Let me which(if any) of these may be a bad idea at the same time, or may ruin the absorption of another.
Osteo Sport (joint supplement w/ Cissus, Hyaluronic acid, glucosamine, chondroiton, etc...)
Iron Complex (w/Iron Biglycinate, Vitamin C, B12)
Jack3d (pre work out supplement)
ZMA (zinc magnesium aspartate, with b6)