OK lets start with diet, as you have it all wrong.
"caned green beans and carrots also fresh leaf lettuce red lettuce. honey dew , cantelope,onions, all choped to proper size along with comercial pellets."
Other than honey dew and cantaloupe, don't feed any of these ever. Get fresh green beens canned are cooked and aren't good for your ig. Onions will upset their stomach, and most commercial pellets contain animal by products which are a huge no no for igs, it kills their kidneys. lettuce is just water, don't give it also stay away from spinach it binds calcium.
As ravnos said give dark leafy greens, as most of their diet, you can top with a strawberry (even the stem) or other fruits.
Stay away from acidic fruits such as tomatoes and grapefruit.
OK now for lighting. You need a UVB bulb it has to say UVB not full spectrum or UV get a 10.0 florissant one not a compact one they can harm their eyes.
how big is your cage? full grown you will need a very large cage, something around 5'x4'x6' tall.
don't use the vitamin spay, its not good for them, you should get a calcium powder that is 100 % calcium with no phospherous. You will find that nothing made for iguanas is good for iguanas. In my cage for my iguana the only thing made for reptiles is the lights.
It is perfectly normal for your ig not to have eaten yet especially if you are handling them. some things to look for in body language is freezing up (scared stiff in other words) and closing the eye closest to you. both things are to ignore you and hope that you wont see them. i would stop handling him for a week so he becomes comfortable in his cage then start slow. He will puff up, tail whip, and run away. Just go in the cage to change the water and clean out poop. slowly you will be able to put your hand around him with out him freaking out and running and then you can start slowly stroking but never go in from the top as they will think you are looking to grab and eat them.
With him being so little it is not unusual for him not to be aggressive yet, he is still in freeze mode. He won't move a muscle in hopes that you don't see him. It is their camouflaging.
Make sure the pieces are cut very small. I will post links to a caresheet and several of my threads about my iguana. hold on.
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