Originally posted by: saechaka
I have taken the liquid form for a little over a year now. I get all of mine from Vitamin Shop. Here's the cheapest way I found to get it and it's through matching their online store. I take a printout or you can have them look it up (it takes longer but saves paper) and they'll match it no problems. It's currently about $23 for the 16.9oz bottle. Make sure you get the lemon flavor which actually tastes pretty good.
http://www.vitaminshoppe.com/s..._detail.jsp?id=CL-1938 Carlson's is well known and they test to make sure there are no contaminants for what it's worth.