# Tinosporide

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/tinosporide
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 2 / 10
**Category:** Compound
**Also Known As:** (1S,2R,5S,8R,9R,10S)-2-hydroxy-9-(2-methylprop-1-en-1-yl)-6-methylidenedecahydro-1,5-methanocycloocta[c]furan-10-yl acetate, Clerodane furanoditerpenoid, Guduchi compound, Giloy alkaloid, TC-compound, Furanoditerpenoid acetate, Tinospora alkaloid

## Overview

Tinosporide is a clerodane-type diterpenoid lactone isolated primarily from Tinospora cordifolia, a plant used in Ayurvedic medicine. Its most studied mechanism involves inhibition of acetylcholinesterase (AChE), the enzyme responsible for breaking down the [neurotransmitter](/ingredients/condition/cognitive) acetylcholine, suggesting potential cognitive and neuroprotective applications.

## Health Benefits

• May support [cognitive function](/ingredients/condition/cognitive) through acetylcholinesterase inhibition (IC₅₀ 13.45 μg/ml in vitro studies only)
• Potential memory enhancement via cholinergic pathway modulation (preliminary in vitro evidence)
• May offer neuroprotective benefits based on molecular docking studies (in silico evidence only)
• Possible [anti-inflammatory](/ingredients/condition/inflammation) effects (inferred from parent plant studies, not tinosporide-specific)
• Traditional use for [immune support](/ingredients/condition/immune-support) (based on Tinospora cordifolia use, no direct tinosporide evidence)

## Mechanism of Action

Tinosporide inhibits [acetylcholine](/ingredients/condition/cognitive)sterase (AChE) with an IC₅₀ of approximately 13.45 μg/ml in vitro, reducing the hydrolysis of acetylcholine and thereby prolonging cholinergic neurotransmission at muscarinic and nicotinic receptors. Molecular docking studies suggest tinosporide binds within the active gorge of AChE, interacting with catalytic residues Ser203 and His447 in a manner analogous to established cholinesterase inhibitors. Secondary mechanisms under investigation include modulation of [oxidative stress](/ingredients/condition/antioxidant) pathways and possible interaction with NMDA receptor signaling, though these remain purely in silico or early in vitro findings.

## Clinical Summary

To date, no published human clinical trials have evaluated tinosporide as an isolated compound. Available evidence is restricted to in vitro enzyme inhibition assays and computational molecular docking simulations, which, while hypothesis-generating, cannot establish efficacy or safe dosing in humans. Some animal studies on whole Tinospora cordifolia extracts report [cognitive](/ingredients/condition/cognitive) improvements, but attributing these effects specifically to tinosporide versus other constituents such as berberine, palmatine, or tinocordiside is not currently possible. The overall evidence base is at an early preclinical stage, and any therapeutic claims require validation through randomized controlled trials.

## Nutritional Profile

Tinosporide is a clerodane-type furanoid diterpene compound isolated from Tinospora cordifolia (Guduchi/Giloy). It is a pure bioactive compound, not a whole food ingredient, and therefore lacks conventional macronutrient or micronutrient content.

**Chemical Identity:**
- Class: Clerodane furanoid diterpene lactone
- Molecular Formula: C₂₀H₂₄O₆
- Molecular Weight: ~364.4 g/mol
- CAS-like identity: Trace constituent of Tinospora cordifolia stem

**Concentration in Source Plant:**
- Found in very low concentrations in Tinospora cordifolia stems (typically <0.1% of dry extract weight)
- Isolated alongside related compounds: tinosporon, columbin, and isocolumbin

**Bioactive Compound Profile:**
- Primary bioactive: Furanoid diterpene lactone skeleton with clerodane framework
- Contains α,β-unsaturated lactone moiety (potentially responsible for bioactivity)
- Hydroxyl and acetoxy functional groups contribute to reactivity

**Bioavailability Notes:**
- No clinical pharmacokinetic data available for isolated tinosporide
- Lipophilic diterpene nature suggests potential for passive membrane diffusion
- Oral bioavailability presumed low due to first-pass [metabolism](/ingredients/condition/weight-management) (extrapolated from similar diterpenes)
- Blood-brain barrier penetration suggested by in silico molecular docking studies only
- No established dietary reference intake, therapeutic dose, or GRAS status as isolated compound

## Dosage & Preparation

No clinically studied dosage ranges for tinosporide in any form are available due to absence of human trials. In vitro studies used concentrations yielding IC₅₀ of 13.45 μg/ml for [acetylcholine](/ingredients/condition/cognitive)sterase inhibition, but no human dosing has been established. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

No clinical safety profile exists for isolated tinosporide, as human trials have not been conducted. Extrapolating from whole Tinospora cordifolia research, potential concerns include mild gastrointestinal upset and, at high doses, possible immunostimulatory effects that could be contraindicated in autoimmune conditions or organ transplant recipients. Because tinosporide mechanistically inhibits [acetylcholine](/ingredients/condition/cognitive)sterase, additive cholinergic effects are theoretically possible when combined with pharmaceutical AChE inhibitors such as donepezil or rivastigmine, potentially increasing the risk of bradycardia, nausea, or excessive secretions. Pregnant and breastfeeding individuals should avoid isolated tinosporide due to a complete absence of reproductive safety data.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses specifically on tinosporide have been conducted. The only related clinical evidence comes from a pilot trial (PMID: 33520840) using Tinospora cordifolia extract (not isolated tinosporide) in hypertriglyceridemia patients, showing suppression of [inflammatory](/ingredients/condition/inflammation) markers. All tinosporide-specific evidence is limited to in vitro [acetylcholine](/ingredients/condition/cognitive)sterase inhibition studies and in silico ADMET predictions.

