Evidence supporting the use of: Sage
For the health condition: Breast Milk (dry up)

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Sage (Salvia officinalis) has a long history of traditional use to help reduce or "dry up" breast milk production, particularly during weaning or when lactation suppression is desired. The use of sage for this purpose is documented in various herbal traditions, including European folk medicine and references in herbal compendia. The rationale behind its use is primarily attributed to sage’s content of phytoestrogens and its reputed ability to decrease prolactin levels, the hormone responsible for milk production. However, robust scientific studies directly investigating sage for suppressing lactation are limited.

Most available evidence stems from anecdotal reports, case studies, and herbalist recommendations rather than controlled clinical trials. Some small studies and pharmacological reviews note that sage contains compounds such as thujone and essential oils, which may have mild anti-lactagogue (milk-suppressing) effects. However, the exact mechanism is not fully understood, and the safety profile, especially in large or prolonged doses, warrants caution due to potential toxicity risks.

In summary, while sage has a strong traditional reputation for helping to reduce breast milk, the scientific evidence base is modest and largely inferential. Women considering the use of sage for this purpose should consult a healthcare provider, especially if breastfeeding is ongoing or if there are underlying health concerns.

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