Common sage for menopause, digestion and sweating: forms, evidence and precautions

Common sage corresponds to Salvia officinalis. Clary sage or Spanish sage are other species, with different composition and uses: their results don't transfer over. Common sage leaves are used in cooking; a concentrated medicinal use calls for more caution.

A systematic review with meta-analysis published in 2023 included four studies, totaling 310 menopausal women. The trials mainly involved tablets or extracts, with different preparations and regimens. The review concludes there is a favorable effect on the frequency of hot flashes, but the reported confidence interval remains compatible with no effect at all. No significant effect was found on their intensity, and heterogeneity between studies was high.

An often-cited trial, published in 2011, followed 69 women for eight weeks with a daily tablet of fresh sage leaves. The overall intensity of hot flashes dropped by about 50% at four weeks and 64% at eight weeks. But the study was open-label and had no placebo, whereas hot flashes often decrease under placebo too.

The NCCIH, the US agency devoted to complementary medicine, likewise considers that only a few studies suggest a reduction in the frequency of hot flashes, with no definitive conclusion possible. Sage does not replace menopause care.

The European Medicines Agency (EMA) recognizes, for certain leaf preparations, a traditional use for mild digestive disorders, excessive sweating, inflammation of the mouth and throat, and minor skin inflammation. "Traditional" means a long-standing, plausible use, not solid clinical proof for each product.

For bloating or digestive discomfort, the data don't support concluding that a tea treats a specific cause. And a reduction in sweating observed with one preparation doesn't prove an identical effect on menopausal sweats.

Excessive sweating can be linked to a medication, a hormonal change, an infection, or the thyroid. New or intense sweating, especially with fever, palpitations, or weight loss, deserves medical evaluation. Likewise, new or persistent bloating with weight loss, blood, fever, or repeated vomiting calls for advice.

A result obtained with a low-thujone extract says nothing about an essential oil. Before comparing a product to a trial, check the species, the plant part, the extraction ratio, and the amount per dose. A "menopause" product that combines several plants or an essential oil cannot be judged on sage data alone.

Sage is probably safe at the amounts used in cooking. The NCCIH notes, however, that heavy or prolonged consumption can be dangerous because of thujone, present notably in S. officinalis. During pregnancy, medicinal use should be avoided; data are lacking for breastfeeding.

1. 01Clarify the symptom: a hot flash, night sweat, bloating, or pain don't necessarily share the same cause.
2. 02Choose a clearly identified form, without transposing the result of an extract onto a tea.
3. 03Follow the duration stated on the label and don't stack several concentrated products just because they all contain sage.
4. 04For hot flashes, track their frequency over a short period: this is more reliable than memory.
5. 05Reassess if the problem persists, worsens, or a new sign appears.

For other plants used for digestion, see also peppermint and rosemary.