I did some quick research, and got the ingredients of both diets. I'm not a zoologist, but it seems that the zoo med diet would be a better diet for ctenosaura, unless those "unpronounceable ingredients" that you may be able to pronounce are better than collard greens, mustard greens, and kale. I have never heard of soybeans being used as a main ingredient also.



Here is the Marion reptile diet: (scroll down for zoo med diet)

Ingredients



1.Soybean hulls,

2.soybean meal,

3.corn gluten meal,

4.corn hominy, sucrose,

5.sugar beet pulp,

6.corn grain,

7.dehydrated alfalfa,

8.soybean oil,

9.(stabilized), dicalcium phosphate,

10.apple fiber,

11.calcium carbonate,

12.sodium chloride,

13.L-lysine,

14.propionic acid,

15.vitamin C,

16.vegetable juice added for color,

17.natural flavor, choline chloride,

18.zinc oxide,

19.ferrous sulfate,

20.manganous oxide,

21.nicotinic acid,

22.d-calcium pantothenate,

23.copper sulfate,

24.menadione dimethyl-pyrimidinol

25.bisulfite (vit K),

26.riboflavin supplement,

27.thiamin mononitrate,

28.ethylenediamine dihydriodide,

29.sodium selnite,

30.biotin,

31.folic acid,

32.pyridoxine HCL (vit B-6),

33.cyanocobalamin (vit B-12),

34.stabilized retinyl palmitate (vit A),

35.D-activated animal sterol (vit D-3),

36.dl-alpha tocopheryl acetate (vit E).

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Crude Protein 22% minimum

Crude Fat 4% minimum

Crude Fiber 12% maximum

Moisture 10% maximum

Ash 6% maximum

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Here is the Zoo Med Juvenile reptile diet:

Ingredients:



1.Sun-Dried Alfalfa,

2.Wheat Bran,

3.Soybean Meal,

4.Collard Greens,

5.Mustard Greens,

6.Kale,

7.Spirulina,

8.Glycerin,

9.Natural Flavors,

10.Beta Carotene,

11.Vitamin D3,

12.Vitamin A Acetate,

13.Vitamin B12 Supplement,

14.Riboflavin, Niacin,

15.Folic Acid,

16.Menadione Sodium Bisulfite Complex (Vitamin K),

17.Calcium Pantothenate, Pyridoxine Hydrochloride,

18.Thiamine, Biotin, DL Alphatocopherol (Vitamin E),

19.Stable Ascorbic Acid,

20.Choline Chloride,

21.Cobalt Sulfate,

22.Copper Sulfate,

23.Ferrous Sulfate,

24.Manganese Sulfate.

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Crude Protein, min., 24.0%

Crude Fat, min., 6.0%

Crude Fiber, max., 12.0%

Moisture Content, max., 15.0%

Ash Content, max., 9.0%

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