Protein-Distinct Macronutrient-Equivalent Diet 2

Inclusion criteria

• Generally good health status based on one routine physical in the past 15 months
• Normal HbA1C, weigh 110 lb or more
• Age 65 years or more, generally healthy, all races and both sexes
• Generally practicing a meat-based dietary pattern, do not have any special dietary requirement
• Willingness to comply with the study protocol, including on-site meal consumption and sample/data collection.
• Willing to consume pork as sole meat source during the feeding study.

Exclusion criteria

• Tobacco/drug/alcohol use
• Not on any special diet within 3 months of recruitment, and do not have any intention to lose weight.
• Active history of cancer, diabetes, heart, liver, and kidney diseases
• major gastrointestinal disorders in the past 3 months
• history of heart attacks or stroke
• Unable to meet in-person visit requirements for dining, picking up meals, and tests
• Any mental health condition that would affect the ability to provide written informed consent.
• If they were unwilling to abstain from taking certain nutritional supplements, alcohol, or non-study foods during the study period.