Inclusion Criteria:

- Age 20-65

- Absence of all exclusion criteria

Exclusion Criteria:

- women who are currently pregnant at the time of recruitment and/or plan to become
pregnant within 2 months

- individuals taking nutritional supplements at the time of recruitment

- individuals who have taken nutritional supplements within the last 3 months

- participants enrolled in any other clinical trial

- women who are currently breastfeeding

- individuals known to have coronary heart disease, cerebrovascular disease,
hypertension, renal disease, chronic obstructive pulmonary disease, asthma, cancer,
or liver disease

- participants with protein or glucose in their urine sample (dipstick test)

- individuals whose drinking water history is complete for < 3 months