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Reading Product Labels: What Vegans Should Watch Out For

Posted by Aaron Seminoff on


Choosing vegan products goes beyond avoiding meat, eggs, and dairy. It also means reading vegan product labels closely so you can spot animal-derived ingredients, fuzzy marketing terms, and processing aids that don’t align with your ethics. This guide explains what to look for, why it matters, and how to make faster, more confident choices at the store.

Reading Vegan Product Labels: Start Here

Before you scan the front of the package, go straight to the ingredient list. By law, packaged foods must list ingredients in descending order by weight—the first items make up the largest share, and the last ones are present in the smallest amounts. See the FDA’s rule on ingredient order for details. If you’re on the fence about a product, this one habit is the biggest time saver.

Also know that the catch-all term natural flavor can legally refer to flavors from plants or animals (including meat, dairy, or eggs). When you see “natural flavor,” consider contacting the brand or choosing a product that specifies “vegan natural flavor” or discloses its source.

Hidden Animal-Derived Ingredients

At first glance, it seems simple to avoid items labeled meat, milk, or eggs. The challenge is the tiny ingredients that show up in unexpected forms. Keep an eye out for these common red flags:

  • Gelatin (from animal collagen) in gummies, marshmallows, frostings, and some capsules. For recipe ideas and alternatives, see this guide to gelatin swaps.
  • Carmine/cochineal (from insects) used to make bright red or pink foods and drinks.
  • Isinglass (from fish bladders) sometimes used to clarify wine and beer.
  • Rennet (from calves’ stomachs) used in some cheeses; look for microbial or plant rennet instead.
  • Whey, casein, lactose (from milk) hiding in processed snacks or “non-dairy” creamers.
  • Anchovy-based Worcestershire in sauces and dressings; look for “anchovy-free” versions.
  • Honey as a sweetener in breads, sauces, and cereals.

Quick Checks That Help

  • If the front says “plant-based,” confirm the ingredient list is fully vegan—some “plant-based” items still include dairy or egg derivatives.
  • Scan for “contains” or “may contain” statements. These disclose major allergens like milk and eggs. Per the FDA, manufacturers must identify major allergens in plain language, including sesame as of 2023.
  • If the product is labeled “USDA Organic,” remember that organic standards address how ingredients are grown and processed—not whether they are vegan. Learn what the USDA Organic seal does (and doesn’t) cover.

The Confusing World of Additives

Additives aren’t automatically bad, but some can be animal-derived or ambiguous. These are worth a second look:

  • Mono- and diglycerides and glycerin/glycerol can be sourced from plants or animals. If the label doesn’t say “vegetable” or “plant,” ask the brand.
  • L-cysteine (a dough conditioner) can be derived from feathers or hair; some brands use microbial versions.
  • Vitamin D3 is commonly made from lanolin (sheep’s wool), though vegan D3 from lichen exists.
  • “Natural flavor,” as noted above, may come from animal or plant sources; when in doubt, choose a product that specifies its source.
  • Color additives like carmine (insects) are obvious no-gos; others are mineral or synthetic.

When labels are vague, choose brands that publish sourcing details or maintain “vegan” certifications, or stick to simple whole-food ingredients. If sugar sourcing is a concern for you, this guide to vegan sugar explains bone-char filtration and how to find plant-friendly options.

Presence of Harmful Chemicals

Vegans often care about personal health and the planet as much as animal welfare. That means scanning labels for chemicals you prefer to avoid. For example, ethylene oxide has been used in certain sterilization processes and has drawn public scrutiny and legal attention in places like Sterigenics Atlanta. If this is on your radar, favor brands that describe their processing methods, and choose fresh or minimally processed foods when possible.

For cosmetics and household goods, look for clear ingredient disclosures and avoid vague “fragrance” when you can. Just like food’s “natural flavor,” the term fragrance can represent a blend of many substances, some of which you may want to avoid. (In the U.S., fragrance components don’t have to be individually listed.)

