Kale contains plenty of iron.
Vitamin C helps your body absorb iron.
So you can take iron effectively taking with vitamin C contained vegetable or juice.
On the other hand,
Calcium and Phenol that is contained in coffee and tea prevent absorption of iron.
So you better not take them together.
They say, "It is delicious", but it looks.... really?
It looks good (ﾟ∀^*)d!
Iron highly contained Vegetables:
Hijiki 55, Dried Cloud Ear Mushroom 35, scorched seaweed 11, sesame seed 9.6, soy been (dry) 9.4, almond 4.7, kombu (dry) 3.9, natto 3.3, komatsuna 2.8, edamame 2.7 ...
Iron highly contained Meats:
Liver (pork) 13, Liver (chicken) 9, Liver (beef) 4, Asari (Manila clam) 3.8, scallop 2.2, lamb (shoulder) 2.2, bonito 1.9 ...
the numbers are contented mg/100g.