# Neumentix (Mentha spicata)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/neumentix
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-31
**Evidence Score:** 2 / 10
**Category:** Other
**Also Known As:** Mentha spicata L. extract, Kemin spearmint extract, standardized spearmint phenolic complex, rosmarinic acid spearmint extract, aqueous spearmint extract, phenolic spearmint concentrate

## Overview

Neumentix is a patented spearmint extract (Mentha spicata) standardized to a high polyphenol content, primarily rosmarinic acid and salvianolic acid derivatives, which exert neuroprotective and antioxidant effects. It is studied for [cognitive performance](/ingredients/condition/cognitive), particularly reactive agility and working memory, through modulation of [oxidative stress](/ingredients/condition/antioxidant) pathways in the brain.

## Health Benefits

• Improved reactive agility and reaction time - supported by one small RCT (n=21) showing significant improvements after 90 days
• Enhanced accuracy in cognitive tasks - demonstrated in the same controlled trial with young adults
• Potential [antioxidant](/ingredients/condition/antioxidant) support - based on high polyphenolic content including rosmarinic acid, though human evidence lacking
• Possible neuronal health support - preclinical data suggests BDNF pathway activation, but no human trials confirm this
• May support [cognitive performance](/ingredients/condition/cognitive) - limited to one reactive agility study; broader cognitive benefits unproven

## Mechanism of Action

Neumentix delivers high concentrations of rosmarinic acid and other hydroxycinnamic acid derivatives that inhibit acetylcholinesterase activity, prolonging acetylcholine availability at synaptic junctions to support attention and working memory. Its polyphenols also scavenge [reactive oxygen species](/ingredients/condition/antioxidant) (ROS) and downregulate [pro-inflammatory cytokine](/ingredients/condition/inflammation)s including IL-6 and TNF-α, reducing neuroinflammatory burden in hippocampal and prefrontal cortical tissue. Additionally, rosmarinic acid has demonstrated inhibition of COMT (catechol-O-methyltransferase), potentially increasing [dopamine](/ingredients/condition/mood)rgic and noradrenergic [neurotransmitter](/ingredients/condition/cognitive) availability relevant to executive function.

## Clinical Summary

The primary clinical evidence for Neumentix comes from a small randomized controlled trial (n=21 young adults) that demonstrated statistically significant improvements in reactive agility, reaction time, and cognitive task accuracy after 90 days of supplementation compared to placebo. A separate study in active older adults (n=142) found improvements in [working memory](/ingredients/condition/cognitive) and spatial cognition after 90 days at doses of 900 mg/day. The body of evidence is promising but limited by small sample sizes, short study durations, and the fact that most trials have been industry-funded, warranting cautious interpretation. Larger, independent RCTs are needed to confirm these findings across broader populations.

## Nutritional Profile

Neumentix is a proprietary spearmint (Mentha spicata) extract standardized to a high polyphenol content of approximately 14.5% total phenolic compounds by weight, significantly higher than conventional spearmint. Primary bioactive compounds include rosmarinic acid (the dominant polyphenol, estimated at ~5-8% of extract weight), salvianolic acid, lithospermic acid, and caftaric acid. Also contains luteolin, apigenin, and eriodictyol as minor flavonoid constituents. Unlike whole spearmint leaf, the extract is deliberately low in carvone (the primary terpene responsible for spearmint flavor), reduced to <1% to minimize sensory impact while concentrating polyphenols. Typical studied dosage is 900 mg of extract per day. The polyphenolic matrix exhibits meaningful water solubility, supporting reasonable oral bioavailability of rosmarinic acid, which is known to be absorbed in the small intestine and partially metabolized by colonic microbiota into caffeic acid and ferulic acid derivatives. Micronutrient content from the extract at supplemental doses is negligible — trace magnesium, potassium, and iron reflect whole-herb origins but are not present in clinically meaningful quantities at 900 mg extract doses. Fiber, protein, and fat content are essentially absent at typical extract concentrations. The [antioxidant](/ingredients/condition/antioxidant) capacity (ORAC value) of the extract is substantially elevated compared to standard spearmint, estimated to be 3-5 times higher per gram due to polyphenol enrichment.

## Dosage & Preparation

The only clinically studied dosage is 900 mg/day of standardized extract (14.5% rosmarinic acid, 24% total phenolics) in powder or capsule form, divided into doses over 90 days. No other dosage ranges or forms have been studied for Neumentix specifically. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Neumentix is generally well tolerated; clinical trials have reported no serious adverse events at the studied dose of 900 mg/day for up to 90 days. Because rosmarinic acid has mild COMT and [acetylcholine](/ingredients/condition/cognitive)sterase inhibitory activity, caution is theoretically warranted when combining it with cholinergic medications such as donepezil or rivastigmine, as additive effects are possible. Spearmint extracts contain small amounts of phytoestrogen-like compounds, so individuals with hormone-sensitive conditions should consult a physician before use. Safety data during pregnancy and lactation are insufficient, and use is not recommended in these populations without medical supervision.

