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Agmatine

Agmantine is a natural metabolite of the amino acid arginine. … As an investigational drug, it is being studied in a non-blinded prospective case study in the United States looking at patients who have been diagnosed with small fiber peripheral neuropathy between the

Acetylcarnitine

Acetylcarnitine is an investigational drug in the United states, Italy, United Kingdom, China, Israel, and Norway, and it is approved in Italy, Portugal, Argentina, Chile, Philippines, Australia, and India. Acetylcarnitine can be synthes...

Oxogluric acid

studies have shown a reduction in ammonia by oxogluric acid in hemodialysis patients. … In the United States a phase I clinical trial is investigating whether oxogluric acid precursors found in nutritional supplements can benefit patients with the metabolic disorder propionic acidemia.

Hydroxyproline

Hydroxyproline is mostly used as a diagnostic marker of bone turnover and liver fibrosis. … Hydroxyproline is a neutral heterocyclic protein amino acid. It is found in collagen and as such it is common in many gelatin products.

Cholecystokinin

Cholecystokinin ( also known as _CCK or CCK-PZ_) is a peptide hormone of the gastrointestinal system which is responsible for stimulating the digestion of fat and protein. … Recent studies have suggested that cholecystokinin also plays a major role in inducing drug tolerance to opioids such as morphine and heroin, and is partially implicated in experiences of pain hypersensitivity

Seocalcitol

Octylphenoxy polyethoxyethanol

Inecalcitol

Clioquinol

Clioquinol was withdrawn in 1983 due to neurotoxicity.

Zimelidine

Zimelidine has been banned worldwide due to serious, sometimes fatal, cases of central and/or peripheral neuropathy known as Guillain-Barré syndrome and due to a peculiar hypersensitivity reaction involving