Controversy of using Aspartame.

The use of Aspartame as a has been a controversial topic ever since it was introduced as a and approved by the US Administration in 1974, despite over 7000 reports of adverse reactions. The prevalent view by the industry that manufactures the is that aspartame is considered a safe product at levels of consumption as a non-nutritive .

Once ingested, aspartame breaks down into natural residual components, such as aspartic acid, phenylalanine and which is further broken down into formaldehdye and formic acid.

High levels of the naturally-occurring essential are a to those born with phenylketonuria (PKU), a rare inherited disease that prevents phenylalanine from being properly metabolized. . Since individuals with PKU must consider aspartame as an additional source of phenylalanine, sold in the United States must state “Phenylketonurics: Contains Phenylalanine” on their product labels.

In the UK, foods that contain aspartame are legally required by the country’s to list the substance among the product’s and carry the warning “Contains a source of phenylalanine” – this is usually at the foot of the list of . Manufacturers are also required to print ‘”with (s)” on the label close to the main product name’ on foods that contain “sweeteners such as aspartame” or “with sugar and (s)” on “foods that contain both sugar and ”.

In Canada, foods that contain aspartame are legally required by the country to list the substance among the product’s and include a measure of the amount of aspartame per serving. Labels must state that the product contains phenylalanine – this is usually in the order of , contained in .
Recently one of the byproducts of aspartame has made as Formaldehdye a by product of aspartame has been classified as a human carcinogen. Aspartame is heavily used in diet soda’s and other products that tout themselves as diet products and although the FDA and the manufacturing industry has constantly suggested that it is a safe product diverse research studies exploring its effect on the human body have suggested otherwise.

The formaldehyde by products originating from Aspartame ingestion accumulate in tissue proteins and nucleic acids and neurobiochemical alterations resulting in neurologic and behavioral disturbances have been induced in sensitive individuals. Aspartame has exerted its primary effect on adrenergic neurotransmitters in various brain regions. In the hypothalamus, the region richest in Norepinephrine (NE) increases in NE concentrations of 12, 49, and 47% were found in the low, medium, and high dose groups, respectively, relative to control. Significant increases of NE in the medulla oblongata and corpus striatum were also observed. Increases of the catecholamine dopamine and catecholamine -methoxy-4-hydroxymandelic acid (VMA), homovanillic acid (HVA), and dihydroxyphenylacetic acid were seen in various brain regions.

The long term accumulative effects of aspartame and its by products are still relatively unknown, although the FDA has recorded over 7000 adverse reactions. Woolworth in South Africa in response to public concern and requests from its customers in 2009 was the first grocery chain to remove aspartame and other artificial sweeteners from its products. The move was done with Woolworth Good Food Journey in mind which emphasizes minimizing the use of additives in foods wherever possible as one of the chain stores goals.


Coulombe RA Jr, Sharma RP. Toxicol Appl Pharmacol. 1986 Mar 30;83(1):79-85. Neurobiochemical alterations induced by the artificial aspartame (NutraSweet).

Trocho C, Pardo R, Rafecas I, Virgili J, Remesar X, Fernández-López JA, Alemany M. Life Sci. 1998;63(5):337-49. Formaldehyde derived from dietary aspartame binds to tissue components in vivo.

Oyama Y, Sakai H, Arata T, Okano Y, Akaike N, Sakai K, Noda K. Cell Biol Toxicol. 2002;18(1):43-50. Cytotoxic effects of , formaldehyde, and formate on dissociated rat thymocytes: a possibility of aspartame toxicity.

Humphries P, Pretorius E, Naudé H. Eur J Clin Nutr. 2008 Apr;62(4):451-62. Epub 2007 Aug 8. Direct and indirect cellular effects of aspartame on the brain.

Coulombe RA Jr, Sharma RP. Toxicol Appl Pharmacol. 1986 Mar 30;83(1):79- 85. Neurobiochemical alterations induced by the artificial aspartame (NutraSweet).

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