Lavender
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Evidence Summary
Lavender is an aromatic plant widely studied for its use in aromatherapy. Research, including multiple meta-analyses, demonstrates significant efficacy in reducing anxiety and improving sleep quality across various populations.
Evidence by Condition
Meta-analyses and numerous RCTs confirm significant reduction in anxiety levels across diverse groups, including clinical nurses and patients undergoing medical procedures.
Evidence supports the use of lavender to improve sleep quality and manage insomnia symptoms, particularly in postmenopausal women and chemotherapy patients.
Studies indicate effectiveness in reducing various types of pain, including post-operative, dental, and C-section related pain.
Meta-analyses suggest potential benefits in reducing depressive symptoms and managing anxiety related to depression treatments.
Limited evidence suggests potential reduction in postoperative nausea when used in combination with peppermint and ginger.
Effective Doses
No oral dose ranges provided; research primarily focuses on inhalation and aromatherapy applications.
Key Findings
- Meta-analyses confirm significant effects of lavender on anxiety (PMID: 31655395, 34775136).
- Lavender aromatherapy can reduce anxiety and pain following C-sections (PMID: 31730539, 39400653).
- Inhalation of lavender may improve sleep quality in postmenopausal women and chemotherapy patients (PMID: 33905827, 29547610).
Limitations
Most research is limited to inhalation/aromatherapy rather than oral supplementation, and many studies focus on specific clinical populations rather than the general public.
Safety & Interactions
No specific contraindications or drug interactions were detailed in the provided research.
AI-generated summary from 23 peer-reviewed studies. Not medical advice. Always consult a healthcare provider.
Claims vs. Evidence
| Claim Type | % of Products | Evidence Required | Status |
|---|---|---|---|
| All Other | 97% | Tier D (Unclassified) | ✅ Supported |
| Structure/Function | 81% | Tier C (DSHEA Structure/Function (no pre-approval)) | ✅ Supported |
| Nutrient | 8% | Tier D (Unknown) | ✅ Supported |
| No Claim | 3% | Tier D (No claim on label) | ✅ Supported |
Research by Topic
Research Evidence (23)
**Donelli et al., 2019** | Phytomedicine | Meta Analysis Donelli Davide, Antonelli Michele, ... Firenzuoli Fabio. Effects of lavender on anxiety: A systematic review and meta-analysis. Phytomedicine. 2019-Dec;65:153099. doi:10.1016/j.phymed.2019.1530...
BACKGROUND: Considering the prevalence of mental health problems in older adults, this study aims to investigate the effect of inhalation aromatherapy using lavender and chamomile essential oils on depression, anxiety, and stress of community-dwellin...
**Kim et al., 2021** | Asian Nurs Res (Korean Soc Nurs Sci) | Meta Analysis Kim Myoungsuk, Nam Eun Sook, ... Kang Hyun-Ju. Effects of Lavender on Anxiety, Depression, and Physiological Parameters: Systematic Review and Meta-Analysis. Asian Nurs Res (...
**Ozkaraman et al., 2018** | Clin J Oncol Nurs | Rct Ozkaraman Ayse, Dügüm Özlem, ... Usta Yesilbalkan Öznur. Aromatherapy: The Effect of Lavender on Anxiety and Sleep Quality in Patients Treated With Chemotherapy. Clin J Oncol Nurs. 2018-Apr-01;22(2...
**Abbasijahromi et al., 2020** | J Complement Integr Med | Rct Abbasijahromi Ali, Hojati Hamed, ... Kalavani Arefeh. Compare the effect of aromatherapy using lavender and Damask rose essential oils on the level of anxiety and severity of pain followi...
**Shammas et al., 2021** | J Reconstr Microsurg | Rct Shammas Ronnie L, Marks Caitlin E, ... Hollenbeck Scott T. The Effect of Lavender Oil on Perioperative Pain, Anxiety, Depression, and Sleep after Microvascular Breast Reconstruction: A Prospective...
**Nouira et al., 2024** | J Epidemiol Glob Health | Rct Nouira Mariem, Souayeh Nesrine, ... Bettaieb Hajer. Aromatherapy Using Lavender Oil Effectiveness on Pain and Anxiety After C-Section: A Randomized Controlled Trial. J Epidemiol Glob Health. 202...
Nurses may be anxious due to critical and emergencies, and anxiety can affect their professional performance. Non-pharmacological interventions, as a safe method, can reduce anxiety. This study aimed to determine the effect of music therapy and aroma...
BACKGROUND: To evaluate the effect of Lavandula angustifolia essential oil inhalation on sleep and menopausal symptoms in postmenopausal women with insomnia. PARTICIPANTS: 35 postmenopausal women with a clinical diagnosis of insomnia were included, 1...
