# Wild Lettuce

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/wild-lettuce
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-15
**Evidence Score:** 2 / 10
**Category:** Leaf/Green
**Also Known As:** Lactuca virosa, Wild opium, Bitter lettuce, Great lettuce, Lactuca serriola

## Overview

Wild lettuce (Lactuca virosa) produces lactucarium, a milky latex rich in sesquiterpene lactones such as lactucin and lactucopicrin. These compounds interact with the central nervous system, providing mild analgesic and sedative effects often compared to opioid-like mechanisms.

## Health Benefits

- Reduces pain perception through sesquiterpene lactones like lactucin and lactucopicrin, which interact with the central nervous system.
- Promotes relaxation and sleep by exhibiting sedative effects, aiding in the management of [insomnia](/ingredients/condition/sleep) and anxiety.
- Alleviates muscle spasms and cramps due to its inherent antispasmodic properties.
- Supports nervous system balance, helping to mitigate restlessness and nervous tension.
- Provides mild [antioxidant protection](/ingredients/condition/antioxidant) through its flavonoid and coumarin content, reducing oxidative stress.

## Mechanism of Action

The primary active compounds, lactucin and lactucopicrin, are sesquiterpene lactones found in the milky latex (lactucarium) of Wild Lettuce. These compounds exert their effects by interacting with the central nervous system, where they are believed to exhibit mild opioid-like activity without directly engaging opioid receptors. This interaction contributes to their noted sedative and analgesic properties, aiding in pain perception reduction and promotion of relaxation.

## Clinical Summary

While Wild Lettuce has a long history of traditional use for pain and relaxation, specific human clinical trials, especially randomized controlled trials (RCTs) with quantified outcomes or sample sizes, are notably limited in modern research. Scientific reviews confirm the presence of bioactive sesquiterpene lactones, and in vitro and animal studies support its potential sedative and analgesic properties. However, a lack of robust human clinical data means that definitive clinical efficacy and precise dosages for therapeutic use in humans are not well-established.

## Nutritional Profile

- Phytochemicals: Sesquiterpene lactones (Lactucin, Lactucopicrin), Flavonoids, Coumarins, Alkaloids.

## Dosage & Preparation

- Common forms include dried leaves for tea, tinctures, and powdered extracts in herbal supplements.
- For tea, steep 1-2 teaspoons of dried leaves in hot water for 5-10 minutes.
- Tinctures are typically used in small doses (e.g., 0.5-2 ml), as directed by a healthcare professional.
- Due to variability in potency and potential sedative effects, Wild Lettuce should be used under healthcare supervision.
- Avoid use before driving or operating heavy machinery, and do not combine with other sedatives or alcohol.

## Safety & Drug Interactions

Wild Lettuce is generally considered safe when used in moderation, but high doses can cause drowsiness, dizziness, or stomach upset. It may interact with central nervous system (CNS) depressants, including sedatives, alcohol, and certain pain medications, potentially enhancing their effects and leading to excessive drowsiness. Individuals with allergies to plants in the Asteraceae family (e.g., ragweed, daisies) should exercise caution. Due to insufficient safety data, it is not recommended for use during pregnancy or lactation without medical supervision.

## Scientific Research

Scientific reviews confirm the presence of bioactive sesquiterpene lactones, such as lactucin and lactucopicrin, which exhibit central nervous system activity. While human clinical data specifically on *Lactuca virosa* is limited, in vitro and animal studies support its potential sedative and analgesic properties. Historical and observational use provides a strong basis for its traditional applications in pain relief and sleep support.

## Historical & Cultural Context

Wild Lettuce (*Lactuca virosa*) has a rich history in European folk medicine, particularly in the 19th century, where it was known as "lettuce opium." It was revered as a natural pain reliever and calming agent, especially during times of opium scarcity. Herbalists and physicians widely utilized its milky latex (lactucarium) for nervous tension, cough suppression, and to promote restful sleep.

## Synergistic Combinations

Role: [Adaptogen](/ingredients/condition/stress)ic base
Intention: Sleep & Recovery | Mood & Stress
Primary Pairings: - Valerian Root (Valeriana officinalis)
- Chamomile (Matricaria recutita)
- Passionflower (Passiflora incarnata)
- Skullcap (Scutellaria lateriflora)

