Profile: Alpha Diagnostic International, Inc. specializes in the development & distribution of a variety of elisa reagents and kits for human research. We offer products such as custom peptides & antibodies, primary antibodies, 2-antibodies & ELISA reagents, ELISA kits, ELISA readers & instruments, protein Lysates, blots & tissue slides & peptides. We provide peptides synthesis and polyclonal antibodies. Our human leptin elisa renders a rapid, specific and sensitive assay for leptin in human plasma or serum.