Overview
About Neotame
Neotame is a chemically modified aspartame, and the modification is the entire point.
Attaching a neohexyl group to the aspartame molecule does two things: it makes the sweetener roughly forty times sweeter again, putting it somewhere between seven and thirteen thousand times the sweetness of sugar, and it blocks the enzymes that would normally split the molecule and release phenylalanine. That second effect is why neotame, unlike aspartame, carries no phenylketonuria warning. It grades clean on every trigger column we track, which is unsurprising for a compound used at fractions of a milligram per serving.
Sensitivities
How Neotame scores
Watch for
What trips people up
- It grades clean on every food chemistry column, and at realistic doses there is very little substance present to react to. A serving contributes microgram to low milligram quantities.
- The anti inflammatory and paleo grades are diet-pattern judgements about refined sweeteners as a class, not statements that neotame does anything inflammatory.
- It is almost never the only sweetener in a product. Neotame is usually blended with bulking agents, and in a tabletop or baking blend the bulk carrier, often erythritol, maltodextrin or lactose, is far more likely to cause symptoms than the neotame.
- Being aspartame derived, it is worth knowing for anyone who reports reacting to aspartame, even though the mechanism people usually cite for aspartame, phenylalanine release, does not apply here.
- The regulatory picture is settled but the acceptable daily intakes differ: the FDA set 0.3 mg per kg of body weight and EFSA set 2 mg per kg, and normal use sits far below either.
Diet fit
Where it fits
Swap ideas
More alternatives
FAQ
Common questions about Neotame
Is neotame safe for people with PKU?
Neotame does not carry the phenylalanine warning that aspartame does, and there is a real chemical reason for that rather than a regulatory oversight. Neotame is aspartame with a neohexyl group attached, and that group blocks the peptidases that would otherwise cleave the molecule and free its phenylalanine. Combined with the tiny quantities used, the phenylalanine contribution is negligible, which is why regulators did not require the warning. Anyone managing PKU should still confirm with their metabolic team rather than relying on a general article.
Is neotame the same as aspartame?
It is derived from aspartame but behaves differently. The added neohexyl group makes it around forty times sweeter than aspartame, so it is used at a fraction of the quantity, and it makes the molecule far more stable, including at baking temperatures where aspartame breaks down. It also blocks the phenylalanine release that gives aspartame its PKU warning. If you believe you react to aspartame, neotame is a related compound and worth treating cautiously, but it is not simply aspartame under another name.
Does neotame cause bloating or gut symptoms?
Not by any plausible mechanism of its own. Neotame is used at microgram to low milligram doses, so there is essentially nothing there to ferment, unlike a polyol such as sorbitol or maltitol where the bulk itself is the problem. If a neotame sweetened product upsets you, look at what it is blended with. Tabletop and baking blends need bulk to be measurable at all, and that bulk is usually erythritol, maltodextrin or lactose, each of which has a real mechanism behind gut symptoms.
References
Read the background
Ratings reflect the Triggerbites ingredient database and may vary with portion size and preparation.