Also known as: Mentha spicata, Garden Mint
Spearmint (Mentha spicata) is an aromatic herb rich in rosmarinic acid and polyphenols with demonstrated anti-androgenic, cognitive-enhancing, and antioxidant properties. It is studied for improving working memory and managing hormonal acne and hirsutism.
Spearmint (Mentha spicata) is distinguished from peppermint by its high rosmarinic acid content and low menthol levels. Recent clinical research has revealed significant cognitive-enhancing effects: a randomized, double-blind trial demonstrated that a proprietary spearmint extract rich in rosmarinic acid improved working memory and spatial planning in adults with age-associated memory impairment. Additionally, spearmint tea has shown notable anti-androgenic properties in randomized controlled trials, significantly reducing free testosterone levels and improving hormonal profiles in women with polycystic ovary syndrome (PCOS) and hirsutism. The herb also possesses digestive benefits, with carminative and antispasmodic effects attributed to its carvone and limonene content. Spearmint is available as standardized high-rosmarinic-acid extracts, capsules, teas, and essential oil.
A 90-day randomized, double-blind, placebo-controlled trial showed that spearmint extract (900 mg daily, standardized to rosmarinic acid) significantly improved working memory and spatial planning in subjects with age-associated memory impairment.
Randomized controlled trials demonstrate that spearmint tea (2 cups daily for 30 days) significantly reduces free testosterone and increases LH and FSH levels in women with hirsutism and PCOS.
Spearmint's carvone and limonene content provides carminative and antispasmodic effects, helping relieve bloating, gas, and mild digestive discomfort.
Once daily with a meal
Use extracts standardized to ≥14.5% rosmarinic acid for cognitive benefits. Allow 30–90 days for measurable improvement.
Morning and evening
Steep in boiling water for 5–10 minutes. Clinical effects on androgens observed within 30 days.
Cognitive enhancement with standardized dosing
Anti-androgenic support and daily enjoyment
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