Aspartame Side Effects

We’ve had several requests for the list of aspartame side effects, mainly from our followers on Twitter. The partial list is finally here! We hope this is useful information. If you’re not following us on Twitter yet, be sure to check us out for exciting and informative tweets.

According to some research, aspartame has been shown to be the common denominator for over 92 different side effects and diseases.

Side effects of Aspartame


  • blindness in one or both eyes


  • tinnitus – ringing or buzzing sound
  • severe intolerance of noise
  • marked hearing impairment


  • epileptic seizures
  • headaches, migraines and (some severe)
  • dizziness, unsteadiness, both
  • confusion, memory loss, both
  • severe drowsiness and sleepiness
  • paresthesia or numbness of the limbs
  • severe slurring of speech
  • severe hyperactivity and restless legs
  • atypical facial pain
  • severe tremors


  • severe depression
  • irritability
  • aggression
  • anxiety
  • personality changes
  • insomnia
  • phobias


  • palpitations, tachycardia
  • shortness of breath
  • recent high blood pressure


  • nausea
  • diarrhea, sometimes with blood in stools
  • abdominal pain
  • pain when swallowing

Skin and Allergies

  • itching without a rash
  • lip and mouth reactions
  • hives
  • aggravated respiratory allergies such as asthma

Endocrine and Metabolic

  • loss of control of diabetes
  • menstrual changes
  • marked thinning or loss of hair
  • marked weight loss
  • gradual weight gain
  • aggravated low blood sugar (hypoglycemia)
  • severe PMS


  • frequency of voiding and burning during urination
  • excessive thirst, fluid retention, leg swelling, and bloating
  • increased susceptibility to infection

Additional Symptoms of Aspartame Toxicity

  • death
  • irreversible brain damage
  • birth defects, including mental retardation
  • peptic ulcers
  • aspartame addiction and increased craving for sweets
  • hyperactivity in children
  • severe depression
  • aggressive behavior
  • suicidal tendencies

Aspartame may trigger, mimic, or cause…

  • Chronic Fatigue Syndrome
  • Epstein-Barr
  • Post-Polio Syndrome
  • Lyme Disease
  • Grave’s Disease
  • Meniere’s Disease
  • Alzheimer’s Disease
  • ALS
  • Epilepsy
  • Multiple Sclerosis (MS)
  • EMS
  • Hypothyroidism
  • Mercury sensitivity from Amalgam fillings
  • Fibromyalgia
  • Lupus
  • non-Hodgkins
  • Lymphoma
  • Attention Deficit Disorder (ADD)

[Adapted from Dr. Janet Hull’s website]

You can also view the aspartame symptoms submitted to the FDA and find more even information about aspartame by visiting Dr. Hull’s website.