## Scientific Research

Evidence for Neumentix is limited to a single randomized, double-blind, placebo-controlled trial on 21 healthy young adults (mean age 21.7 years) receiving 900 mg/day for 90 days, which showed significant improvements in reactive agility metrics (p<0.05). No PubMed PMIDs are available for Neumentix-specific studies, and no meta-analyses or large-scale trials on core [cognitive](/ingredients/condition/cognitive) outcomes have been conducted.

## Historical & Cultural Context

No historical or traditional medicine context is documented for Neumentix or branded spearmint extracts in the available research. While general Mentha spicata has been used traditionally for digestive and [anti-inflammatory](/ingredients/condition/inflammation) purposes, specific details about duration or systems of traditional use are not provided in the sources.

## Synergistic Combinations

Bacopa monnieri, Lion's Mane, L-theanine, Rhodiola rosea, Phosphatidylserine

## Frequently Asked Questions

### What is the recommended dosage of Neumentix for cognitive benefits?

Clinical trials supporting Neumentix's cognitive benefits used a standardized dose of 900 mg per day of the patented Mentha spicata extract. This dose was administered daily for 90 days in the key RCTs, and no studies have established a dose-response curve beyond this range, so exceeding 900 mg/day is not currently evidence-supported.

### How long does Neumentix take to work?

Based on the available RCT data, measurable improvements in reactive agility and cognitive accuracy were observed after 90 days of consistent daily supplementation at 900 mg. There is no published evidence demonstrating acute or single-dose cognitive effects for Neumentix, suggesting its benefits are cumulative and likely tied to sustained polyphenol accumulation and antioxidant activity over time.

### What makes Neumentix different from regular spearmint tea or extract?

Neumentix is a proprietary, water-extracted Mentha spicata concentrate standardized to contain approximately 14.5% total phenolic content, including high levels of rosmarinic acid and salvianolic acid B, which are significantly higher than what is found in conventional spearmint tea or generic spearmint powders. Standard spearmint tea delivers only trace amounts of these polyphenols per serving, making the bioactive dose far lower than what was used in clinical studies on Neumentix.

### Can Neumentix improve athletic performance as well as cognitive function?

Yes, one of the key studies on Neumentix specifically measured reactive agility — a neurocognitive-motor skill important in sport — and found statistically significant improvements in agility test performance and reaction time in young adults after 90 days at 900 mg/day. This suggests Neumentix may benefit the brain-to-body response speed relevant to athletes, though it is not a stimulant and does not appear to directly enhance muscular strength or aerobic capacity.

### Is Neumentix safe to take with coffee or caffeine supplements?

No direct drug interaction between Neumentix and caffeine has been identified in clinical research, and the combination is not known to be contraindicated. However, since both compounds may influence dopaminergic and noradrenergic signaling — caffeine via adenosine receptor antagonism and Neumentix via COMT inhibition — combining them could theoretically amplify stimulatory effects, and sensitive individuals should monitor for increased heart rate or anxiety when stacking the two.

### What does the clinical research show about Neumentix's effects on cognitive performance?

A randomized controlled trial (n=21) demonstrated that Neumentix supplementation for 90 days significantly improved reactive agility, reaction time, and accuracy in cognitive tasks among young adults. However, this evidence comes from a single small study, so larger and longer-duration trials are needed to confirm these findings and establish the strength of cognitive benefits. The ingredient's polyphenolic content, particularly rosmarinic acid, provides a theoretical antioxidant mechanism, though direct human evidence supporting neuronal protection remains limited.

### Is Neumentix safe for children or elderly individuals?

Neumentix (Mentha spicata) is derived from spearmint, which is generally recognized as safe for most populations, but formal safety studies specifically evaluating use in children or elderly populations have not been published. The clinical evidence supporting cognitive benefits comes from young adult populations, so efficacy in other age groups remains unclear. Individuals with specific health conditions should consult a healthcare provider before starting Neumentix supplementation.

### Does Neumentix interact with medications that affect the central nervous system or cognitive function?

While Neumentix contains bioactive compounds like rosmarinic acid with potential neurological activity, no documented drug interactions with common CNS medications or cognitive-enhancing drugs have been reported in the medical literature. The ingredient's safety profile when combined with prescription medications affecting neurotransmission has not been systematically studied, so individuals taking such medications should consult their healthcare provider. Its use alongside other herbal nootropics or cognitive supplements should also be discussed with a healthcare professional to ensure safety.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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