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Rosemary is an herb that is used in cooking and baking. The leaves can be made into an oil and have been used to ease feelings of anxiety and stress. Rosemary can also be taken as a pill, powder, or extract and has been used ease digestion. The herb can also be used as a cream or lotion.


There aren’t any advised doses for rosemary.

What Research Shows

May Be Effective

  • Gingivitis —may be as effective as standard treatment when used with zingiber officinale and calendula officinalis extracts A1
  • Opioid withdrawal—may ease symptoms when used with standard treatment B1
Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.
Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.

Safety Notes

It is likely safe to use rosemary on the skin, but reactions may happen. C1 It is also likely safe to take rosemary orally in small doses for a short time. Not enough studies have been done to say whether it is safe to use for a long period. Rosemary in large amounts may not be safe for women who are pregnant or breastfeeding.
Talk to your doctor about any supplements or therapy you would like to use. Some can interfere with treatment or make conditions worse.


Mahyari S, Mahyari B, et al. Evaluation of the efficacy of a polyherbal mouthwash containing Zingiber officinale, Rosmarinus officinalis and Calendula officinalis extracts in patients with gingivitis: A randomized double-blind placebo-controlled trial. Complement Ther Clin Pract. 2016 Feb;22:93-98
Opioid Withdrawal
Solhi S, Salehi B, et al. Beneficial effects of rosmarinus officinalis for treatment of opium withdrawal syndrome during addiction treatment programs: a clinical trial. Addict Health. 2013;5(3-4):90-94.
Miroddi M, Calapai G, et al. Rosmarinus officinalis L. as cause of contact dermatitis. Allergol Immunopathol (Madr). 2014 Nov-Dec;42(6):616-619.

Revision Information

  • Reviewer: EBSCO NAT Review Board Eric Hurwitz, DC
  • Review Date: 07/2019
  • Update Date: 03/30/2020
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