An important nutrient would be beta carotene, which the body uses to make Vitamin A.
yes because it's in most vegetables like lettuce and spinach(etc).
strach
fat
No, spinach does not contain caffeine. While some plants like coffee beans and tea leaves naturally contain caffeine, spinach is not one of them.
Heroin.
carrots and squid rings also a bit of spinach juice
Liver, red meats, spinach and other green leafy vegetables and grapefruit are sources of iron. It is also added to many breakfast cereals. You can also get it from chocolate!
No. I have a nightshade allergy and spinach does not make me sick; I have another friend with a similar allergy who can also eat spinach. Most lists of nightshades I have found online do not contain spinach; https://secure.wikimedia.org/wikipedia/en/wiki/Spinach does not list Solanaceae.
Leaves are eaten in spinach. These are fleshy, green and contain lots of iron.
iron
3.5 ounces of spinach is approximately 99.2 grams. This amount can be roughly equivalent to about 10 cups of raw, fresh spinach, as it shrinks significantly when cooked. Spinach is nutrient-dense, providing a good source of vitamins A, C, and K, as well as iron and calcium.
soy, beetroot, black olives, spinach, celery, tomatoes, & goji berries. These contain the most collagen, especially the soy.