OBJECTIVES: This study aimed to examine whether aromatherapy with peppermint (Mentha piperita Mitcham), ginger (Zingiber officinale), and lavender (Lavandula angustifolia) reduces the severity of nausea in patients experiencing postoperative nausea a...
**Chen et al., Unknown** | Holist Nurs Pract | Systematic Review Chen Tzu-Ying, Hiyama Akiko, ... Hinotsu Atsuko. The Effect of Lavender on Sleep Quality in Individuals Without Insomnia: A Systematic Review. Holist Nurs Pract. ;36(4):223-231. doi:10....
Aromatherapy with essential oils can be used to relieve children. The aim of this study was to evaluate the correlations between psychological and physiologic findings after lavender oil inhalation among children assigned to undergo tooth extraction....
BACKGROUND: The recurrent arteriovenous fistula (AVF) intervention in the treatment of hemodialysis induces pain in patients. Lavender oil has analgesic, antimicrobial, and calming effects. This oil is widely used in patients to reduce anxiety and st...
Background and aims Electroconvulsive therapy (ECT) is considered a safe, effective, and significant treatment in patients suffering from a major depressive disorder. Anxiety caused by this invasive treatment may impose several side effects on patien...
A 3-arm, parallel group, randomized clinical trial examines the effect of aromatherapy through inhalation and foot massage on blood pressure and stress response in patients with essential hypertension. Lavender oil reduced blood pressure, heart rate,...
BACKGROUND: The purpose of the study was to determine to what extent olfactory aromatherapy reduces the intensity of dental pain and the level of dental anxiety. It also attempted to corelate between olfactory aromatherapy, stages of dental visits, a...
OBJECTIVE: Due to numerous stressors in intensive care, common psychosocial problems arise in patients. Among these, decreased anxiety and sleep quality are observed. This study aims to determine the effect of lavender and bergamot oil applied by inh...
OBJECTIVE: Aromatherapy is a holistic healing method to promote health and well-being by using natural plant extracts. However, its precise mechanism of action and influence on the endocrine system remains unclear. Since recent studies reported that ...
OBJECTIVE: This study aimed to determine the effects of aromatherapy use on cognitive function, anxiety, and sleep quality in the elderly with diabetes. METHODS: The study was conducted with 63 participants aged 65 and over. Participants were randoml...
OBJECTIVE: Patients requiring endodontic treatment often experience high levels of anxiety. The aim of this research is to investigate the effect of oral administration of lavender on the anxiety score of these patients. METHODS: In this double-blind...
Anxiety associated with taking exams jeopardizes students' mental and physical health. Complementary alternative methods, such as aromatherapy and music therapy, have shown promise in reducing negative emotions among students. However, few studies ha...
BACKGROUND: Reduced quality in patient care is associated with impaired mental health among healthcare professionals. Hospital staff experience intense stress and are at high risk of burnout. AIMS: The study aimed to demonstrate whether inhaling esse...
IMPORTANCE: Intradetrusor chemodenervation with onabotulinumtoxinA (BOTOX) injections, a common office-based procedure for overactive bladder (OAB), is associated with patient anxiety and discomfort. Aromatherapy and music have been shown to decrease...
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Frequently Asked Questions
What is lavender and what are its main benefits?
Lavender is an aromatic plant primarily used in aromatherapy. There is strong evidence for its ability to reduce anxiety and moderate evidence for its effectiveness in improving sleep quality and managing pain.
Does lavender help with anxiety?
Yes, there is strong evidence from multiple meta-analyses and clinical trials confirming that lavender can significantly reduce anxiety levels. These benefits have been observed in various groups, including clinical nurses and patients undergoing medical procedures.
Can lavender help me sleep better?
There is moderate evidence suggesting that lavender can improve sleep quality and help manage symptoms of insomnia. This has been particularly noted in populations such as postmenopausal women and chemotherapy patients.
Is lavender effective for pain relief?
There is moderate evidence that lavender can help reduce various types of pain, including dental, post-operative, and C-section related pain. Most research focuses on its application through inhalation and aromatherapy.
Can lavender help with depression?
There is moderate evidence suggesting that lavender may help reduce depressive symptoms. It may also be useful in managing anxiety that is specifically related to depression treatments.
Does lavender help with nausea?
There is currently weak evidence regarding lavender's ability to reduce nausea. Some studies suggest it may help reduce postoperative nausea when used in combination with peppermint and ginger.
Is lavender safe to use and are there any side effects?
No specific contraindications or safety concerns were documented in the available research. Because research primarily focuses on inhalation and aromatherapy, there are no established oral dose ranges provided.
Are there any drug interactions I should worry about with lavender?
There are currently no documented drug interactions for lavender in the provided research. However, you should always consult with a healthcare professional before starting any new supplement routine.
Answers generated from research evidence. Not medical advice.