Ferramol, is actually a product of nature. Certain plants produce these iron phosphates to protect their leaves. In these pills, there's also some snail yummy food to get them interested.
First froggs don't eat these, because their not moving and certanly noy protein. And if they ate, there's only 10 grams of iron phosphate in 1kg also 1%. so it should not be too much, because iron phosphates dillutes really poorly.
Fruit Hill Farm --- The mailorder company for the environment friendly household, farm and garden
Fruit Hill Farm --- The mailorder company for the environment friendly household, farm and garden
http://eddenet.pmra-arla.gc.ca/4.0/4...1%3A51%3A06+PM
Those links I found with google in few seconds... so you have it also in States.