Nutrients · mg
Iron
Iron carries oxygen in your blood. Needs are higher for menstruating women. Pairing plant (non-heme) iron with vitamin C improves how much you absorb.
How much you need
Values are for general adults and vary by age, sex, and life stage. S8D personalizes the exact target to your profile.
Where to get it
- Red meat
- Lentils & beans
- Tofu & tempeh
- Spinach
- Fortified cereals
Common questions
How much Iron do adults need?
Most adults need 8 mg (men and women 51+); 18 mg (women 19–50) of Iron (measured in mg). The exact target depends on age, sex, and life stage — S8D personalizes it to your profile.
What is the tolerable upper limit for Iron?
The tolerable upper limit is 45 mg. Staying under it avoids the risks of excess intake; S8D never builds a day that exceeds any nutrient's upper limit.
Which foods are high in Iron?
Good sources include Red meat, Lentils & beans, Tofu & tempeh, Spinach, Fortified cereals.
Why does Iron matter?
Iron carries oxygen in your blood. Needs are higher for menstruating women. Pairing plant (non-heme) iron with vitamin C improves how much you absorb.