Unfortunately, most commercially available foods are very poor in nutritional value, especially products like gel cubes or bran flakes. These are not a suitable gut-load and it can lead to health issues down the line for your chameleon. So look online and research dry gut-load mixes and determine which one is right for you.
Best Gut-Loading Ingredients
Good to OK Gut-Loading Ingredients
Poor Gut-Loading Ingredients
Broccoli, Cabbage, Bok Choy, Spinach, Soy, Apricots, Figs, Kiwi, Asparagus, Dog/Cat/Fish Food, Eggs, Meat, Dead Insects, Vertebrates, Iceberg Lettuce
Below are important minerals and vitamins (and some ingredients they are found in) depending on what you want to target with your gut-loading. Some minor health issues can be cleared up with a little extra vitamin A, for example, where as others will need other vitamins and/or minerals.