Possible side effects of Juvenon may include upset stomach, trouble falling asleep and allergic reactions, according to the official website. Side effects reported for the supplement's individual ingredients may include abdominal cramps, nausea, vomiting, restlessness and skin rash. Psychiatric issues and seizures may occur as well.
Due to the possibility of gastrointestinal side effects when taking the supplement, users should take the product with food, and users with gastroesophageal reflux disease should consult a doctor before taking Juvenon, recommends the official website. Some users may have difficulty falling asleep if they take Juvenon at dinnertime, and a few users have reported isolated cases of an allergic reaction with symptoms such as rash or hives. The symptoms generally disappear when the user stops using Juvenon. Women who are pregnant or breastfeeding should avoid the supplement due to lack of adequate research supporting its safety.
Reported side effects of the ingredient acetyl L-carnitine include nausea, vomiting, cramps, headache and restlessness, confirms the official Juvenon website. Users with Alzheimer's disease may experience psychiatric disturbances, such as depression, and users with seizure disorders may experience a greater incidence of seizures. Alpha lipoic acid may cause skin rash when taken orally, and some research suggests that high doses may cause thiamine deficiencies.