| Essence |
Potassium Metabisulfite or E224 is an inorganic compound (synthetic preservative) that comes in a form of white crystalline powder and is used for the purpose of battling bacteria and fungi in food, supplements, and medicine. It can often be used interchangeably with Sodium Metabisulfite (E223). |
| Names |
Potassium Pyrosulfite, PMBS, KMBS, E224, Potassium Metabisulfite, and others. |
| Sourcing |
Sulfur Dioxide is used as the main ingredient. |
| Manufacturing |
The sourcing ingredient is mixed with Potassium Carbonate at a specific temperature (50°–80°C) and ph levels (4–7.5). But there are other more sophisticated ways to create it as well. |
| Application |
Preservative (synthetic, very water-soluble) and antioxidant. |
| Acceptable Daily Intake |
It’s said to be safe in amounts up to 0.7 milligrams for every kilogram of body weight. |
| Side Effects |
Some animal studies have shown that it can be an extremely toxic ingredient even in amounts not exceeding the determined Acceptable Daily Intake (cause insane oxidative damage to all kinds of cells). Other than that, it can cause severe allergies, difficulty breathing, rash, swelling, difficulties swallowing, etc. |
| Benefits |
None. |
| Studies |
95+ studies on Pubmed. Less than 5 studies on safety. |
| Allergens |
None. |
| Diet Restrictions |
None. |
| Health Knight Assessment |
Potentially Harmful. | Category 3 Additive. |
| Products |
Potassium Metabisulfite can be used in such processed foods and beverages as beers, wines, juices, chicken foods, cheeses, salads, sauces, rice foods, sausages, mustards, curds, ciders, syrups, vinegar, mayonnaise, pastes, pickled cucumbers, biscuits, mushrooms, and other foods. |
