# Gynostemma Tea (Gynostemma pentaphyllum)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/gynostemma-tea
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-24
**Evidence Score:** 2 / 10
**Category:** Other
**Also Known As:** Gynostemma pentaphyllum, Jiaogulan, Southern Ginseng, Five-leaf Ginseng, Immortality Herb, Sweet Tea Vine, Miracle Grass, Fairy Herb

## Overview

Gynostemma pentaphyllum is an [adaptogenic herb](/ingredients/condition/stress) whose primary bioactive compounds, gypenosides, structurally resemble ginsenosides from panax ginseng and modulate AMPK pathways to support metabolic and [anti-inflammatory](/ingredients/condition/inflammation) functions. Preclinical research highlights its potential in blood sugar regulation, lipid [metabolism](/ingredients/condition/weight-management), and [oxidative stress](/ingredients/condition/antioxidant) reduction.

## Health Benefits

• [Anti-inflammatory](/ingredients/condition/inflammation) effects: Gypenosides inhibited LPS-induced inflammation markers (IL-6, IL-1β, TNF-α, NO) in macrophage studies (preclinical evidence only)
• Potential anticancer activity: In vitro studies showed apoptosis and cell cycle arrest in colon, oral, and prostate cancer cell lines (no human data)
• Traditional [longevity](/ingredients/condition/longevity) support: Used for over 2,000 years in TCM for health maintenance and longevity (traditional use only)
• [Adaptogen](/ingredients/condition/stress)ic properties: Traditionally consumed as an adaptogen similar to ginseng (historical use, no clinical trials)
• Respiratory and digestive support: Traditional use for treating respiratory and digestive issues (no modern clinical evidence)

## Mechanism of Action

Gypenosides activate AMP-activated protein kinase (AMPK), a key cellular energy sensor that enhances [insulin sensitivity](/ingredients/condition/weight-management) and suppresses hepatic glucose production via downregulation of PEPCK and G6Pase enzymes. Additionally, gypenosides inhibit NF-κB signaling, reducing transcription of [pro-inflammatory cytokine](/ingredients/condition/inflammation)s including IL-6, IL-1β, and TNF-α in macrophages. Some gypenosides also exhibit antioxidant activity by upregulating Nrf2/HO-1 pathways, reducing intracellular [reactive oxygen species](/ingredients/condition/antioxidant).

## Clinical Summary

A small randomized controlled trial in patients with type 2 diabetes (n=24) found that gynostemma extract reduced fasting [blood glucose](/ingredients/condition/weight-management) and HbA1c over 12 weeks compared to placebo, though the sample size limits generalizability. A separate 4-week pilot study in overweight adults reported modest reductions in total cholesterol and LDL with standardized gynostemma extract at 450 mg/day. [Anti-inflammatory](/ingredients/condition/inflammation) and anticancer findings remain largely preclinical, derived from in vitro macrophage and cancer cell line studies with no confirmed human clinical equivalence. Overall, the evidence base is preliminary; larger, well-controlled human trials are needed before strong efficacy claims can be made.

## Nutritional Profile

Gynostemma pentaphyllum leaf tea is a low-calorie beverage with negligible macronutrient content per typical serving (1–2g dried leaf per 200ml). Primary bioactive compounds are triterpenoid saponins called gypenosides (gynosaponins), with over 230 identified to date; dried leaf contains approximately 1–3% gypenosides by dry weight, with commercial extracts standardized to 20–98% gypenoside content. Notably, approximately 4 of these gypenosides are structurally identical or closely related to ginsenosides found in Panax ginseng (Rb1, Rd, F2, and Rg3 analogs). Polysaccharides are present at roughly 3–5% dry weight and contribute to [immunomodulatory](/ingredients/condition/immune-support) activity. Chlorophyll content is moderate (~1.5–2.5 mg/g dry leaf). Flavonoids including rutin, quercetin, and ombuoside are present at approximately 0.5–1.2% dry weight. Amino acid profile includes 18 amino acids with glutamic acid, aspartic acid, and glycine predominating; total free amino acid content estimated at 2–4% dry weight. Mineral content per 100g dry leaf includes potassium (~1,200–1,800 mg), calcium (~800–1,200 mg), magnesium (~200–350 mg), iron (~15–25 mg), zinc (~2–4 mg), and selenium (~0.05–0.15 mg). Vitamin content is modest: vitamin C (~40–80 mg/100g dry), beta-carotene precursor to vitamin A (~3–6 mg/100g dry), and small amounts of B vitamins including riboflavin and niacin. Bioavailability note: Gypenosides undergo significant first-pass intestinal microbial biotransformation; hydrolysis by gut microbiota releases aglycone forms (dammarane-type triterpenoids) which are more lipophilic and may exhibit enhanced cellular uptake, though systemic bioavailability data in humans is limited. Tea infusion captures water-soluble gypenosides, polysaccharides, flavonoids, and amino acids, but lipophilic compounds are poorly extracted without ethanol or other solvents.

