It's not advised to make this a habit because depending on the formulation, the liquid probably contains colorants and flavorings to make it more palatable. I don't think it would be too good for your veins. Welcome to Bluelight!
The pills can be prepped like regular no.4 heroin if crushed and micron filtered, but the solution is a syrup, with many more soluble cuts, flavourings etc. And should NEVER be injected, ever.