Routine Validation and Reproducibility Testing of Laboratory Assays and Research Techniques Used for Endocrine, Cardiometabolic, and Musculoskeletal Disorder Research (VALD)

Inclusion Criteria: * ≥18 and ≤100 years of age * body mass index ≥16.0 and ≤60 kg/m2 Exclusion Criteria: * \<18 and \>100 years of age * body mass index \<16.0 or \>60 kg/m2 * allergies, intolerances, or dietary restrictions to meal ingredients, vegans or vegetarians * use of medications or dietary supplements (e.g., anti-inflammatories, immune modulators, etc) that could interfere with the particular assay/techniques being evaluated * engaged in regular structured exercise \>150 min per week unless needed for validation of the assay/technique being evaluated * significant organ system dysfunction or diseases, except those that are sought for validation of the assay/technique being evaluated * alcohol use disorder as defined by the National Institute of Alcohol Abuse and Alcoholism or use of controlled substances unless alcohol use disorder is required for validation of the assay/technique being evaluated * pregnant women, persons who smoke, prisoners, and inability to grant voluntary informed consent.