Table 7.
Percent intake and per unit cost of potassium in 2015–2020 DGA (appendix 12) identified food sources
| Food Source | % Daily Intake Mean ± SE | Cost cents per mg Mean ± SE | Rank by Costa | % Daily Intake Mean ± SE | Cost cents per mg Mean ± SE | Rank by Costa |
|---|---|---|---|---|---|---|
| Children 2–18 years | Adults 19–99 years | |||||
| Avocado | 0.12 ± 0.04 | 0.10 ± 0.0002 | 4 | 0.43 ± 0.04 | 0.10 ± 0.0001 | 5 |
| Beans | 1.33 ± 0.18 | 0.10 ± 0.01 | 4 | 1.98 ± 0.10 | 0.11 ± 0.01 | 6 |
| Beet green | NA | NA | NA | NA | ||
| Dried Peaches, prunes, apricots | 0.004 ± 0.002 | 0.28 ± 0.14 | 8 | 0.03 ± 0.01 | 0.09 ± 0.001 | 3 |
| Fish | 0.62 ± 0.09 | 0.54 ± 0.02 | 9 | 1.65 ± 0.15 | 0.50 ± 0.01 | 9 |
| Juice | 5.68 ± 0.24 | 0.08 ± 0.002 | 2 | 3.65 ± 0.16 | 0.08 ± 0.01 | 2 |
| Milk (dairy) | 18.2 ± 0.4 | 0.09 ± 0.001 | 3 | 6.31 ± 0.20 | 0.09 ± 0.001 | 3 |
| Potatoes and sweet potatoes | 5.32 ± 0.27 | 0.06 ± 0.001 | 1 | 6.23 ± 0.19 | 0.07 ± 0.001 | 1 |
| Spinach | 0.13 ± 0.03 | 0.15 ± 0.003 | 6 | 0.42 ± 0.05 | 0.16 ± 0.01 | 7 |
| Tomato paste, puree | NA | NA | NA | NA | ||
| Yogurt | 1.24 ± 0.10 | 0.20 ± 0.002 | 7 | 1.04 ± 0.06 | 0.19 ± 0.003 | 8 |
Data from NHANES 2011–2014; NA – Intake data was not available in NHANES 2011–2014
aRanking of foods from least expensive to most expensive source