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Oat Herb (Avena sativa)

• Lowers cholesterol in blood,
• antidepressive,
• diuretic,
• wide range of nervous condition,
• insomnia,
• nerve stimulant,
• sexual tonic,
• menopause.

Olive Leaf (Olea europaea)

• Blood pressure lowering effect,
• astringent,
• antiseptic,
• demulcent,
• strong epidemiological evidence suggests people who consume the Mediterranean diet have a lower incidence of certain cancers, including breast, skin, and colon,
• olive oil appears to act synergistically with omega-3 fish oils to improve the symptoms of rheumatoid arthritis; the benefits are thought to be exerted through the oleic acid component.

Oregon Grape (Mahonia aquifolium)

• Psoriasis, antiproliferative against cell growth of human keratinocytes,
• potent anticomplement activity,
• antibacterial,
• antioxidant,
• inhibits the biosynthesis of interleukin-8,
• inhibits lipoxygenase activity,
• antitumor activity,
• cream made of Mahonia appears to be a safe and effective treatment for adult patients with atopic dermatitis,
• effective and well tolerated in patients with mild to moderate psoriasis.

Oriental Stephania (Stephania cepharantha)

• Against herpes simplex virus type-1,
• asthma,
• excellent diuretic, arthritis, oedema, oedema in the limbs, ascites, for generalized oedema with floating pulse, for severe oedema due to hypofunction of the spleen,
• hypotensive,
• sedative,
• analgesic,
• dryness in the mouth and tongue,
• inflammation of nerves, back pains, gout,
• Bell's palsy,
• new findings suggested that the combination of radiotherapy and cepharanthin could enhance radiosensitivity in the treatment of human oral cancer.

Orris Root (Iris fiorentina)

• Bad breath,
• dropsy,
• angina,
• cough,
• cosmetic use.