Aspartame
Also known as: APM, Canderel, E951, Equal, L-aspartyl-L-phenylalanine methyl ester, NutraSweet
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Summary
Aspartame is a methyl‑esterified dipeptide composed of L‑aspartic acid and L‑phenylalanine. It is used worldwide as a low‑calorie artificial sweetener in foods and beverages.
Mechanism of Action
acts as a high‑intensity sweetener by activating the T1R2/T1R3 sweet taste receptors on the tongue
Routes of Administration
Goals & Uses
- Blood glucose control in diabetesMetabolicModerate
- sweeteningFood AdditiveHigh
- Caloric reduction / weight managementMetabolicModerate
Contraindications
- Phenylketonuria (PKU)Metabolic DisorderHigh
- PhenylketonuriaMetabolic DisorderHigh
- Hypersensitivity to aspartame or phenylalanineAllergy/ImmunologyHigh
Adverse Effects
- Phenylalanine‑related toxicityMetabolicRare
- Methanol productionMetabolicCommon
- HeadacheNeurologicUncommonPain in the head or upper neck
- Gastrointestinal discomfortGastrointestinalUncommon
- Phenylalanine accumulationMetabolicRare
- Possible carcinogenicityOncologicalUnknown
Drug Interactions
- LevodopaLow
Population Constraints
- Pregnant women with PKUPregnancyAbsolute
- Infants and young children with PKUPediatricAbsolute
- Pregnancy (general population)PregnancyRelative
- PKU patientsGenetic Metabolic DisorderAbsolute
Regulatory Status
- European UnionApprovedApproved: food additive, beverage sweetenerAuthorized under EU food additive regulations
- United StatesApprovedApproved: food additive, beverage sweetenerGRAS status; not a drug
- United KingdomApprovedApproved: food additive, beverage sweetenerPermitted as a food additive
Approved as a food additive by the US FDA (1981) and European Food Safety Authority (EFSA). IARC classified aspartame as 'possibly carcinogenic to humans' (Group 2B) in 2023, though JECFA reaffirmed the ADI of 40 mg/kg/day. Mandatory labeling required for PKU warning in many jurisdictions.
Evidence & Sources
No sources recorded yet.
Frequently Asked Questions
What is Aspartame?
Aspartame is a methyl‑esterified dipeptide composed of L‑aspartic acid and L‑phenylalanine. It is used worldwide as a low‑calorie artificial sweetener in foods and beverages.
What is Aspartame used for?
Aspartame is educationally associated with: Blood glucose control in diabetes, sweetening, Caloric reduction / weight management. Educational only — not medical advice.
How is Aspartame administered?
Recorded routes of administration: Oral.
What are the potential side effects of Aspartame?
Reported adverse effects include: Phenylalanine‑related toxicity, Methanol production, Headache, Gastrointestinal discomfort, Phenylalanine accumulation, Possible carcinogenicity. This list is not exhaustive — consult a qualified clinician.
Who should avoid Aspartame?
Recorded contraindications: Phenylketonuria (PKU), Phenylketonuria, Hypersensitivity to aspartame or phenylalanine. Consult a qualified clinician before use.