<unk> (injection) is a amino acid supplement that is FDA approved for the treatment of patients with an inborn error of metabolism which results in secondary carnitine deficiency.   Common adverse reactions include diarrhea, nausea, stomach cramps and vomiting.
Levocarnitine 
Methenamine mandelate
Succimer
Sodium aurothiomalate
Sodium phenylbutyrate
Aurothioglucose
Xantinol nicotinate
Tuaminoheptane