---
title: "Meaning & Key Takeaway of: Tout est poison, rien n'est poison, tout…"
description: "\"Tout est poison, rien n'est poison, tout est une question de dose. Everything is poisonous, nothing is poisonous, it is all a matter of dose.\" — Claude..."
image: "https://sms4smile.com/quotes/i/640/claude-bernard-7455_dose_tout-est-poison-rien-n-est-poison-tout-e_204844.png"
---

#  Tout est poison, rien n'est poison, tout est une question…

![“Tout est poison, rien n'est poison, tout est une question de dose. Everything is poisonous, nothing is poisonous, it is all a matter of dose.” quote by Claude Bernard](https://sms4smile.com/quotes/i/640/claude-bernard-7455_dose_tout-est-poison-rien-n-est-poison-tout-e_204844.png)   [Download](https://sms4smile.com/quotes/i/640/claude-bernard-7455_dose_tout-est-poison-rien-n-est-poison-tout-e_204844.png) [Open image](https://sms4smile.com/quotes/i/640/claude-bernard-7455_dose_tout-est-poison-rien-n-est-poison-tout-e_204844.png)

> “Tout est poison, rien n'est poison, tout est une question de dose. Everything is poisonous, nothing is poisonous, it is all a matter of dose.”

[Claude Bernard](https://sms4smile.com/quotes/author/claude-bernard/)

## About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

The effect of a substance depends on its amount; both too little and too much can be harmful.

**In simple terms:** Dose determines harm.

Key Takeaway

Adjust dosage to stay safe.

Themes

health toxicity moderation

Mood

cautious analytical

Type

scientific educational

When to use this quote

- medical dosing
- environmental exposure
- nutrition
- chemistry

Key Concepts

pharmacology dose-response risk assessment

Questions to Reflect On

- How do you assess safe levels?
- What factors influence dose thresholds?

A Different Perspective

Even small doses can accumulate over time.

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