Vietnamese Fo-Ti Root (Fallopia multiflora), also known as “He Shou Wu” or “the longevity herb” in Traditional Oriental Medicine, is one of Vietnam’s most highly prized medicinal herbs. It is not only a folk remedy but is also researched by modern science for its anti-aging properties and restorative health benefits.
Vietnamese Fo-Ti products stand out because they are harvested from high mountain regions and, crucially, undergo a strict traditional processing method to maximize their medicinal effects.
1. The “Miraculous” Effects of Processed Fo-Ti (Hà Thủ Ô Chế)
In Oriental Medicine, it is emphasized that Processed Fo-Ti (Hà Thủ Ô Chế) must be used for its nourishing effects. Using it raw (unprocessed) can lead to strong laxative effects and potential toxicity.
| Traditional Benefit | Modern Scientific Explanation |
| “Black Hair, Reddish Skin” | Helps nourish the blood, liver (Can), and kidney (Thận). Powerful antioxidants stimulate red blood cell production, nourishing hair roots, thus helping to blacken hair and reduce hair loss. |
| Nourishes Liver and Kidneys | Stilbene and Flavonoid compounds enhance blood circulation, support liver and kidney function, and alleviate back pain and weak knees caused by kidney deficiency. |
| Calms the Nerves, Improves Sleep | Contains Lecithin, which supports nervous system activity, helping to alleviate insomnia, nervous exhaustion, and headaches caused by blood deficiency or stress. |
| Anti-Aging & Immune Boosting | Rich in antioxidants, helping the body fight free radicals, slowing down cellular aging, while Polysaccharides enhance immunity. |
| Supports Sexual Function | Nourishes kidney essence (thận tinh), helping to improve sexual function in both men and women due to weakness or anemia. |
2. The Secret of Processing: “Nine Steamings, Nine Sun-Dryings” (Cửu Chưng Cửu Sái)
The value and safety of Vietnamese Fo-Ti Root in the traditional process known as “Cửu Chưng Cửu Sái” (Nine Steamings, Nine Sun-Dryings).
- Initial Preparation: Fresh Fo-Ti roots are washed, sliced, and then soaked in rice water to remove some of the bitter Tannins, reducing intestinal irritation.
- Nine Steamings (Chưng): The Fo-Ti is steamed with Black Soybean (Đỗ Đen Xanh Lòng) (a crucial guiding herb) for many hours. This process thoroughly cooks the herb, transforming its active compounds into more beneficial forms.
- Nine Sun-Dryings (Sái): After each steaming, the herb is spread out to dry completely in the sun or under the dew.
Significance: This elaborate process eliminates the toxicity and excessive laxative properties of Raw Fo-Ti, transforming complex compounds into more easily absorbed nutrients, maximizing its benefits for nourishing the blood, liver, and kidneys.
3. Vietnamese Fo-Ti Products
Once the Fo-Ti has undergone the “Nine Steamings, Nine Sun-Dryings” process, it is utilized in various convenient forms:
- Ready-to-Use Dried Slices: Used for steeping as a daily tea, or decocted with other herbs.
- Fo-Ti Powder: Easily mixed with warm water, honey, or milk for consumption.
- Fo-Ti Pills/Extract (Cao): Convenient preparations often combined with Honey and Black Sesame to enhance hair darkening and nourishing effects.
4. Important Usage Notes
- Must Use PROCESSED Fo-Ti: Never use fresh or poorly processed Fo-Ti, as it can cause diarrhea, digestive upset, and potentially harm the liver.
- Consistency is Key: Hair darkening and tonic effects take time. Continuous and persistent use for $3-6$ months is recommended to see noticeable results.
- Consultation: Individuals with pre-existing digestive issues, phlegm-dampness conditions, or pregnant women should consult a Traditional Oriental Medicine specialist or doctor before use.
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