Misleading Labels and Marketing Tricks

Front-of-pack claims are designed to catch your eye—but they don’t always tell the whole story. A few to treat with healthy skepticism:

  • “Plant-based.” This can describe the style of a product without guaranteeing it’s vegan. Always verify the ingredient list.
  • “Cruelty-free.” The FDA does not define or regulate this claim; companies may use it in different ways. See FDA’s note on cruelty-free claims for context.
  • “Natural,” “clean,” or “green.” These are marketing terms with no single legal meaning. Check the full ingredient list instead.
  • “Non-dairy.” In the U.S., products can say “non-dairy” and still include milk derivatives like casein. Look for “vegan” on the label and read the ingredients to confirm.

A useful rule of thumb: trust the ingredient list over splashy front-label promises. If an ingredient or claim is unclear, contact the manufacturer for clarification.

Household and Personal Care Products

Vegan living isn’t just about food. Household cleaners, cosmetics, and toiletries may contain animal-derived substances such as beeswax, lanolin, tallow-based emulsifiers, or Stearic acid that could come from either animal or plant sources. When you’re unsure, look for “vegan” on the package and check the ingredient list.

Cosmetic labeling can be especially confusing. As the FDA explains, there’s no pre-approval for cosmetic marketing claims, and terms like “cruelty-free” aren’t standardized. Learn more in the FDA’s overview of cosmetics claims. If animal testing is a concern, choose brands that publish detailed testing policies and prefer non-animal methods.

How to Verify Ingredients More Quickly

  • Compare listings. When a brand offers both vegan and non-vegan versions (like soups or bouillon), compare the two labels. The differences usually reveal the animal-derived component.
  • Check allergen lines. “Contains milk/egg/fish/shellfish” can alert you to animal-derived ingredients even if the main list is long.
  • Ask customer service. Many companies will confirm whether flavorings, glycerin, or D vitamins are plant-based.
  • Favor transparency. Brands that disclose sources for enzymes, flavors, and fortification are easiest to trust.
  • Keep a shortlist. Save a note with products and brands you’ve vetted so repeat purchases are quick.

Frequently Asked Questions (FAQs)

Are Plant-Based Alternatives Available for All Kinds of Foods?

Plant-based alternatives exist for most everyday items—milks, yogurts, cheeses, meats, even eggs. Category quality varies, but options keep improving. If texture or flavor is a concern, try brands that publish full ingredient sourcing and avoid hidden dairy or egg derivatives. You can also build meals around whole foods like beans, grains, nuts, and vegetables for simple, label-friendly swaps.

How Are Vegan Cosmetics Made?

Vegan cosmetics avoid animal-derived ingredients such as lanolin, beeswax, and carmine. Plant waxes, mineral pigments, and synthetic or bio-based emulsifiers are common substitutes. Keep in mind that “cruelty-free” is not a regulated term in the U.S., so read the ingredient list and review a brand’s testing policy rather than relying on a single claim on the box.

Are All Vegan Products Marked Properly?

Not always. Some products are clearly labeled “vegan,” but many rely on ingredient lists alone. If a label includes vague terms like “natural flavor” or “fragrance,” ask the brand what they use. For packaged foods, look for plain-language calls-outs of major allergens, which can help you quickly spot milk or egg derivatives while you read the full list.

What Does “Natural Flavor” Really Mean?

Under U.S. rules, natural flavor can come from plant or animal sources, as long as it contributes flavor. If you avoid animal products entirely, contact the company or choose products that specify a plant source or carry a trusted vegan certification.

Do Organic Labels Guarantee a Product Is Vegan?

No. Organic standards govern how ingredients are grown and processed, not whether they come from animals. The USDA Organic seal can appear on organic dairy, eggs, or honey. For vegan choices, treat “organic” as a quality cue—but still confirm the ingredients are fully plant-based.

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