Why Isn’t Wine Vegetarian

As someone who enjoys wine and supports vegetarianism, I was surprised to discover that not all wines are vegetarian-friendly. The idea that wine could include animal-derived components had never occurred to me. Yet, with more …

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As someone who enjoys wine and supports vegetarianism, I was surprised to discover that not all wines are vegetarian-friendly. The idea that wine could include animal-derived components had never occurred to me. Yet, with more investigation, I realized that the wine production process can include animal-based fining agents, which serve to clarify and stabilise the wine.

Let’s take a closer look at why wine may not be vegetarian and the various animal products that can find their way into our glasses.

1. Animal-Derived Fining Agents

Fining is a process used during winemaking to remove solids or particles that can affect the wine’s appearance, taste, and stability. Animal-derived fining agents are substances that attract and bind with these particles, making them easier to remove. However, these fining agents are derived from animals, which contradicts the vegetarian lifestyle.

Some common animal-derived fining agents include:

  • Isinglass: Isinglass is derived from fish bladders and is used to clarify white wines and some beers.
  • Gelatin: Gelatin, often derived from animal bones or connective tissues, is used to clarify and stabilize red wines.
  • Albumin: Albumin, derived from egg whites, can be used to clarify and soften tannins in red wines.

It’s important to note that these fining agents are typically removed from the final product. However, traces may remain, causing concern for vegetarians.

2. Alternatives for Vegetarian Wine

If you follow a vegetarian lifestyle and want to ensure the wines you drink align with your values, there are alternatives available. Many winemakers are now producing vegetarian-friendly wines by adopting alternative fining methods. Some of these methods include:

  • Bentonite clay: Bentonite clay is a popular fining agent used by winemakers to clarify and stabilize wine without the use of animal products.
  • Activated charcoal: Activated charcoal can be used to remove impurities and clarify wine without any animal-derived substances.
  • Vegetable-based proteins: Some winemakers are exploring the use of vegetable-based proteins, such as pea or potato proteins, as alternatives to animal-derived fining agents.
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By choosing wines that are labeled as “vegan-friendly” or “vegetarian-friendly,” you can enjoy your favorite drink without compromising your dietary choices.

3. The Importance of Transparency

While it’s encouraging to see winemakers shifting towards more vegetarian-friendly practices, there is still a lack of transparency in the industry. Many wines do not disclose the use of animal-derived fining agents on their labels. This makes it challenging for vegetarians to make informed choices.

As consumers, we can advocate for greater transparency in the labeling of wines, urging winemakers to clearly state whether animal products were used during the fining process. By doing so, we can encourage the industry to make further strides towards vegetarian and vegan-friendly practices.


As a vegetarian wine lover, it can be disheartening to discover that not all wines align with our dietary choices. The use of animal-derived fining agents in the winemaking process poses a challenge for those following a vegetarian or vegan lifestyle.

However, the good news is that the industry is evolving. More winemakers are recognizing the demand for vegetarian-friendly wines and are adopting alternative fining methods. By supporting these producers and encouraging transparency in labeling, we can enjoy our favorite wines while staying true to our vegetarian values.

John has been a hobbyist winemaker for several years, with a few friends who are winery owners. He writes mostly about winemaking topics for newer home vintners.
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