Where do vegetarians get their Iron and Vitamin Bs from?

I really want to become a vegetarian but everytime I become one (hence, stop eating meat), I end up with either an iron deificiency or a vitamin B deficiency, and I have to resort to going back to eating meats and taking supplements.
My question to any vegetarian out there is : what on earth do you do to maintain a normal level of iron and vitamin B in your body?
Thank you for your time.

Vitamins...

I'm currently transitioning to being a vegetarian, so I've been doing research on the subject.
2 tablespoons of fresh parsley or 2 teaspoons of dried parsley have 50% of the iron you need. You can add it to soups, potatoes, or pesto. Dark leafy vegetables are also good sources of iron. Not as much as Popeye would make it look, but a serving a day does the trick.
There's vitamin B in potatoes, bananas,lentil, tempeh, and in most whole grains. Barley is a good source of vitamin B. If you can stomach them, vegemite and marmite are almost pure vitamin B. I can't stand them, but some people love them.
You might have to take a vitamin B12 supplement, because that one is hard to get from plants if you get busy and don't have time to plan your meals, but you can get everything else from veggies, fruits and legumes without doing anything special.

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Clueless

I get all my iron and B vitamins from dark leafy breens, dried fruits, wholegrains, nuts, beens, yeast extract, nutritional yeast flakes and amino extracts.

No need for supplements or pill popping. Just an all natural balanced diet.

Beans (like lentils, chickpeas) and nuts are very good sources of iron.
B vitamins are there in all kinds of foods, so I don't know why a vegetarian would be deficient. Asparagus is a good source of folic acid.

Dark leafy greens, such as spinach, contain both iron and vitamin B. In fact, they usually contain more iron than most meats.

Green veggies, spinach, chick peas, and i take organic vitamin b and iron supplement pills.

I am 11 and I decided to become a vegetarian at age two!
I don't know .
My mom makes me take vitamins everyday . Good Luck!

Eat lots of green leafy vegetables and legumes.

Vitamins or supplements should work

you can get iron from eggs

I love spinach.... And I take a multivitamin. which takes care of most of my nutrients.

spinach gives you iron

FOOD LIKE SPNISH AND CHICK PEAS.

from pills

they usually don't get enough of vitamins, but the have to eat more vitamin B and iron rich foods. The only bad part about this is that they end up either overeating, or having too many calories. Also lots of them take lots of vitamins every day to make up what nutrients they lack.