insuflation vs oral absortion rates

[BlackOut]

I have searched and came up with different percentages:
insufflation: loss of 30 to 60 percent
oral: 30 percent loss
but it seems that opinions differ on this one.
My basic question is:
where is the biggest drug "loss": by insufflation or oral administration?

 

[Technical User]

If someone answers this can they give a link - I have also been wondering about this.
Thanks

 

[AbraMontague]

Are you asking about a specific drug? Cause both of these percentages will be different for just about every single drug there is.

 

[BlackOut]

Well, ok, I could mention speed (meth, amph, Ritalin, etc) as the main drug in question...?? Any numbers?

 

[End_User]

Originally posted by AbraMontague:
Are you asking about a specific drug? Cause both of these percentages will be different for just about every single drug there is.
Well can we get a link to absorption rates and loss for various substances?