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Fresh Yam, Glehnia, Polygonatum and Wild Duck Soup

Traditionally used to nourish yin, moisten dryness, and support the skin

In short: Fresh Yam, Glehnia, Polygonatum and Wild Duck Soup is a soup that Traditionally used to nourish yin, moisten dryness, and support the skin. It is most often made for respiratory & lung wellness, cooling & summer heat, skin & natural beauty. Total time about 1 hr 50 min. Key ingredients: glehnia root, solomon's seal, chinese yam, goji berries.

By · Published under our editorial policy · Research library

Prep
20 min
Cook
1 hr 30 min
Total
1 hr 50 min
Makes
1.2 to 1.5 L
Respiratory & Lung WellnessCooling & Summer HeatSkin & Natural BeautyEveryday Balance
Fresh Yam, Glehnia, Polygonatum and Wild Duck Soup

Why people make this soup

Dry autumn and winter weather can leave skin parched and cracked — hard on older adults and on anyone with long-standing skin issues. Nourilo’s answer is to simmer more yin-nourishing, moistening soups. Here he uses unsulfured glehnia and Solomon’s seal — glehnia is traditionally associated with nourishing lung-yin and generating fluids, Solomon’s seal with moistening lung-dryness — then adds fresh yam, goji, a little Jinhua ham, and wild duck. The result is clear, savory, and a genuinely lovely soup for thirsty skin.

What studies say about the key ingredients

Traditional use is not the same as clinical proof. Here is the strongest human research we found for each ingredient, limitations included.

  • Goji berries · Meta-analysis, 161 participants · 2012
    Compared with placebo (n=80), the goji juice group (n=81) reported greater improvements in several self-rated symptoms, including stress, mental acuity, sleep quality and overall well-being, under a random effects model.Limitation: Outcomes were self-reported symptom questionnaires, and several symptoms showed significant heterogeneity across the four pooled trials of a single branded juice.PubMed 22897500 · 3 more goji berries studies

From the Nourilo Research Library. Findings come from specific doses, extracts and populations and may not apply to a home-cooked recipe.

Safety first — read before you cook

This is a traditional food, not a treatment. Please check with your doctor or pharmacist before making it a regular part of your diet if you:

  • are pregnant or breastfeeding, or are cooking for a young child;
  • take regular medicines — especially blood thinners, blood-pressure, diabetes or immune-suppressing drugs;
  • have a kidney, liver or heart condition, or a known food allergy.

Ingredient notes for this recipe

  • Goji berries: A few cases of raised INR (a bleeding-risk marker) have been reported in people taking warfarin after drinking concentrated goji tea or wine. If you take a blood thinner, check with your doctor. Source: Memorial Sloan Kettering — Lycium

Stop eating it and seek advice if you notice an allergic reaction or feel unwell. Safety notes reviewed 8 October 2026 · How we write safety notes

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