This is so easy to use which makes it that much nicer to have around. Very nutritious and recommended by Cheech's vet for the calcium which is SO important for reptiles! It's awesome that it's a spray...when my iguana was getting the dust, he would see it and avoid his food. With the spray, when he checks his food out, he sees nothing but his tasties!

Pros: Easy to use-no coloring or messy dust.

Cons: None

I fed this periodically to my iguana as a nutritional supplement, and believed that it did help him stay healthy throughout his life....he lived up to 19 years old, which is a decent life-span for a green iguana in captivity.

Pros: Nutritious, neutral taste

Cons: ...