Medicina China HoyTraditional Chinese Medicine
Medicinal herb · Qi Tonifying

Huáng Qí · Astragalus Root

Huáng Qí (黄芪, Astragalus Root) is a herb of Warm nature and Sweet flavor, in the “Qi Tonifying” category. Tradition uses it to tonify Spleen and Lung Qi, Raise Yang Qi, Stabilize Exterior.

黄芪 · Huáng QíUpdated on

Energetic profile

Pinyin name
Huáng Qí
Characters
黄芪
Botanical name
Astragalus membranaceus (Fisch.) Bunge
Family
Fabaceae
Part used
Root
Nature
Warm
Flavor
Sweet
Meridians
Lung, Spleen
Category
Qi Tonifying
Toxicity
Non-toxic
Pregnancy
No contraindication described (always consult)
Origin
China, Mongolia

Actions according to tradition

  • Tonify Spleen and Lung Qi
  • Raise Yang Qi
  • Stabilize Exterior
  • Promote Urination

Traditional uses

  • Spleen and Lung Qi deficiency
  • Spontaneous sweating from Wei Qi deficiency
  • Prolapse of organs
  • Chronic non-healing sores
  • Edema and difficult urination

Studied effects and current applications

  • Strengthens immune system
  • Increases energy and vitality
  • Promotes wound healing
  • Reduces edema and water retention
  • Protects liver function
  • Anti-aging properties

Applications under investigation

  • Recurrent infections and colds
  • Chronic fatigue
  • Autoimmune conditions
  • Cancer support therapy
  • Heart failure
  • Kidney disease

An effect being investigated does not mean it has been proven in humans.

Contraindications and adverse effects

Absolute contraindications

  • Acute infections (may worsen by strengthening pathogen)
  • Auto-immune diseases (use with medical supervision)
  • Fever

Relative contraindications

  • Organ transplant recipients (immunosuppressants)
  • Yin deficiency with heat signs
Pregnancy
Generally considered safe. Often used for pregnancy support.
Breastfeeding
Safe to use during breastfeeding.
Children
Commonly used in children for immune support.
Older adults
Generally safe and beneficial

Possible adverse effects

  • Rare: mild gastrointestinal discomfort
  • Rare: allergic reactions

When to stop

  • During acute infection with fever
  • If signs of excess appear

Interactions with medications

GroupDrugsSeverityEffect and recommendation
ImmunosuppressantsCyclosporine, Tacrolimus, AzathioprineSevereMay counteract immunosuppressive effects Avoid in organ transplant patients
LithiumLithiumModerateMay affect lithium elimination (diuretic effect) Monitor lithium levels

With other herbs

  • ginseng Synergistic Qi tonifying effects

Reference dose

Decoction
9-30 grams daily
Powder
2-6 grams daily
Extract
250-500 mg standardized extract 2-3 times daily
Tincture
2-4 ml (1:5) 3 times daily
Acute use
1-2 weeks
Chronic use
1-3 months
Maximum
Long-term use generally safe with breaks
Children
Safe for children. Commonly used for immune support.

Forms of preparation

Decoction

Simmer 9-30g in 4 cups water for 30-45 min. Drink throughout day.

Traditional preparation, full benefits

Soup

Add 9-15g to soups or stews. Cook for 1-2 hours.

Culinary use, family meals

Powder

Mix 2-6g powder in water, smoothies, or oatmeal.

Convenience

Approximate doses from the literature; they are not a prescription. Consult a professional.

Active compounds

Astragalosides (cycloarthane saponins) and polysaccharides

Astragaloside IV

Cycloarthanic saponin · Immunomodulator, telomerase activator (TAT2), cardioprotective

Activation of the telomerase TERT enzyme, NF-κB modulation · 0.02-0.05% in dry root

Cycloastragenol

Triterpene aglycone · Telomerase activator, cellular anti-aging

Telomere elongation, reduction of cellular senescence · Traces; hydrolysis product of astragaloside IV

Astragalus polysaccharides (APS)

Heterogeneous polysaccharides · Immunostimulant, antitumor, antidiabetic

Macrophage and dendritic cell activation, TLR4 regulation · 20-40% in aqueous extract

Calycosin and formononetin

Isoflavones (flavonoids) · Phytoestrogen, cardioprotective, anti-inflammatory

Binding to estrogen receptors β, NF-κB inhibition · 0.02-0.08%

Astragalins (kaempferol-3-glucoside)

Flavonol glucoside · Antioxidant, anti-inflammatory, antiapoptotic

Scavenging of free radicals, caspase inhibition · Traces

Harvesting and processing

Harvest
Autumn (October-November) or spring, 3-4 year old plants

Roots collected in autumn when the plant goes dormant, or in spring before sprouting. Older roots (3-4 years) have a higher concentration of polysaccharides.

Raw (生黄芪 Shēng Huáng Qí)

Root cleaned, cut into diagonal slices and dried in the sun. Most commonly used form in clinic.

Honey-fried (炙黄芪 Zhì Huáng Qí)

Slices mixed with diluted honey (proportion 4:1 honey:water) and fried over medium heat until they don't stick. Honey enhances the toning action on the Spleen.

Formulas it appears in

Health notice. Educational and study content. It describes concepts of Traditional Chinese Medicine and does not replace diagnosis or treatment by a healthcare professional. Needling, medicinal herbs and invasive techniques must be applied by trained professionals. Safety guide.