eTable 5. Potentially critical vitamins and minerals in a vegan diet and a selection of food items of plant origin, typically containing large amounts of these vitamins and minerals.

Potentially critical vitamins and minerals in a vegan diet	Food items of plant origin with high contents
Vitamin D	Some mushrooms
Vitamin B2	Nuts, oilseeds, pulses, various types of vegetables (e.g. broccoli, kale), and whole grains
Calcium	Vegetables (e.g. broccoli, kale, rocket salad), nuts, pulses, tofu
Iron	Pulses, nuts, oilseeds, whole grains, and various types of vegetable (e.g. spinach, salsifies), berries
Iodine	Iodized table salt and food prepared with it, algae*
Zinc	Whole grains, pulses, nuts, oilseeds
Selenium	Cabbage (e.g. broccoli, white cabbage), bulb vegetables (e.g. garlic, onions), mushrooms, asparagus, pulses
Vitamin B12	–

This table was modified from to Richter et al. (9). It should be noted that by the consumption of the various food items adequate intake of the respective nutrients is not necessarily ensured.

*Algae may contain iodine in amounts that, when consumed in great quantities, exceed the maximum tolerable intake of iodine per day.