I don't use supplements every feeding turn on my adult specimens,
i think a wide variety of feeder insects may be even more important.
Every insect has it's own nutritious values.

When i do supplement, i use Herpetal Amphib and Dendrocare on turns

I also use UV above my cages to supply them a natural vitamine D3 source.
For the small ones i use lots of springtails and woodlice, since those are packed with vitamine D2.

Anyway, this works for me, but it is mostly done by feeling and satisfying results.
I'm not aware of any scientific research on the needs of vitamines and minerals with different species of frogs.