Does Swanson Chicken Stock Have Onions in It?

According to the official Swanson website, their traditional chicken stock is made with a mirepoix, which is a classic vegetable combination of carrots, celery, and onions. This confirms that yes, Swanson chicken stock does have onions in it, as a standard ingredient in their recipe.

Quick Summary

Swanson's standard chicken stock contains onions as part of its mirepoix base for flavor. This is important for individuals with dietary restrictions or allergies. Several variations, including some low-sodium options, also list onions or onion derivatives. Onion-free alternatives are available for specific dietary needs.

Key Points

• Onions are present: Yes, Swanson chicken stock contains onions, which are a key ingredient in their mirepoix base for flavor.

• Check all labels: Look for 'mirepoix', 'dehydrated onions', 'onion concentrate', or 'natural flavoring' on ingredient lists.

• Low FODMAP consideration: Due to the onion content, most Swanson products are not suitable for those following a low FODMAP diet.

• Alternative brands available: Brands like Massel and Gourmend offer specific chicken broth products that are certified onion-free and low FODMAP.

• Homemade is an option: Making your own chicken stock allows for complete control over ingredients, guaranteeing an onion-free product.

• Flavor replacement: Use the green parts of scallions or chives as an onion-free flavor substitute in your cooking.

Yes, Swanson Chicken Stock Contains Onions

For those needing to know for dietary or health reasons, the definitive answer is that the vast majority of Swanson chicken stock and broth products do contain onions. The Campbell's company, which owns Swanson, explicitly states that they use a mirepoix (a mix of carrots, celery, and onions) to create the robust flavor profile in their chicken stock. Even some reduced-sodium varieties and broth products contain onion juice concentrate or dehydrated onions. This is a crucial piece of information for anyone following a low FODMAP diet, managing an onion allergy, or dealing with sensitivities.

How Onions are Listed in Swanson Ingredients

The specific way onions are listed can vary depending on the product line and formulation. Here are some of the ways you might find onion ingredients on a Swanson label:

• Mirepoix (Carrots, Celery, Onions): This is the most common listing and confirms the presence of fresh onions used in the base.
• Onion Juice Concentrate: This indicates a concentrated form of onion flavor, even if the whole vegetable wasn't used.
• Dehydrated Onions: This means the product contains dried, powdered onion for flavor.
• Natural Flavoring: In the past, onion or garlic could be included under this broad term, but Swanson now commits to listing them explicitly. However, for older products or other brands, this may still be a concern.
• Onion Extract: A more recent innovation, this provides the flavor of onion in an extracted form.

Why Onions are a Staple in Stock

Onions are a cornerstone of many classic stock recipes for their ability to contribute a sweet, savory, and aromatic complexity. Simmering onions slowly with other vegetables like carrots and celery creates a deep, foundational flavor that is essential for many soups, sauces, and gravies. This is why it's so common to find them in mass-produced products like Swanson's.

Onion-Free Chicken Stock Alternatives

If you need an onion-free alternative, you can either make your own or seek out specific brands that cater to restricted diets. Brands that are low FODMAP are a good place to start, as the diet eliminates high-fructose vegetables like onions. Here are a few options:

• Massel: This brand offers a 'Chicken Style Liquid Stock' that is specifically formulated to be free of garlic and onion.
• Gourmend Foods: Certified low FODMAP, this brand's organic chicken broth is guaranteed to be free of onions and garlic.
• Homemade Stock: The most controlled method is to simply make your own stock from scratch using chicken bones, carrots, and celery, but omitting the onions. You can add herbs and spices like parsley or thyme for extra flavor.
• Bouillon Cubes: Some bouillon powders and cubes may be onion-free. Always check the ingredients list carefully, as many contain onion powder or dehydrated onions.

Comparison of Swanson and Onion-Free Stocks

This table highlights the differences between Swanson's products and common onion-free alternatives, focusing on suitability for special diets.

Feature	Swanson Chicken Stock	Onion-Free Alternatives (e.g., Massel)
Onion Content	Yes, contains onions (via mirepoix or extracts)	No, specifically formulated without onions
Low FODMAP Friendly?	No	Yes, specifically certified or designed for low FODMAP diets
Availability	Widely available in most grocery stores	Niche product, may require specialty stores or online ordering
Key Flavor Profile	Savory and balanced with traditional mirepoix flavor	May rely on other herbs and natural flavors to build a balanced taste
Dietary Use	General cooking, not suitable for strict onion-free diets	Suitable for low FODMAP, onion allergies, and sensitivities

Navigating Ingredient Labels for Onion-Free Needs

For consumers with severe allergies or sensitivities, it's not enough to simply look for the word "onion." As ingredient labeling can be complex, it's wise to look for a few other potential red flags:

• Natural Flavoring: While Swanson states they now list onions explicitly, other brands might not. If you are sensitive, avoid products where 'natural flavoring' is listed without clarification.
• Spices: Some spice blends can contain trace amounts of onion powder, which may not be explicitly listed. For those with severe allergies, a call to the manufacturer's customer service might be necessary.
• Yeast Extract: This ingredient is found in many broths, including Swanson's. While not an onion derivative, it does naturally contain glutamates that can trigger reactions in some sensitive individuals.

The Importance of Making Your Own Stock

For absolute certainty regarding ingredients, making homemade stock is the best option. This process gives you complete control over every single ingredient, ensuring no hidden sources of onion or other irritants are included. It also allows you to tailor the flavor to your exact preference. For an onion-free version, simply use a base of carrots and celery, and consider adding other aromatic herbs like bay leaves, thyme, and parsley to replace the flavor complexity that onions typically provide.

