# Ayurvedic medicine and cancer

Source: https://onco.cc/technologies/ayurvedic-medicine-cancer/  
OnCo record `ayurvedic-medicine-cancer` (Technology). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

Ayurveda, the traditional medicine of India, offers diet, yoga, herbs and mineral preparations. Yoga has good evidence in its own right; the herbal and mineral remedies have not been shown to treat cancer, and a fifth of products sold online contained lead, mercury or arsenic in one study.

## Summary

Ayurvedic practice is used by a large share of cancer patients in South Asia and in the South Asian diaspora. Its exercise and mind-body components (yoga, pranayama) overlap with practices that have randomised evidence for fatigue and mood. Its herbal and rasa shastra (metal- and mineral-containing) remedies have no randomised trials showing anticancer or survival benefit, and a survey of Ayurvedic products sold on the internet (Saper et al., JAMA 2008) found detectable lead, mercury or arsenic in about one fifth, with rasa shastra products the most likely to exceed safety limits. Case series describe lead poisoning in users. Herbs such as ashwagandha (Withania somnifera) have small trials for fatigue and anxiety but also reports of liver injury. Oncologists should ask about Ayurvedic products and check heavy-metal exposure if symptoms fit.

## Fields

- Kind: Technology
- Status: concept
- Last checked: 2026-09-10
- Tags: complementary; supportive-care; evidence:insufficient
- Principle: A constitutional system of diet, lifestyle and remedies; the mind-body elements act through the same pathways as yoga and meditation, while the pharmacology of most remedies is uncharacterised.
- Strengths: Yoga component has independent evidence; Culturally important and widely used, so worth discussing
- Limitations: No trial evidence of anticancer effect; Heavy-metal contamination of some products; Hepatotoxicity reports

## Sources

- Wikipedia: https://en.wikipedia.org/wiki/Ayurveda
- Lead, mercury and arsenic in US- and Indian-manufactured Ayurvedic medicines sold via the internet (JAMA 2008): https://doi.org/10.1001/jama.300.8.915
- MSK About Herbs: Ashwagandha: https://www.mskcc.org/cancer-care/integrative-medicine/herbs/ashwagandha

## Connected records

- fronts: [Supportive Care & Survivorship](https://onco.cc/fronts/supportive-care/)
- technologies: [Dietary supplements during cancer treatment: interactions and harms](https://onco.cc/technologies/dietary-supplements-treatment-interactions/), [Evidence-based integrative oncology](https://onco.cc/technologies/integrative-oncology/), [Yoga during and after cancer treatment](https://onco.cc/technologies/yoga-cancer/)
- bottlenecks: [Misinformation and unproven therapies](https://onco.cc/bottlenecks/b-misinformation/)
- key papers: [Lead, mercury, and arsenic in US- and Indian-manufactured Ayurvedic medicines sold via the Internet](https://onco.cc/key-papers/paper-saper-jama/)

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