Each tablet contains telmisartan 40 or 80 mg and amlodipine besilate 5 or 10 mg. It also contains the following excipients: Anhydrous colloidal silica, FD&C blue no. 1 aluminium lake (E133), black ferric oxide (E172), yellow ferric oxide (E172), magnesium stearate, maize starch, meglumine, microcrystalline cellulose, povidone K25, pregelatinized starch, sodium hydroxide, sorbitol.
Telmisartan is [1,1'-biphenyl]-2-carboxylic acid, 4'-[(1,4'dimethyl-2'-propyl[2,6-bi-1H-benzimidazole]-1'-yl)methyl].
Amlodipine is 3-ethyl-5-methyl (4RS)-2-[-(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate.