AH3 stands for Acetyl Hexapeptide-3AH3 stands for American Heritage Dictionary of the English Language, 3rd EditionAH3 stands for Ashburton Hash…
AGTSP stands for All Glories to Srila Prabhupada (used by Srila Prabhupada devotees)
AGTG stands for All Glory to God (song) AGTG stands for Alberta Gene Therapy Group (Canada)