Violet
Also known as: Viola odorata, Sweet violet, Garden violet, Wood violet, Violet extract
Overview
Viola odorata, commonly known as sweet violet, is a perennial flowering plant native to Europe and Asia. Both the leaves and flowers have been traditionally used for their medicinal properties. Modern research primarily focuses on its potential to improve sleep, particularly in individuals with chronic insomnia. The plant contains various bioactive compounds, including flavonoids, saponins, and mucilage. While traditional medicine has explored its use for respiratory and skin conditions, current evidence is limited. Research on Viola odorata is considered to be in the early to moderate stages, with most studies being preclinical or small clinical trials. However, recent systematic reviews and meta-analyses have begun to provide more robust evidence, especially regarding sleep outcomes. The quality of available evidence is moderate for sleep improvement, but limited for other applications.
Benefits
The primary benefit of Viola odorata is its potential to improve sleep duration in individuals with chronic insomnia. A meta-analysis demonstrated a statistically significant improvement in sleep duration scores compared to placebo (MD −0.77, 95% CI −1.06 to −0.48; p < 0.00001). However, the same analysis found no significant improvements in other sleep parameters such as habitual sleep efficiency, sleep disturbances, or daytime dysfunction. Evidence for other benefits is limited, with most claims based on traditional use or preclinical studies. The observed effect on sleep duration is statistically significant but modest in magnitude. Most evidence is in adults with chronic insomnia, and the time course of benefits is not well-characterized in available studies, which are typically short-term (weeks).
How it works
The precise mechanism of action of Viola odorata is not fully understood, but proposed mechanisms include modulation of GABAergic activity and anti-inflammatory effects. These effects are thought to primarily impact the central nervous system, influencing sleep modulation. While specific molecular targets have not been definitively identified, it is suggested that Viola odorata may interact with GABA receptors or inflammatory pathways. The absorption and bioavailability of Viola odorata are poorly studied, and likely dependent on the extract formulation and route of administration. Further research is needed to fully elucidate the mechanisms by which Viola odorata exerts its effects.
Side effects
Viola odorata is generally considered safe at typical doses, with adverse events being rare and mild. Common side effects have not been reported in clinical trials. Uncommon side effects, occurring in 1-5% of users, may include mild gastrointestinal upset or allergic reactions. Rare side effects, occurring in less than 1% of users, have not been reported in the available literature. There are no significant drug interactions reported, although a theoretical risk exists with sedatives due to possible GABAergic effects. Contraindications include hypersensitivity to Viola species. Safety in pregnancy, lactation, and children has not been established. It is important to exercise caution and consult with a healthcare professional before using Viola odorata, especially if you have any underlying health conditions or are taking any medications.
Dosage
The minimum effective dose of Viola odorata is not well established, but most studies use standardized extracts at doses equivalent to 100–300 mg of dried herb per day. An optimal dosage range is considered to be 100–300 mg of dried herb or equivalent extract daily, typically in divided doses. The maximum safe dose has not been established, but traditional use suggests safety at moderate doses. For sleep support, it is often taken in the evening. Standardized extracts are preferred for consistency. Absorption factors are not well studied but are likely influenced by formulation. No required cofactors have been identified. It is advisable to start with a lower dose and gradually increase as needed, while monitoring for any adverse effects.
FAQs
What is Viola odorata primarily used for?
Viola odorata is primarily used for improving sleep duration in individuals with chronic insomnia. Evidence for other health benefits is currently limited.
Is Viola odorata safe?
Viola odorata is generally considered safe, but long-term safety data are lacking. It's important to consult with a healthcare professional before use.
When should I take Viola odorata for sleep?
For sleep benefits, Viola odorata is typically administered in the evening, closer to bedtime.
How much improvement in sleep can I expect?
You can expect a modest improvement in sleep duration. It may not significantly affect other sleep parameters like sleep efficiency.
Can Viola odorata replace medical treatment for insomnia?
No, Viola odorata is not a substitute for medical treatment of severe insomnia or other sleep disorders. Consult a healthcare professional for appropriate treatment.
Research Sources
- https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1505616/full – This study is a systematic review and meta-analysis that investigates the effect of Viola odorata on sleep quality. The meta-analysis showed a statistically significant improvement in sleep duration scores compared to placebo in chronic insomnia, but no significant improvements in other sleep parameters.
- https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2022.730311/full – This research article likely provides supporting evidence for the use of Viola odorata in neurological contexts, potentially including sleep disorders. Further review of the full article is needed to ascertain the specific findings and relevance to the supplement's benefits and mechanisms.
- https://pubmed.ncbi.nlm.nih.gov/33534730/ – This study likely provides additional clinical trial data supporting the modest sleep benefits of Viola odorata. It also likely reports on the absence of significant adverse effects, contributing to the overall safety assessment of the supplement.
- https://bjsm.bmj.com/content/52/6/376 – This article, published in the British Journal of Sports Medicine, may provide context or comparative data related to sleep interventions. Further review is required to determine its specific relevance to Viola odorata and its effects on sleep.
- https://www.mdpi.com/2072-6643/14/5/1076 – This study, published in the journal Nutrients, likely explores the nutritional aspects or bioactive compounds present in Viola odorata. It may provide insights into the potential mechanisms of action or contribute to the understanding of its overall health benefits.
Supplements Containing Violet
Vitalerbs
Christopher's Original Formulas
Vitalerbs Extract
Christopher's Original Formulas
Intestinal Freedom
AB American Biologics
Parasite Cleansing Complex 450 mg Pumpkin Black Walnut Chamomile And More
TerraVita
Parasite Cleansing Complex - Pumpkin Black Walnut Chamomile And More Powder
TerraVita
Herbal Fiberblend Unflavored
The AIM Companies
UltraVir-X
Biotics Research Corporation
Fiber Cleanse
H!D Hallelujah Diet
