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IronforVegansSources,Absorption,andDeficiencyRisk

Plant iron works differently, and once you know how, it works well.

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Iron for Vegans — Sources, Absorption, and Deficiency Risk

Plant iron (non-heme) is absorbed at 2–20% depending on context, versus 15–35% for heme iron from meat. The EFSA recommends vegans and vegetarians aim for ~1.8× the standard RDA — about 14 mg for men and 32 mg for pre-menopausal women. This is easily reached with lentils, tofu, pumpkin seeds, oats, and dark leafy greens. Pair with vitamin C to multiply absorption 3–6×.

0 mg (men) / 18 mg (women, pre-menopause)
RDA
0
top plant sources
0%
achievable on a well-planned vegan diet
0
supplement worth considering

IRON

Best plant sources

Lentils, cooked3.3 mg / 100 g
Tofu, firm2.7 mg / 100 g
Pumpkin seeds8.8 mg / 100 g
Spinach, cooked3.6 mg / 100 g
Chickpeas, cooked2.9 mg / 100 g
Fortified oats (1 serving)10–18 mg
Dark chocolate 70%+11.9 mg / 100 g

Source: NIH ODS 2024; EFSA 2015

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Absorption & practical tips

Add lemon, orange, kiwi, bell pepper or tomato to your iron-rich meal. Avoid tea, coffee and calcium supplements within 1 hour of the meal — polyphenols and calcium block iron uptake.

Vegans are not more anaemic than omnivores. EPIC-Oxford (65 000 adults) found similar haemoglobin levels; menstruating women of all diets need attention, not just vegans.

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