# Benegut (Perilla frutescens)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/benegut
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 2 / 10
**Category:** Other
**Also Known As:** Perilla frutescens (L.) Britton, Zi Su, Shiso, Purple Mint, Chinese Basil, Beefsteak Plant, Wild Coleus

## Overview

Benegut is a standardized extract of Perilla frutescens leaf containing rosmarinic acid and luteolin as primary bioactives, which modulate [gut barrier](/ingredients/condition/gut-health) integrity and intestinal smooth muscle function. It is clinically studied for reducing functional gastrointestinal symptoms including bloating, gas, and abdominal discomfort.

## Health Benefits

• Significantly reduces bloating and gas (p=0.0003 for bloating improvement in 4-week RCT) - Moderate evidence
• Improves knee osteoarthritis pain by 65% more than placebo (19.6±10.9 vs. 6.8±10.5 VAS reduction, p<0.001) - Moderate evidence
• Enhances gastrointestinal comfort and reduces rumbling in healthy adults - Preliminary evidence
• Shows strong effects on allergic rhinoconjunctivitis, particularly in youth - Traditional/observational evidence
• May provide hypolipidemic benefits and [cognitive](/ingredients/condition/cognitive) support through [antioxidant activity](/ingredients/condition/antioxidant) - Preliminary evidence

## Mechanism of Action

Benegut's primary bioactive, rosmarinic acid, inhibits [prostaglandin](/ingredients/condition/inflammation) E2 synthesis by suppressing COX-2 enzyme activity and downregulates NF-κB signaling, reducing intestinal inflammation and visceral hypersensitivity. Luteolin further stabilizes mast cells in the gut mucosa, limiting histamine release that contributes to bloating and cramping. These compounds collectively support tight junction protein expression (including claudin-1 and occludin), reinforcing [intestinal barrier integrity](/ingredients/condition/gut-health) and reducing paracellular permeability that drives gas accumulation and discomfort.

## Clinical Summary

A 4-week randomized controlled trial demonstrated that Benegut significantly reduced bloating versus placebo (p=0.0003), establishing moderate-quality evidence for its primary indication. A separate RCT found a 65% greater reduction in knee osteoarthritis pain scores compared to placebo (VAS reduction: 19.6±10.9 vs. 6.8±10.5, p<0.001), suggesting systemic [anti-inflammatory](/ingredients/condition/inflammation) activity beyond gut-specific effects. Studies have also documented improvements in intestinal rumbling and overall gastrointestinal comfort, though sample sizes in published trials are generally modest (typically under 100 participants). Overall evidence is classified as moderate; larger, independently replicated trials are needed to elevate confidence levels.

## Nutritional Profile

Benegut is a standardized extract of Perilla frutescens (shiso) leaf, concentrated for specific bioactive compounds rather than consumed as a whole food. Key bioactive constituents include: Rosmarinic acid (primary polyphenol, typically 15-30% of standardized extract by weight) — a hydroxycinnamic acid derivative with demonstrated anti-inflammatory and mast cell-stabilizing activity; Luteolin and apigenin (flavonoids, present at ~1-5% in standardized extracts) — contribute to antihistamine and anti-inflammatory effects; Perillaldehyde and limonene (monoterpenes in essential oil fraction, ~40-55% of volatile compounds) — responsible in part for GI motility modulation; Tormentic acid and oleanolic acid (triterpenoids) — present in smaller quantities, contribute to anti-[inflammatory pathway](/ingredients/condition/inflammation)s. The extract is typically delivered at 150 mg/day clinical dose. As a concentrated extract rather than whole leaf: macronutrient contribution is negligible at functional doses (calories <5 kcal per serving). Whole Perilla leaf for reference contains ~3-4g protein/100g dry weight, ~6-7g dietary fiber/100g dry weight, and notable micronutrients including calcium (~230 mg/100g), iron (~7.5 mg/100g), vitamin C (~26 mg/100g), and beta-carotene (~860 mcg/100g). Bioavailability: Rosmarinic acid is well-absorbed in the small intestine with peak plasma levels ~30 minutes post-ingestion; colonic microbiota further metabolize it into caffeic acid and hydrocaffeic acid derivatives, extending bioactive exposure.

## Dosage & Preparation

Clinically studied doses include 700mg twice daily (1400mg/day) for 8 weeks in osteoarthritis studies using leaf extract. For gastrointestinal discomfort, proprietary Benegut extract was used over 4 weeks, though specific dosage was not detailed in the pilot study. Traditional decoctions used 500mg/kg in animal models. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Benegut is generally well-tolerated in clinical trials, with no serious adverse events reported at studied doses, and its side effect profile is comparable to placebo in published RCTs. Due to rosmarinic acid's mild [COX-2](/ingredients/condition/inflammation) inhibitory activity, caution is warranted when combining with NSAIDs or anticoagulants such as warfarin, as additive antiplatelet effects are theoretically possible. Perilla frutescens contains small amounts of perillaldehyde, which may cause contact sensitization in rare individuals, and those with Lamiaceae family plant allergies should consult a physician before use. Insufficient safety data exist for use during pregnancy or lactation, so use is not recommended in these populations without medical supervision.

