Chinese Herbal Medicine involves the use of substances taken from nature to regulate and normalise body function. They are mostly plant-based. The herbs can be well-known cooking herbs such as ginger, coriander, basil etc. But they can also be more unfamiliar herbs like Di Huang (Rehmannia), Huo Po (Magnolia Bark) and Fu Ling (Poria). Lastly, Chinese Herbal Medicine can also be of mineral or animal substance.

Traditional remedies derived from endangered species recorded on the CITES list are illegal in Australia and are replaced by other substances with similar actions.

Under the Therapeutic Goods Act 1989; all manufactured medicines in Australia are regulated by the Therapeutic Goods Administration (TGA) to ensure strict compliance with quality, safety, advertising, import and export.

Chinese herbs are typically used to enhance specific treatments and to regulate and normalise the way the body functions. Birga uses TGA approved Chinese herbal formulae in convenient pill or capsule forms.