In brief: Lavender flowers usually come from Lavandula angustifolia. Tea, dried flowers and essential oil are different preparations.
Forms compared
| Form | Interpretation |
|---|---|
| Flower tea | Mild, traditional use |
| Sachets | Aromatic use |
| Essential oil | Concentrated |
| Oral oil products | Studied in some trials |
NCCIH sees hints of benefit for some oral lavender-oil products in anxiety, while emphasising important limitations in study quality.[1]
Safety
Lavender can cause headache, gastrointestinal symptoms or skin reactions. Sedating products may add to drowsiness.
FAQ
Does lavender reliably improve sleep?
No.
Is tea the same as essential oil?
No.
Can lavender cause allergy?
Yes.
Is lavender well studied in pregnancy?
No.
Conclusion
Lavender is a versatile aromatic herb, not a guaranteed sleep or anxiety treatment.