I totally believe that supplementing is not necessary with a good balanced diet. Unless a problem exists or special conditions apply.
The salads mine eat have 15 different baby greens in them and they are a staple. They get treats, and fruit as well. Those pelleted foods are perfect additions to your program....you will find it hard to match them if you tried....they are prepared perfectly. Mine love them

I was just speaking to the zookeeper just yesterday at the reptile house about cyclura husbandry, and she thought my diet was right on the money and for the right reasons.
Also all those 5% 3% stuff that you see on bulbs---just toss them and get a meter...you might be suprised at what you find out.
At the very least read the latest findings at : UVB METER
owners@yahoogroups.com
Bulbs will never be looked at the same again.