Abstract:
Compositions which contain an amino acid containing serine and a lipid containing a n-3 fatty acid are useful for the prophylaxis or improvement of peripheral neuropathy.
Abstract:
Administering an agent containing isoleucine and threonine as active ingredients is effective for the prophylaxis or improvement of frailty in an elderly person and is safe even by ingestion for a long term. The agent for the prophylaxis or improvement of frailty may further contain tryptophan and/or methionine as an active ingredient.