Solomon's seal
Polygonatum sibiricum · 黄精
Herbs & Roots. Chinese Medicine.
Also called Huang jing, Siberian Solomon's seal, Chinese Solomon's seal
Pinyin: Huáng Jīng
Spanish: Sello de Salomón
A knobby rhizome used in Chinese medicine as a tonic for energy, the lungs and kidneys. It is also eaten as a food in some regions.
Did you know? Its Chinese name, huang jing, means roughly yellow essence, a reference to its golden color and its reputation as a tonic.
What it may help, and how strong the proof is
- Blood sugar. Animal studies suggest blood sugar effects. Human trials are few.Traditional proof
- Energy & tiredness. Traditional tonic for tiredness. Mostly lab and animal evidence.Traditional proof
- Colds, flu & immunity. Lab studies suggest immune-related activity. No good human trials.Traditional proof
Parts of the body
Traditional use
Traditional Chinese Medicine uses huang jing to tonify Qi and nourish yin, supporting the Spleen, Lung and Kidney. It is often steamed and dried, then used as a food tonic after long illness.
How it is classified
How people take it
Eaten steamed as food or simmered in soups and tea. Traditional doses are often 9 to 15 g of dried rhizome. No human dose studies exist.
Food, decoction, tea, powder and capsule.
Where to get it
Grows in China, Korea and Japan. Sold as dried rhizome, slices, powder, tea and capsules. Several Polygonatum species are sold, so check the species on the label.
Be careful
Usually mild. Can cause stomach upset or bloating at high doses. Not well studied in pregnancy.
Avoid if: pregnancy.
Mixing with other things
- Works well together
Huang jing and mai dong are both used in tradition for dryness and yin support.
- Works well together
Huang jing and jujube are both common food tonics in Chinese soups and teas.
- Worth knowingDiabetes medicine (metformin, insulin, glipizide, Ozempic)
Animal studies suggest it may lower blood sugar. Monitor levels if you take diabetes medicine.
The honest take
Huang jing is eaten as a food tonic in parts of China and has little reported harm. Its claims for energy and blood sugar come from tradition, animal work and a few weak studies. Think of it as a gentle food, not a proven medicine.