## Dosage & Preparation

No clinically studied dosages have been established in human trials. In vitro studies used gypenosides at 200 μg/ml, and commercial extracts vary from 1-10% gypenoside content by dry weight. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Gynostemma tea is generally considered safe when consumed as a traditional herbal tea, but high-dose standardized extracts may cause nausea, increased bowel movements, or mild dizziness in sensitive individuals. Due to its [blood glucose](/ingredients/condition/weight-management)-lowering activity via AMPK activation, concurrent use with antidiabetic medications such as metformin or insulin carries a risk of additive hypoglycemia requiring medical supervision. Gynostemma may also potentiate anticoagulant drugs like warfarin by inhibiting platelet aggregation, and individuals on blood thinners should consult a healthcare provider before use. Safety data during pregnancy and breastfeeding is insufficient, and use is not recommended in these populations.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses were identified for Gynostemma pentaphyllum or its tea/extracts. All available evidence is limited to preclinical in vitro studies using cell lines and traditional use documentation.

## Historical & Cultural Context

Known as 'Jiaogulan' in Traditional Chinese Medicine, Gynostemma pentaphyllum has been used for over 2,000 years as a tea for health maintenance, [longevity](/ingredients/condition/longevity), fatigue relief, and treating various ailments. It gained prominence in the 1980s as an [adaptogen](/ingredients/condition/stress) similar to ginseng, consumed as whole-leaf tea or decoctions throughout China, Japan, and Korea.

## Synergistic Combinations

Ginseng, Rhodiola, Ashwagandha, Green Tea, Schisandra

## Frequently Asked Questions

### What is gynostemma tea used for?

Gynostemma tea is traditionally used in East Asian herbal medicine as an adaptogen to reduce fatigue and stress, and modern research investigates its potential to support blood sugar regulation, lipid balance, and anti-inflammatory responses. Its gypenosides activate AMPK, the same energy-sensing pathway targeted by the diabetes drug metformin, which underpins its metabolic applications.

### How much gynostemma tea should I drink per day?

Traditional consumption ranges from 1 to 3 cups of brewed gynostemma leaf tea per day, using approximately 2–3 grams of dried herb per cup. Standardized extracts used in clinical pilot studies have ranged from 450 mg to 800 mg daily; however, no universally established therapeutic dose exists, and higher doses should be approached cautiously due to limited long-term safety data.

### Does gynostemma tea lower blood sugar?

Preclinical and small-scale human studies suggest gynostemma may lower blood sugar by activating AMPK, which enhances peripheral glucose uptake and suppresses hepatic glucose output by downregulating PEPCK and G6Pase enzymes. A 12-week RCT in 24 type 2 diabetic patients reported reductions in fasting blood glucose and HbA1c, but the evidence remains preliminary and should not replace standard antidiabetic treatment.

### Is gynostemma the same as ginseng?

Gynostemma pentaphyllum is not ginseng, but it is sometimes called 'southern ginseng' because its gypenosides are structurally similar to ginsenosides found in panax ginseng and share overlapping adaptogenic properties. Both herbs activate stress-response pathways and have been studied for anti-fatigue and metabolic benefits, but they are botanically distinct plants from different families.

### Are there any side effects of drinking gynostemma tea?

At typical tea-brewing concentrations, gynostemma is well tolerated, but some individuals report mild gastrointestinal effects such as nausea, loose stools, or stomach discomfort, particularly with concentrated extracts. People taking blood sugar-lowering medications, anticoagulants like warfarin, or immunosuppressants should exercise caution due to potential additive or interactive effects on glucose levels and platelet function.

### What is the difference between gynostemma tea and other adaptogenic herbs like ashwagandha or rhodiola?

Gynostemma contains unique compounds called gypenosides that function similarly to ginsenosides in ginseng, making it distinct from ashwagandha's withanolides or rhodiola's rosavins. While all three are considered adaptogens used in traditional medicine, gynostemma has specific anti-inflammatory and potential immune-supporting properties documented in preclinical research. The choice between them often depends on individual health goals and traditional medicine systems—gynostemma is particularly emphasized in Traditional Chinese Medicine for longevity support.

### Is gynostemma tea safe to take long-term?

Gynostemma has been used safely in Traditional Chinese Medicine for over 2,000 years for general health maintenance, suggesting a favorable long-term safety profile. However, most modern safety data comes from short-term studies, and individuals taking blood sugar medications or anticoagulants should consult a healthcare provider before long-term use due to potential interactions. Pregnant or nursing women should seek medical guidance before regular consumption, as comprehensive safety data in these populations is limited.

### What does current clinical research actually show about gynostemma's anti-cancer claims?

Existing research on gynostemma's anticancer properties is limited to laboratory in vitro studies showing that gypenosides can induce apoptosis and cell cycle arrest in colon, oral, and prostate cancer cell lines—this represents very early-stage research with no human clinical trials. These findings are promising for future investigation but cannot be considered evidence that gynostemma prevents or treats cancer in people. Anyone interested in gynostemma for cancer-related concerns should discuss it with their oncologist rather than relying on laboratory evidence alone.

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