A - Natural Products
- Acidophilus (acidophilus, acidophilus lactobacillus, L. acidophilus)
- Alfalfa (alfalfa, lucerne)
- Aloe Vera (aloe vera, aloe, burn plant, barbados aloe, Curaçao aloe, lily of the desert, elephant’s gall)
- Angelica (angelica, archangel, European angelica, garden angelica, root of the holy ghost)
- Arnica (arnica, European arnica)
- Ashwagandha (ashwagandha, asvagandha, asgandh, winter cherry)
- Asian Ginseng (Asian ginseng, ginseng, Chinese ginseng, Korean ginseng, Asiatic ginseng)
- Astragalus (astragalus, bei qi, huang qi, ogi, hwanggi, milk vetch)
- Avens (avens, herb bennet, wood avens, colewort, geum, city avens, wild rye, way bennet, goldy star, clove root, blessed herb, Benedict's herb)