For a basic primer, here are some great, useful links. Want to know what the difference is between M-Stak and Stak? Stak and Test? What Animal Pak is? Where you can find the energy capsule in Pump? Find out in the following links:

Product Chart
A useful chart indicating which Animal product is best for which goal:
http://www.animalpak.com/html/articl...&section=packs

Individual Product Summary
A basic summary of what each Animal product is and does:
http://www.animalpak.com/html/articl...ils.cfm?ID=213

Product FAQs
A section with basic, popular Animal product FAQs:
http://forum.animalpak.com/forumdisplay.php?f=59

Basic Animal "Stacks"
Some basic Animal "stacks" spelled out:
http://www.animalpak.com/html/articl...&section=packs



Other Resources
How To Build A Stack:
http://forum.animalpak.com/showthread.php?t=16007

Designing A Stack 101:
http://forum.animalpak.com/showthread.php?t=257