomiting, diarrhea, and skin rashes. Stick to recommended doses.
Scientific References
- [1]Grieve, M. (1931). *A Modern Herbal*. (Classic reference on the tonic laxative properties of Butternut).
- [2]Duke, J. A. (2002). *Handbook of Medicinal Herbs*. (Cites the anti-parasitic and digestive uses).
- [3]American Botanical Council. *Herbal CLINICIAN's Desk Reference*.