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Organic, Biodynamic, Natural: How to Finally Make Sense of Wine Labels

Understanding WinePractical Guide

AB logo, Demeter certification, natural wine, no sulphites added… We untangle the truth from the myths about the three main approaches to responsible winemaking.

At a restaurant or wine shop, the choice can quickly become overwhelming. Between the green AB logo, the Demeter label, the words “living wine” or “no sulphites added”… it’s easy to get lost.

Does organic wine taste better? Is biodynamics a form of witchcraft? Is natural wine always on the edge of turning to vinegar? At Le Petit Musée du Vin, we’ve designed a whole interactive tour to separate fact from fiction. Here’s the essential guide to choosing your bottle with confidence.


1. Organic Wine: “No synthetic chemistry”

This is the most familiar label, recognisable by the European logo (the green leaf of stars). Simply put: the organic winemaker commits to using no synthetic chemicals derived from petroleum.

  • In the vineyard: This is the golden rule. No herbicides (chemical weedkillers) or synthetic pesticides. To protect the vine against disease, naturally-derived products are used: copper, sulphur and plant-based preparations.
  • In the cellar: Contrary to popular belief, organic wine can contain sulphites (used to stabilise the wine), but at lower doses than conventional wine.

The goal? Protect the environment and the consumer’s health, while still securing a harvest. Bear in mind that yields are often lower and less consistent than conventional farming.


2. Biodynamic Wine: “Organic + the stars”

Often confused with organic, biodynamics goes much further. It’s a method born in 1924, inspired by philosopher Rudolf Steiner. A biodynamic wine is necessarily organic, but it adds an almost philosophical dimension:

  • The vine as a whole: It’s treated as a complex living organism, connected to the soil, the air and… cosmic rhythms.
  • The preparations: No conventional fertilisers. The winemaker enriches the soil with highly specific preparations, such as the famous “horn manure” (preparation 500) buried in winter, or silica to capture light.
  • The lunar calendar: Farm work (pruning, harvesting, bottling) often follows moon and planetary cycles.

The result? Very low yields, but wines often celebrated for their purity, their “vibration” and a very strong expression of terroir. Certified by Demeter or Biodyvin.


3. Natural Wine: “Just the grape, nothing else”

This is the most “rock and roll” of the three. Long without an official definition, it refers to wines made with the least possible intervention.

  • Indigenous yeasts: No purchased yeasts added from a packet. The winemaker lets the yeasts naturally present on the grape skins do all the work. Riskier, but it produces unique flavours.
  • Zero additives (or almost): No fining agents, no enzymes, no filtration.
  • The sulphites question: This is the key difference. Natural wine contains little or no added sulphites.

The taste? These are vibrant wines, sometimes slightly cloudy (as they’re unfiltered). They can surprise with explosive fruit aromas, but sometimes also with more farmhouse or cider-like notes.


Which one to choose?

There is no “best” wine in absolute terms — only the wine that matches your expectations and values.

  • Organic is a foundational environmental guarantee.
  • Biodynamic is a pursuit of excellence and harmony with living systems.
  • Natural is a sensory adventure for those who love fruit in its rawest form.

But let’s not forget the essential truth: organic or conventional, every winemaker is first and foremost trying to protect their vines and make a living from their work.


In our “The Vine” room, we’ve set up an interactive game: “Separate fact from fiction.” Come and buzz your answers to test your assumptions about treatments, yields and the winemaker’s craft!