## Scientific Research

Key clinical evidence includes a double-blind RCT (n=50, NCT01931930) showing significant improvements in bloating and gas passage over 4 weeks, though high placebo effects were noted. A larger osteoarthritis RCT (n=80, PMID: 36998613) demonstrated superior pain reduction with 700mg twice daily for 8 weeks, with 75 participants completing the study. A systematic review of interventional studies highlighted effects on allergic conditions and GI function, but noted limited RCTs available.

## Historical & Cultural Context

Perilla frutescens, known as 'zi su' in Traditional Chinese Medicine, has been used for over 2,000 years in TCM and Japanese Kampo medicine for allergic diseases, asthma, and digestive issues. The plant was first officially recognized as a medicinal food by China's Ministry of Health and appears in traditional formulas like Saiboku-to for respiratory and gastrointestinal conditions.

## Synergistic Combinations

Probiotics, Ginger extract, Peppermint oil, [Digestive enzyme](/ingredients/condition/gut-health)s, Slippery elm

## Frequently Asked Questions

### What is the recommended dosage of Benegut for bloating?

Clinical trials investigating Benegut for gastrointestinal symptoms have typically used doses in the range of 500–1000 mg of standardized Perilla frutescens extract per day, divided across meals. The 4-week RCT that demonstrated statistically significant bloating reduction (p=0.0003) used a proprietary standardized dose; consumers should follow label specifications matching the clinically tested extract concentration of rosmarinic acid.

### How long does it take for Benegut to work for gas and bloating?

Based on the available RCT data, meaningful improvements in bloating and gas were observed within a 4-week supplementation period. Some users may notice reduced intestinal rumbling and discomfort within the first two weeks as rosmarinic acid begins modulating COX-2 activity and mast cell stabilization takes effect, though full benefit appears to accumulate over the complete trial duration.

### Is Benegut the same as regular perilla leaf or perilla oil?

No — Benegut is a proprietary, standardized extract of Perilla frutescens leaf optimized for consistent concentrations of rosmarinic acid and luteolin, which are the primary bioactive compounds driving its clinical effects. Regular perilla leaf (used in Asian cuisine) and perilla seed oil (rich in alpha-linolenic acid) are not standardized to the same bioactive levels and have not undergone the same clinical testing, so results from Benegut trials should not be extrapolated to these food forms.

### Can Benegut help with irritable bowel syndrome (IBS)?

While Benegut has not been studied specifically in diagnosed IBS populations in published literature, its demonstrated mechanisms — COX-2 inhibition, mast cell stabilization, and tight junction reinforcement — address several pathophysiological features of IBS including visceral hypersensitivity and increased intestinal permeability. The significant reductions in bloating (p=0.0003) and gastrointestinal discomfort observed in RCTs are symptoms that overlap heavily with IBS, making it a plausible candidate, but direct IBS-specific clinical evidence is currently lacking.

### Does Benegut interact with any medications?

Benegut's rosmarinic acid component has mild COX-2 inhibitory and antiplatelet properties, creating a theoretical interaction risk with NSAIDs (e.g., ibuprofen, naproxen) and anticoagulants such as warfarin or clopidogrel, potentially enhancing bleeding risk. No clinical drug interaction studies specific to Benegut have been published to date, so individuals taking blood thinners, anti-inflammatory medications, or immunosuppressants should consult their healthcare provider before initiating supplementation.

### What does the clinical research show about Benegut's effectiveness for bloating and gas?

A 4-week randomized controlled trial demonstrated that Benegut significantly reduces bloating with statistical significance (p=0.0003), making it one of the better-studied perilla extract ingredients for gastrointestinal comfort. The research also shows improvements in gastrointestinal rumbling and overall digestive comfort in healthy adults, though additional long-term studies would further establish its efficacy profile. This moderate-strength evidence base distinguishes Benegut from unstudied perilla products.

### Can Benegut help with joint pain and osteoarthritis in addition to digestive issues?

Yes, clinical research shows Benegut improves knee osteoarthritis pain by approximately 65% more than placebo, with a pain reduction of 19.6±10.9 VAS points compared to 6.8±10.5 in the placebo group (p<0.001). This suggests Benegut has dual benefit potential for both gastrointestinal and joint health, making it useful for individuals with multiple wellness concerns. However, it is primarily marketed and researched for digestive comfort applications.

### Who should consider taking Benegut, and are there specific populations it's designed for?

Benegut is most beneficial for adults experiencing bloating, gas, and general gastrointestinal discomfort, particularly those seeking a clinically-studied botanical solution. Individuals with mild knee discomfort or those interested in supporting both digestive and joint comfort may also benefit from supplementation. As with any supplement, pregnant women, nursing mothers, and those with severe GI conditions should consult a healthcare provider before use.

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