Best Vitamin Supplement to use

[Necro-Sigh]

Hello, while waiting on baby Wifi to hatch/ arrive which is the best supplment to use? I use this for my leopard geckos and bearded dragon. How often should I dust Wifi's food with these?
Just want to make sure I'm doing things right.
Repashy Calcium Plus
Calcium Plus Vitamin and Calcium Supplement.
Repta Calcium D3 free, phosphorus free

 

[AlphaAlpha]

Everymeal should be dusted