Can licking an iron bar get you the daily recommended amount of iron?

R5v5n1nt@lemmy.world to Ask Lemmy@lemmy.world – 172 points –

How many licks would it take? Can the iron in bars even be processed by the body? Can you do this for other minerals?

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And which is more bioavailable, metallic iron or iron oxide? Do we want to lick clean iron or rusty iron??

You can get all the iron you need from vegetables and certain meat or even taking supplements. There's no need to go about eating rusty metal. In fact, my doctor has advised me not to eat nails. I have to trust what he says, he's printed out several impressive medical degrees.