* Adequate Intake (AI)
** The lower recommendation is for postmenopausal women taking estrogen supplements; the higher figure is for postmenopausal women not taking estrogen supplements.
Age (years) | Iodine (mcg) | Selenium (mcg) | Molybdenum (mcg) | Manganese (mg)* | Fluoride (mg)* | Chromium (mcg)* | Choline (mg)* |
---|---|---|---|---|---|---|---|
Males | |||||||
19–30 | 150 | 55 | 45 | 2.3 | 4 | 36 | 550 |
31–50 | 150 | 55 | 45 | 2.3 | 4 | 36 | 550 |
51–70 | 150 | 55 | 45 | 2.3 | 4 | 30 | 550 |
71 and older | 150 | 55 | 45 | 2.3 | 4 | 30 | 550 |
Females | |||||||
19–30 | 150 | 55 | 45 | 1.8 | 3 | 25 | 425 |
31–50 | 150 | 55 | 45 | 1.8 | 3 | 25 | 425 |
51–70 | 150 | 55 | 45 | 1.8 | 3 | 20 | 425 |
71 and older | 150 | 55 | 45 | 1.8 | 3 | 20 | 425 |
Pregnant | 220 | 60 | 50 | 2.0 | 1.5–4.0 | 29–30 | 450 |
Nursing | 290 | 70 | 50 | 2.6 | 1.5–4.0 | 44–45 | 550 |
* Adequate Intake (AI)
Adapted with permission from Recommended Dietary Allowances (Washington D.C.: National Academy Press, 1989), and DRI panel reports, 1997–2004
Hankering for more details? Notice something missing? Right — no recommended allowances for fat, carbohydrates, and, of course, water. You can find those (respectively) in Chapters 7, 8, and 12.
The slogan “No Sale Ever Is Final,” printed on the sales slips at one of my favorite clothing stores, definitely applies to nutritional numbers. RDAs, AIs, and DRIs should always be regarded as works in progress, subject to revision at the first sign of a new study. In other words, in an ever-changing world, here’s one thing of which you can be absolutely certain: The numbers in this chapter will change. Sorry about that.
Chapter 4
Bigger But Not Better
IN THIS CHAPTER
Defining obesity
Listing the fattest and fittest states
Figuring out how much you should weigh
Understanding how you fit into the equation
According to the Federal Centers for Disease Control (CDC), in 2016, nearly seven of every ten American adults was