1 OAK - [BACH FLOWER REMEDY]
2 OCIMUM CANUM
3 OENANTHE CROCATA
4 OKRA / LADIES FINGER / BHINDI
5 OLEANDER
6 OLEUM ANIMALE AETHEREUM
7 OLEUM JECORIS ASELLI
8 OLEUM SANTALI
9 OLIVE [BACH FLOWER REMEDY]
10 ONISCUS ASELLUS
11 ONOSMODIUM VIRGINIANUM
12 OPERCULINA TURPENTHUM
13 OPIUM
14 OPUNTIA FICUS
15 OREODAPHNE CALIFORNICA
16 ORIGANUM MAJORANA
17 ORNITHOGALUM UMBELLA
18 OSCILLOCOCCINUM, A FAMOUS HOMEOPAHTY REMEDY FOR FLU.
19 OSMIUM
20 OSTRYA VIRGINICA
21 OVI GALLINAE PELLICULA
22 OVININUM
23 OXALICUM ACIDUM
24 OXYDENDRON ARBOREUM
25 OXYTROPIS LAMBERTI