## Known Interactions

| Substance | Severity | Summary | URL |
|---|---|---|---|
| California Poppy | SAFE | 🟢 SAFE — Wild Lettuce and California Poppy can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/california-poppy |
| Blue Lotus | SAFE | 🟢 SAFE — Wild Lettuce and Blue Lotus can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/blue-lotus |
| Kanna | SAFE | 🟢 SAFE — Wild Lettuce and Kanna can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/kanna |
| Damiana | SAFE | 🟢 SAFE — Wild Lettuce and Damiana can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/damiana |
| Muira Puama | SAFE | 🟢 SAFE — Wild Lettuce and Muira Puama can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/muira-puama |
| Horny Goat Weed | SAFE | 🟢 SAFE — Wild Lettuce and Horny Goat Weed can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/horny-goat-weed |
| Yohimbe | SAFE | 🟢 SAFE — Wild Lettuce and Yohimbe can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/yohimbe |
| Dexamethasone | SAFE | 🟢 SAFE — Wild Lettuce and Dexamethasone can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/dexamethasone |
| Fludrocortisone | SAFE | 🟢 SAFE — Wild Lettuce and Fludrocortisone can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/fludrocortisone |
| Cabergoline | SAFE | 🟢 SAFE — Wild Lettuce and Cabergoline can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/cabergoline |
| Bromocriptine | SAFE | 🟢 SAFE — Wild Lettuce and Bromocriptine can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/bromocriptine |
| Octreotide | SAFE | 🟢 SAFE — Wild Lettuce and Octreotide can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/octreotide |
| Letrozole | SAFE | 🟢 SAFE — Wild Lettuce and Letrozole can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/letrozole |
| Anastrozole | SAFE | 🟢 SAFE — Wild Lettuce and Anastrozole can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/anastrozole |
| Raloxifene | SAFE | 🟢 SAFE — Wild Lettuce and Raloxifene can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/raloxifene |
| Fluticasone | SAFE | 🟢 SAFE — Wild Lettuce and Fluticasone can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/fluticasone |
| Tiotropium | SAFE | 🟢 SAFE — Wild Lettuce and Tiotropium can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/tiotropium |
| Theophylline | SAFE | 🟢 SAFE — Wild Lettuce and Theophylline can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/theophylline |
| Roflumilast | SAFE | 🟢 SAFE — Wild Lettuce and Roflumilast can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/roflumilast |
| Benzonatate | SAFE | 🟢 SAFE — Wild Lettuce and Benzonatate can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/benzonatate |

## Frequently Asked Questions

### What is lactucarium?

Lactucarium is the milky latex sap exuded from the stems and leaves of Wild Lettuce (Lactuca virosa) when cut. It is rich in bioactive sesquiterpene lactones like lactucin and lactucopicrin, which are responsible for the plant's mild analgesic and sedative effects.

### What are the primary health benefits of Wild Lettuce?

Wild Lettuce is primarily known for its mild pain-relieving and sedative properties. It is traditionally used to help reduce pain perception, promote relaxation, and aid in sleep by alleviating symptoms of insomnia and anxiety due to its central nervous system activity.

### Is Wild Lettuce truly like opium?

While Wild Lettuce has been historically referred to as 'wild opium' due to its mild analgesic and sedative effects, it is not chemically related to the opium poppy and does not contain opiates. Its effects are much milder and act through different mechanisms, primarily involving sesquiterpene lactones rather than direct opioid receptor engagement.

### How was Wild Lettuce traditionally used?

Historically, Wild Lettuce was used by various cultures, including ancient Egyptians, Greeks, and Romans, for its sedative and pain-relieving properties. It was often prepared as a tea, tincture, or poultice to alleviate pain, induce sleep, and soothe muscle spasms.

### Are there any side effects or precautions for Wild Lettuce?

Common side effects can include drowsiness, dizziness, and stomach upset, especially at higher doses. It can enhance the effects of other CNS depressants. Individuals with allergies to related plants, or those who are pregnant or breastfeeding, should avoid its use or consult a healthcare professional.

### Does Wild Lettuce interact with sedative medications or sleep aids?

Wild Lettuce may potentiate the effects of prescription sedatives, benzodiazepines, and sleep medications due to its own CNS-depressant properties, potentially increasing drowsiness and impairment. Combining Wild Lettuce with medications like diazepam, zolpidem, or other sedating drugs should only be done under medical supervision to avoid excessive sedation. It is important to inform your healthcare provider if you are taking Wild Lettuce alongside any prescription medications that affect the central nervous system.

### What is the most effective form of Wild Lettuce supplement—extract, dried leaf, or tincture?

Wild Lettuce tincture and concentrated extracts are generally considered most bioavailable because they concentrate the active sesquiterpene lactones (lactucin and lactucopicrin) that produce therapeutic effects. Dried leaf preparations and teas are less potent but may still provide mild benefits and are preferred by those seeking a gentler approach. The optimal form depends on individual tolerance and desired intensity of effect, with extracts typically requiring lower doses than dried herb.

### Is Wild Lettuce safe to use during pregnancy or while breastfeeding?

Wild Lettuce is generally not recommended during pregnancy or breastfeeding due to its sedative and antispasmodic properties, which have not been adequately studied in these populations and could potentially affect fetal development or nursing infants. The active compounds in Wild Lettuce cross the blood-brain barrier and may accumulate in breast milk, posing unknown risks to newborns. Pregnant or nursing women should consult with a healthcare provider before using Wild Lettuce to ensure safety for both mother and child.

## References

Sources: https://www.healthline.com/nutrition/wild-lettuce; https://www.webmd.com/vitamins/ai/ingredientmono-342/wild-lettuce; https://www.verywellhealth.com/the-benefits-of-wild-lettuce-88661

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