The components of aspartame can lead to a number of health problems, as you have read. Side effects can occur gradually, can be immediate, or can be acute reactions.
According to Lendon Smith, M.D. there is an enormous population suffering from side effects associated with aspartame, yet have no idea why drugs, supplements and herbs don’t relieve their symptoms. Then, there are users who don’t ‘appear’ to suffer immediate reactions at all. Even these individuals are susceptible to the long-term damage caused by excitatory amino acids, phenylalanine, methanol, and DKP.
Adverse aspartame side effects and reactions include: