Toxic Foods: The Truth Behind Harmful Product Lists

Monosodium glutamate, sunflower oil, and erythritol top growing lists of toxic foods. Here is the data behind these warnings.

English · Original discussion in Spanish · Published

The List of Harmful Foods Nobody Wants to Eat

Is monosodium glutamate a poison? What about refined sunflower oil? The debate on responsible consumption has been heated for months, and the list of suspects keeps growing. Flagged products range from energy drinks to breakfast cereals, including sweeteners and seed oils. The question is no longer just what we eat, but how to read labels before adding items to the cart.

E621 and Stock Cubes: The First Major Suspect

Monosodium glutamate, known as E621, has become public enemy number one. It is present in concentrated stock cubes, with a damning label: in a 100-gram product, 55 grams are salt and 12 grams are saturated fats. You don't need to be a nutritionist to suspect something doesn't fit the image of a 'healthy broth'.

Reference pages on additives document this substance, and consumers have started scrutinizing labels closely. The result is growing distrust of processed foods, leading many to cook homemade broths using fish bones instead of relying on cubes. This small change reflects a larger trend: seeking foods with fewer chemical intermediaries.

Seed Oils: The Omega-6 Debate

Sunflower oil, whether refined or not, is another major target. Critics argue it is a seed oil with linoleic acid (omega-6) content up to 60-70%. Chemical extraction using solvents like hexane, trinc by vitamin E addition to 'repair' the product, makes it, according to this view, an ultra-processed food rather than a traditional ingredient.

However, scientific evidence is not unanimous. Some remind us that the human body needs omega-6 balanced with omega-3, and the issue lies in total proportion, not the oil itself. As with most things in nutrition, nuances don't fit into headlines. What seems clear is that extra virgin olive oil still has no serious competitor in fat rankings.

Sugar, Cereals, and the 'Healthy' Showcase

Breakfast cereal boxes, even those sold as light or healthy, accumulate industrial amounts of sugar. A well-known brand, Special K, is cited as an example: consumers buying it for health find a product with sugar levels equivalent to soft drinks. Apps like Yuka have triggered alerts about ingredients in candies and other products, some flagged as potentially carcinogenic.

Sweeteners also fall under scrutiny. Erythritol, used as a base for granulated stevia, has been linked in recent studies to increased blood clot risk. Consumer advice is clear: when in doubt, avoid it. And if anyone thinks sugar is the only trap, they should check their sliced bread's ingredient list.

Skeptical Reaction: Demonizing Food or Counting Calories?

Not everyone agrees. An opposing view argues that demonizing specific foods is a focus error. Metabolism isn't a thermal engine filled with calories and emptied by exercise, but energy balance still matters. Some have lost weight eating fast food, and documented cases show people slimming down on diets including ultra-processed foods, provided total caloric intake is appropriate.

Some go further, reminding us that water, the most essential element, can kill in excess. Next time someone claims garlic or onions are toxic, remember that no sane person consumes quantities large enough for them to be harmful. Excess is the poison, not the food. Antiestéticar of food is also problematic.

The list of harmful foods will keep growing as long as there are labels to read and apps to scan. For now, the only practical conclusion is that eating real food—meat, fish, eggs, vegetables, fruit, and legumes—and leaving items with more than ten ingredients on the shelf remains the best defense. Let each person decide if current bread is pure poison or just flour, water, salt, and yeast.

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Summary of a discussion on Burbuja.info - Foro de economía, actualidad y política., translated from Spanish and reviewed before publication. Read the full discussion (122 replies).

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