Food Safety Warning: 3 Types of Tofu You Should Never Buy, Even at a Bargain Price

Tofu is widely regarded as a healthy, affordable source of plant-based protein. However, not all tofu on the market is safe. Food safety experts warn that some types of tofu may pose serious health risks due to poor storage, unsafe additives, or spoilage—especially when sold cheaply to clear stock.

Here are three types of tofu you should avoid immediately if you come across them while shopping.

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1. Tofu with a Sour Smell or Sticky Surface

Fresh tofu should have a neutral, mild soybean aroma. If you notice:

• A sour or fermented smell

• A slimy or sticky texture

• Cloudy soaking water

This indicates bacterial spoilage. Consuming such tofu can lead to food poisoning, diarrhea, vomiting, and intestinal infections—even after cooking.

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2. Tofu with an Unnaturally Bright White Color

Some tofu appears excessively white, glossy, or firm, which may be a red flag. In certain cases, illegal whitening agents or excessive coagulants may be used to improve appearance and extend shelf life.

Long-term consumption of such tofu may:

• Irritate the digestive tract

• Burden the liver and kidneys

• Increase health risks due to chemical residues

Natural tofu usually has a slightly off-white or pale yellow tone.

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3. Tofu Sold Unrefrigerated or Without Proper Packaging

Tofu is highly perishable and must be stored at low temperatures. Tofu that is:

• Left at room temperature

• Soaking in open containers

• Sold without clear labeling or production dates

is at high risk of contamination by harmful bacteria such as E. coli or Salmonella.

Cheap prices often mean improper storage or nearing expiration.

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How to Choose Safe Tofu

• Buy tofu from reputable stores or brands

• Check smell, texture, and color carefully

• Ensure proper refrigeration

• Read labels for production date and ingredients

• Store tofu in clean water and refrigerate after opening

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Conclusion

Tofu can be a nutritious food—but only when it’s fresh and safely produced. No discount is worth risking your health. If tofu looks, smells, or feels suspicious, it’s best to walk away.