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Head-to-head evidence comparison — which supplement is right for you?
Sage wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
2 of 2 studies with measurable effects showed benefit.
Top outcomes
Verdict
Mostly mechanism / observational
Top outcomes
Shared outcomes (2)
Outcomes where both Sage and Spearmint have evidence — compare verdict strength side-by-side.
300–600 mg standardized extract daily
With breakfast, With dinner (split dosing)
Standardized extract (300–600 mg, 2.5% rosmarinic acid)
900 mg/day of standardized spearmint extract (or 2 cups of spearmint herbal tea daily)
Morning with breakfast, Evening with dinner (split dosing mirrors clinical trial protocols)
Standardized aqueous extract (high-rosmarinic acid)
4–8 weeks
4–8 weeks
4–8 weeks
8–12 weeks
2–4 weeks
4–12 weeks
4–8 weeks
8–16 weeks
Systematic review of clinical trials assessing pharmacological properties of Salvia species on memory, cognitive impairment and Alzheimer's disease.
CNS Neuroscience & Therapeutics (2014) · Systematic review
Multiple clinical trials demonstrated improvements in memory and attention in healthy young adults following acute and chronic Salvia officinalis or Salvia lavandulaefolia administration.
Exploring the therapeutic impact of Salvia officinalis on lipid and oxidative stress markers in patients with polycystic ovary syndrome - a randomized placebo-controlled clinical trial.
BMC Complementary Medicine and Therapies (2025) · Rct · n=60
Women with PCOS receiving Salvia officinalis extract showed significant reductions in total cholesterol, LDL cholesterol, and triglycerides compared to the placebo group.
Salvia officinalis extract in the treatment of patients with mild to moderate Alzheimer's disease
J Clin Pharm Ther (2003) · Rct · n=42
Significant improvement in ADAS-cog and CDR-SB scores vs placebo (P<0.003)
An evidence-based systematic review of spearmint by the natural standard research collaboration.
Journal of dietary supplements (2010) · Systematic review
Spearmint (Mentha spicata) has demonstrated anti-androgenic, antimicrobial, and antioxidant properties in available literature.
A systematic review of the efficacy of alternative medicine in the treatment of nausea and vomiting of pregnancy.
Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology (2020) · Systematic review
Spearmint syrup was identified as one of several herbal alternatives showing efficacy for mild-to-moderate pregnancy nausea and vomiting.
Spearmint herbal tea has significant anti-androgen effects in polycystic ovarian syndrome. A randomized controlled trial.
Phytotherapy research : PTR (2010) · Rct · n=42
Forty-one of 42 patients completed this 30-day RCT comparing spearmint tea twice daily to placebo herbal tea.
Based on multiple RCTs showing improvements in word recall, working memory, and attention. Effects varied by specific cognitive domain and population. Most studies used standardized extracts.
Based on 2 RCTs in women with PCOS/hirsutism. Tea form equivalent to ~400-600mg extract. Effects specific to women; men should avoid chronic high-dose use.
AI-estimated from published studies. Interpret as directional guidance.
Sage has a higher evidence score (7.8/10 vs 6.2/10) and wins in 2 of 3 categories.
For estrogen & progesterone balance, Spearmint has a higher relevance score (88 vs 65).
No known interactions between Sage and Spearmint have been documented in our database. However, always consult a healthcare provider before combining supplements.