If you want to compare results you must do so with all faucets of husbandry being equal, then add in the UV bulbs, add in the gutload products, and the other fancy petstore products, then compare the results.
If you are using husbandry that works or is good, then you add in these products to compare, you can then compare the differences. If not you are hoping these products are filling in weak points in your husbandry and it is much less than adequate therefore needs changed.
Im not saying that you should never use these products, but I am saying that you should get good results without them, then experiment from there.
I have never found one species of reptile that needs these products, and with proper husbandry Ive never seen one that shows any benefit from them.
By the way in the years Ive posted here, and the many years Ive kept monitors I have noticed simply that the average monitor keeper that has at least minute sucess has spent years keeping (very sucessfully) many other reptile species. If you look at the other forums you will see most are full of the newest reptile keepers, also some business/breeders that are trying to promote the use of overpriced pet products as needed aspects of husbandry.
A few years ago someone who studies monitors in the wild, keeps them in captivity, writes articles and books about them, wrote a great post about light intensity and how it effects reptiles. The post compared the intensities of these bulbs (that UV levels are useless to make any difference) to sunlight at various times of day, after reading it you would understand why these bulbs make no difference compared to any other bulb, simply put a bulb is a bulb is a bulb, none are the sun.
This discussion has gone on here hundreds of times in the past, to this day the only differences are the names of those who preach the use of those bulbs, the facts have not changed, nor have the results.

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