Research

Research on Traditional Chinese Herbs for Cold-Type Respiratory Support

Modern research has examined the individual herbs used in Asthma (C) Formula, including Cinnamon Twig (Gui Zhi), Dried Ginger (Gan Jiang), Tangerine Peel (Chen Pi), Poria (Fu Ling), Platycodon Root (Jie Geng), and Schisandra Fruit (Wu Wei Zi).

Published research has explored the traditional uses, botanical characteristics, naturally occurring compounds, processing methods, pharmacological properties, and safety considerations of these herbs. Studies involving their individual compounds have investigated antioxidant activity, healthy inflammatory responses, immune regulation, fluid metabolism, phlegm and mucus balance, and respiratory function.

Much of the available evidence comes from laboratory studies, animal research, traditional-use documentation, and reviews rather than human clinical trials of the complete Asthma (C) Formula. Research on individual herbs should not be interpreted as proof that the complete formula treats asthma or any other medical condition.

From a Traditional Chinese Medicine perspective, this combination brings together herbs that warm the Lung, transform Cold-Phlegm, regulate Qi, strengthen Spleen function, support fluid metabolism, disseminate Lung Qi, and help contain weakened Lung Qi. These traditional functions support respiratory balance when symptoms present with a distinctly Cold-type pattern.

Research References

The Traditional Uses, Phytochemistry, Pharmacology and Toxicology of Cinnamomi Ramulus: A Review
https://pubmed.ncbi.nlm.nih.gov/31750548/

Bioactive Compounds and Bioactivities of Ginger (Zingiber officinale Roscoe)
https://pubmed.ncbi.nlm.nih.gov/31151279/

Citri Reticulatae Pericarpium (Chenpi): Botany, Ethnopharmacology, Phytochemistry and Pharmacology of a Frequently Used Traditional Chinese Medicine
https://pubmed.ncbi.nlm.nih.gov/29628291/

Phytochemistry and Pharmacological Activities of Poria cocos
https://pubmed.ncbi.nlm.nih.gov/33071776/

Platycodon grandiflorum: A Review of Phytochemistry, Pharmacology, Toxicology and Traditional Use
https://pubmed.ncbi.nlm.nih.gov/36087526/

Pharmacology of Schisandra chinensis: An Overview of Russian Research and Uses in Medicine
https://pubmed.ncbi.nlm.nih.gov/18515024/