Conclusion

The definitive answer to "Does Swanson chicken stock have onions in it?" is yes, it does. The company explicitly lists onions as part of the mirepoix used to create its classic flavor. For individuals with onion allergies, intolerances, or those following a low FODMAP diet, this means Swanson's standard products are not suitable. Thankfully, the market offers several high-quality, pre-made onion-free chicken stock and broth options from brands like Massel and Gourmend. For the most complete control, making a homemade stock from scratch is the most reliable method for ensuring your broth is entirely onion-free.

References

• Campbell's. "What's In Our Broth." Campbells.com. Accessed 11 Oct. 2025. https://www.campbells.com/swanson/whats-in-our-broth/
• FodShop. "Massel Chicken Flavour Liquid Stock, No Garlic, No Onion (1L)." fodshopper.com.au. Accessed 11 Oct. 2025. https://fodshopper.com.au/products/copy-of-massel-vegetable-flavour-liquid-stock-no-garlic-no-onion-1l
• Recipe. "Chicken Broth Substitutes." allrecipes.com. Accessed 11 Oct. 2025. https://www.allrecipes.com/article/chicken-broth-substitutes/
• Amazon.com. "Swanson Chicken Broth, 14.5 Ounce, 4 Count." Amazon.com. Accessed 11 Oct. 2025. https://www.amazon.com/Swanson-Chicken-Broth-Ounce-Count/dp/B01LF6K74G
• spoonfulapp.com. "Swanson Natural Goodness Broth Chicken 33% Less Sodium." spoonfulapp.com. Accessed 11 Oct. 2025. https://spoonfulapp.com/products/swanson-natural-goodness-broth-chicken-33-less-sodium-48-oz/MDA1MTAwMDE2ODg4Nw==

Note: Citations for other search results used in the article are automatically included based on the source_title and url.

Note: This article is for informational purposes only and does not constitute medical advice. Consult a healthcare professional or registered dietitian for specific dietary guidance.

Homemade Onion-Free Chicken Stock

If you need a reliable, onion-free chicken stock, follow this simple recipe for a flavorful and safe option.

Ingredients:

• 1 whole chicken carcass, or 2-3 pounds chicken bones
• 3 carrots, roughly chopped
• 3 celery stalks, roughly chopped
• 1 bunch fresh parsley
• 1 bay leaf
• 1 teaspoon black peppercorns
• Cold water to cover

Instructions:

1. Roast the Bones (Optional): For a richer flavor, roast the chicken bones and vegetables in the oven at 400°F (200°C) for 30-40 minutes, or until browned.
2. Combine Ingredients: Place the bones, carrots, celery, parsley, bay leaf, and peppercorns into a large stockpot.
3. Add Water: Pour enough cold water into the pot to completely cover all the ingredients.
4. Simmer: Bring the water to a boil, then immediately reduce the heat to a low simmer. Skim off any foam that rises to the surface during the first 30 minutes.
5. Cook: Let the stock simmer, uncovered, for at least 2-4 hours. The longer it simmers, the more flavorful the stock will be.
6. Strain: Carefully strain the stock through a fine-mesh sieve into a clean bowl or container. Discard the solids.
7. Cool and Store: Allow the stock to cool completely before storing it in airtight containers in the refrigerator for up to 5 days, or freeze it for long-term use.

Low-FODMAP Garlic and Onion Replacement

If you need to replace the flavor profile lost by omitting onions, you can use the green parts of scallions or chives. These contain little to no FODMAPs and can provide a mild, oniony flavor.

Conclusion

In summary, Swanson chicken stock undeniably contains onions as a key ingredient, sourced from its traditional mirepoix vegetable blend. This is an important consideration for anyone with dietary restrictions or sensitivities to onions. Fortunately, numerous onion-free alternatives, including specialized commercial products from brands like Massel and Gourmend, are available to ensure everyone can enjoy flavorful cooking. For those seeking ultimate control over their ingredients, making a simple homemade stock is the most reliable path to an onion-free meal.

Frequently Asked Questions

Does Swanson chicken broth also contain onions?

Yes, most Swanson chicken broth products contain onions. The company states that it uses a mirepoix (carrots, celery, and onions) in its broth recipes to add flavor.

Are there any Swanson products that are onion-free?

Most of Swanson's mainstream chicken stock and broth products contain onions or onion-derived ingredients. The best approach is always to check the specific product label, but it is very unlikely to find an onion-free chicken broth under the Swanson brand.

What is mirepoix?

Mirepoix is a classic French flavor base made from a mixture of chopped carrots, celery, and onions. It is a fundamental component of many stocks, sauces, and soups, and is explicitly used in Swanson's products.

What if the label says 'Natural Flavoring'?

While Swanson now commits to listing onion explicitly, 'natural flavoring' can be a broad term. If you have a severe onion allergy, it is best to be cautious with any product that uses this term without further clarification.

Which chicken stock brands are onion-free?

Brands like Massel and Gourmend offer certified low FODMAP chicken stock and broth options that are specifically made without onions or garlic. Always check the label to ensure it meets your specific dietary needs.

How can I make my own onion-free chicken stock?

To make homemade onion-free stock, simply simmer chicken bones with carrots, celery, and other aromatics like parsley, thyme, and bay leaves. This gives you complete control over the ingredients to avoid any onion products.

Does Swanson's unsalted chicken broth have onions?

Yes, even Swanson's unsalted chicken broth contains onion extract and natural flavoring, which includes onion components. It is not a reliable onion-free option.