Lauraceae
Bay Leaf
Laurus nobilis
✓ Generally Safe
Caution in Pregnancy
Native to: Mediterranean
Also known as: Bay Laurel, Sweet Bay, True Laurel, Roman Laurel
Wikimedia Commons / CC BY-SA
Parts Used
Leaf
Therapeutic Uses
Digestive complaints, type 2 diabetes (improves insulin sensitivity and glucose metabolism — clinical trials), respiratory infections, wound healing. Traditional culinary herb with significant therapeutic properties.
Herbal Actions
Carminative, antispasmodic, antimicrobial, antifungal, anti-inflammatory, insulin sensitizing
Active Constituents
Volatile oil (1,8-cineole/eucalyptol 40–50%, eugenol, alpha-pinene, beta-pinene), sesquiterpene lactones (costunolide, parthenolide), tannins, flavonoids
Preparation Methods
☕ Herbal Tea💊 Capsule🏺 Tincture
Traditional Preparation Notes
| Herbal Tea | 3–5 fresh or dried leaves per 250ml, steep 10 min covered, 2–3x daily |
| Tincture | 2–3 ml (1:5, 45% ethanol), 3x daily |
| Notes | For diabetes: 1–3g ground dried leaf daily with meals — RCT showed significant HbA1c reduction. Bay leaves must be removed from food before eating — physical hazard (sharp edges). Essential oil: do not ingest undiluted. |
Safety Information
Safety Rating
✓ Generally Safe
Pregnancy
Caution in Pregnancy
Drug Interactions
Possible — consult doctor
Contraindications: Avoid therapeutic doses in pregnancy (may stimulate uterus). Caution with antidiabetics (additive blood sugar lowering). Essential oil avoid internally.
Side Effects: Allergic contact dermatitis. GI irritation at high doses. Parthenolide — may cause headaches in migraine-sensitive. Generally safe.