I wouldnt say that it is too much, 4ml daily is the recommended dosing level. which is a smidge under a teaspoon.

There are other factors too look at like what meats are being fed to the dog, but as I said the real way to know for sure that the dog is right is to get a blood test and know positively what the levels are.

Also as I said before the dog will pass anything deemed excess to its needs, unless it is massively oversaturated with iron and cant get rid of it fast enough.

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