Other researchers note that consuming tomato juice could result in 6 times greater methanol production than the aspartame used in zero sugar sodas.Īspartame is one of the most exhaustively studied NNS in the world. However, scientists and expert regulatory groups caution against making overgeneralized conclusions about the relationship between aspartame intake, methanol and formaldehyde production in the body, and consequences for health.įor example, the European Food Safety Authority (EFSA) and Food and Drug Administration (FDA) note that that dietary exposure to methanol and formaldehyde produced from ingesting aspartame does not pose a safety concern. Free methanol consumed regularly may be a problem because it breaks down into formaldehyde, a known carcinogen and neurotoxin, in the body. Methanol is toxic in large quantities, yet smaller amounts may also be concerning when combined with free methanol because of enhanced absorption.įree methanol is present in some foods and is also created when aspartame is heated. Consumption of fruit, fruit juice, fermented beverages, and some vegetables also contain or result in methanol production.Ī 2015 study suggests that aspartame was the largest source of methanol in the American diet. When your body processes aspartame, part of it is broken down into methanol. How is aspartame broken down in the body? Aspartic acid is produced naturally by your body, and phenylalanine is an essential amino acid that you get from food. Both are naturally occurring amino acids - also know as the “building blocks” of proteins.
The ingredients of aspartame include aspartic acid and phenylalanine. This means that a very small amount is needed to give foods and beverages a sweet flavor.
It’s also used widely in packaged products - especially those labeled as:Īspartame is an odorless powder that is white and is approximately 200 times sweeter than sugar. Aspartame is sold under the brand names NutraSweet and Equal.
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