This cross-sectional study aims to investigate the associations between dietary intake, cardiometabolic health markers, and gut microbiota composition in Singapore adults.
Able to give informed consent
Adults 21-80 years old
English-literate
Have venous access sufficient to allow for blood sampling as per the protocol
Taking dietary supplements and fermented foods, which may impact the gut microbiota (e.g. antibiotics, prebiotics, probiotics, yogurt, kimchi) 2 months before starting the 1st study visit only.
Taking dietary supplements or medications, which may impact sleep outcomes (e.g. Nutritional Shakes (e.g. Ensure), tryptophan, 5-hydroxytryptophan or melatonin supplementations) 1 month before starting the study.
Taking dietary supplements which may impact the eye outcomes (e.g. Vitamin A, vitamin A-containing multivitamin) 2 months before starting the study.