Composition for promoting mitochondrial biogenesis and improving mitochondrial function in a subject, the composition comprising an active agent, said active agent containing the amino acids leucine, isoleucine, valine, threonine, lysine and citric acid, succinic acid, malic acid.

Amino acid composition for use in the treatment of mucositis in patients suffering from head and neck cancer, undergoing radiation therapy and/or chemotherapy, the composition comprising an active agent, said active agent comprising the amino acids: glutamine, leucine, isoleucine, valine, lysine, threonine, histidine, phenylalanine, methionine, tryptophan, tyrosine, and cystine, wherein the glutamine:leucine weight ratio is comprised in the range 4.3 to 5.3.

Amino acid composition for use in the treatment of mucositis in patients suffering from head and neck cancer, undergoing radiation therapy and/or chemotherapy, the composition comprising an active agent, said active agent comprising the amino acids: glutamine, leucine, isoleucine, valine, lysine, threonine, histidine, phenylalanine, methionine, tryptophan, tyrosine, and cystine, wherein the glutamine:leucine weight ratio is comprised in the range 4.3 to 5.3.

Amino acid composition for use in the treatment of mucositis in patients suffering from head and neck cancer, undergoing radiation therapy and/or chemotherapy, the composition comprising an active agent, said active agent comprising the amino acids: glutamine, leucine, isoleucine, valine, lysine, threonine, histidine, phenylalanine, methionine, tryptophan, tyrosine, and cystine, wherein the glutamine:leucine weight ratio is comprised in the range 4.3 to 5.3.

A method of treating chronic kidney disease in a mammalian subject by administering a composition that includes L-arginine, glycine, L-glutamine, L-histidine, L-aspartic acid L-glutamic acid, and L-carnosine.

A method of treating chronic kidney disease in a mammalian subject by administering a composition that includes L-arginine, glycine, L-glutamine, L-histidine, L-aspartic acid L-glutamic acid, and L-carnosine.

A method of treating chronic kidney disease in a mammalian subject by administering a composition that includes L-arginine, glycine, L-glutamine, L-histidine, L-aspartic acid L-glutamic acid, and L-carnosine.

A method for skin care and/or maintenance including applying or administering a preparation to a subject is provided. The preparation includes a biomedical composition, and the biomedical composition includes an effective amount of micelle, wherein the micelle includes a hyaluronic acid and/or a derivative thereof and a modified histidine. The modified histidine is grafted to at least one primary hydroxyl group of the hyaluronic acid and/or the derivative thereof, and a graft ratio of the modified histidine is 1-100%. Moreover, the hyaluronic acid and/or the derivative thereof and the modified histidine form the micelle on a weight percentage of 0.2-300:1.

A method for skin care and/or maintenance including applying or administering a preparation to a subject is provided. The preparation includes a biomedical composition, and the biomedical composition includes an effective amount of micelle, wherein the micelle includes a hyaluronic acid and/or a derivative thereof and a modified histidine. The modified histidine is grafted to at least one primary hydroxyl group of the hyaluronic acid and/or the derivative thereof, and a graft ratio of the modified histidine is 1-100%. Moreover, the hyaluronic acid and/or the derivative thereof and the modified histidine form the micelle on a weight percentage of 0.2-300:1.

Methods for the safe administration of imidazole or imidazolium compounds such as zoledronic acid, and conditions that may be treated by these methods, are described herein.