Table 1 Search strategy for the MEDLINE via PubMed

(("vitamin d"[MeSH Terms] OR "ergocalciferols"[MeSH Terms] OR "fatty acids, omega 3"[MeSH Terms] OR "albumins"[MeSH Terms] OR "proteins"[MeSH Terms] OR "amino acids"[MeSH Terms]) AND "randomized controlled trial"[Publication Type] AND ("sarcopenia"[MeSH Terms] AND "randomized controlled trial"[Publication Type])) AND (randomizedcontrolledtrial [Filter])

Translations

vitamin d [MeSH Terms]: "vitamin d"[MeSH Terms] OR "ergocalciferols"[MeSH Terms] Omega 3 fatty acid [MeSH Terms]: "fatty acids, omega-3"[MeSH Terms] Albumin [MeSH Terms]: "albumins"[MeSH Terms] Protein [MeSH Terms]: "proteins"[MeSH Terms] amino acid [MeSH Terms]: "amino acids"[MeSH Terms] randomizedcontrolledtrial [Filter]: randomized controlled trial [PT] sarcopenia [ MeSH Terms]: "sarcopenia"[MeSH Terms] randomizedcontrolledtrial [Filter]: randomized controlled trial [PT]