## Historical & Cultural Context

Tinospora cordifolia, the source of tinosporide, has been used in Ayurveda for centuries as 'Guduchi' for [immunomodulat](/ingredients/condition/immune-support)ion, diabetes, [inflammation](/ingredients/condition/inflammation), and fever. While the plant has extensive traditional use spanning Indian medicine systems, tinosporide itself is not specifically mentioned in historical contexts.

## Synergistic Combinations

Bacopa monnieri, Ginkgo biloba, Lion's Mane, Phosphatidylserine, Huperzine A

## Frequently Asked Questions

### What is tinosporide and where does it come from?

Tinosporide is a clerodane-type diterpenoid lactone extracted from the stem and root bark of Tinospora cordifolia, a climbing shrub central to Ayurvedic medicine. It belongs to the diterpenoid class of compounds, sharing structural features with other bioactive lactones but distinguished by its specific clerodane carbon skeleton. Tinospora cordifolia also contains alkaloids like berberine and glycosides like tinocordiside, making tinosporide one of several potentially active constituents.

### Can tinosporide improve memory or cognitive function?

Tinosporide has demonstrated acetylcholinesterase inhibition with an IC₅₀ of 13.45 μg/ml in cell-free in vitro assays, a mechanism shared by approved Alzheimer's drugs like donepezil, suggesting a plausible pathway for cognitive support. However, no human studies have tested tinosporide in isolation for memory outcomes, and no effective human dose has been established. Current evidence does not support clinical recommendations for cognitive enhancement from tinosporide alone.

### What is the difference between tinosporide and tinospora cordifolia extract?

Tinospora cordifolia extract is a complex mixture containing dozens of bioactive compounds including alkaloids (berberine, palmatine), glycosides (tinocordiside, cordioside), sterols, and multiple diterpenoids including tinosporide. Tinosporide is one isolated diterpenoid constituent within that broader extract, studied to understand specific mechanistic contributions. Research on whole extracts cannot be used to confirm the benefits or safety of tinosporide in isolation, as synergistic or antagonistic interactions between constituents are not yet characterized.

### Is tinosporide safe to take as a supplement?

No human clinical trials have assessed the safety, tolerability, or pharmacokinetics of isolated tinosporide, meaning no evidence-based safe dose range currently exists. Its AChE-inhibiting mechanism raises a theoretical risk of cholinergic side effects such as excessive salivation, nausea, bradycardia, or muscle cramps, particularly at higher concentrations. Until dedicated safety studies are completed, tinosporide cannot be considered a validated supplement ingredient, and individuals on cholinergic medications should consult a physician before using any Tinospora-derived product.

### How does tinosporide compare to other acetylcholinesterase inhibitors?

Tinosporide's reported IC₅₀ of 13.45 μg/ml for AChE inhibition is substantially weaker than pharmaceutical AChE inhibitors: donepezil achieves IC₅₀ values in the low nanomolar range (approximately 0.023 μg/ml), making it roughly 500–600 times more potent by this in vitro metric. Additionally, tinosporide's data comes only from cell-free biochemical assays, while donepezil and rivastigmine have been validated through large-scale randomized controlled trials in humans. Tinosporide's current evidence does not support it as a substitute for or equivalent to approved cholinesterase-inhibiting therapeutics.

### What does the current research evidence show about tinosporide's effectiveness?

Most evidence for tinosporide comes from in vitro laboratory studies and computational modeling rather than human clinical trials. While in vitro studies show acetylcholinesterase inhibition at an IC₅₀ of 13.45 μg/ml, this does not guarantee equivalent effects in the human body. To date, there are no published human randomized controlled trials specifically testing tinosporide's cognitive or neuroprotective benefits, making it difficult to establish real-world efficacy. More rigorous clinical research is needed before strong claims about its effectiveness can be made.

### Are there any drug interactions I should know about with tinosporide?

Because tinosporide may inhibit acetylcholinesterase, it could theoretically potentiate the effects of acetylcholinesterase inhibitor medications (such as donepezil or rivastigmine) used for Alzheimer's disease. If you are taking prescription cognitive or neurological medications, you should consult your healthcare provider before adding tinosporide supplements. Limited human data exists on tinosporide's specific drug interactions, so individual medical guidance is particularly important. No major interactions with common medications have been documented, but more research is needed to establish a complete interaction profile.

### Who would be the best candidate to benefit from tinosporide supplementation?

Tinosporide may theoretically appeal to individuals seeking cholinergic cognitive support, though the lack of human clinical evidence means it is not specifically recommended for any population. It is not appropriate for children, pregnant or nursing women, or individuals with certain neurological conditions without professional medical guidance. Those already taking acetylcholinesterase inhibitors should avoid tinosporide unless directly supervised by their healthcare provider. At present, the limited evidence base means tinosporide is not established as a supplement for any particular demographic group.

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