Rehmannia
Yin TonicCool

Rehmannia

di huang · di huang

Rehmannia glutinosa Libosch.

Summary

A root that nourishes Kidney and Liver Yin, clears heat, and builds Blood.

TCM Properties

Botanical NameRehmannia glutinosa Libosch.
CategoryYin Tonic
TemperatureCool
TasteSweet, bitter
Channels EnteredHeart, Liver, Kidney

What This Herb Does

Sleep SupportDry Skin ReliefHeat Relief

Nourishes Kidney and Liver Yin

In Chinese medicine, this action relates to the herb Rehmannia and its cool nature with affinity for the Heart, Liver, Kidney channels. Nourishes Kidney and Liver Yin means this herb may help regulate functions associated with these organ systems. The sweet, bitter taste contributes to this effect by directing the herb influence in specific ways according to TCM pharmacology principles developed over thousands of years of clinical observation.

Clears deficiency heat

In Chinese medicine, this action relates to the herb Rehmannia and its cool nature with affinity for the Heart, Liver, Kidney channels. Clears deficiency heat means this herb may help regulate functions associated with these organ systems. The sweet, bitter taste contributes to this effect by directing the herb influence in specific ways according to TCM pharmacology principles developed over thousands of years of clinical observation.

Builds Blood

In Chinese medicine, this action relates to the herb Rehmannia and its cool nature with affinity for the Heart, Liver, Kidney channels. Builds Blood means this herb may help regulate functions associated with these organ systems. The sweet, bitter taste contributes to this effect by directing the herb influence in specific ways according to TCM pharmacology principles developed over thousands of years of clinical observation.

May help with hot flashes and night sweats

In Chinese medicine, this action relates to the herb Rehmannia and its cool nature with affinity for the Heart, Liver, Kidney channels. May help with hot flashes and night sweats means this herb may help regulate functions associated with these organ systems. The sweet, bitter taste contributes to this effect by directing the herb influence in specific ways according to TCM pharmacology principles developed over thousands of years of clinical observation.

Commonly Used For

Yin Deficient types with heat signs

TCM Interpretation: In TCM theory, Rehmannia addresses imbalances in the Heart, Liver, Kidney by leveraging its cool and sweet, bitter properties. This herb may help restore balance to the organ systems involved. Chinese medicine views the body as an interconnected system, so supporting one channel often benefits related organs.

Why Rehmannia Helps: Rehmannia enters the Heart, Liver, Kidney channels. Its cool temperature and sweet, bitter taste make it suited for patterns where these organs need support. The herb works gradually to restore functional balance rather than forcing immediate change. Consistent use over weeks allows the body to adjust naturally.

Which Body Types Benefit Most

Not sure which type you are? Take the free 5-minute quiz.

How to Use

Usually used in herbal formulas. Prepared rehmannia can be added to soups.

Dosage: 10-15g prepared, in soups or formulas.

Preparation Notes: Rehmannia is cool in nature, making it balanced for most constitutions. For tea, steep 5-10 minutes. For soup, simmer 30-60 minutes. Store in an airtight container in a cool, dry place for up to 12 months.

Dietary Advice

When taking Rehmannia, avoid very spicy foods that compound its cooling effect. Warm, cooked meals are preferred. If you experience loose stools or chilliness, reduce the dose or add warming foods like ginger tea. Do not take on an empty stomach to avoid digestive discomfort.

Food Pairings

black sesame
goji berries
mung beans
pear

Cautions

  • Avoid if you have dampness or bloating
  • May cause loose stools
  • Not suitable for Yang Deficient types
  • Consult a practitioner for proper use

Frequently Asked Questions

What is the difference between raw and prepared rehmannia?+
Raw rehmannia is cooling and clears heat. Prepared rehmannia is warmer and builds Blood and Yin. In Chinese medicine, herbs are selected based on your individual pattern rather than used universally. The effects depend on your body type, current symptoms, and constitution. Take our free body type quiz to understand which herbs may suit you best.
Is rehmannia good for menopause?+
In Chinese medicine, rehmannia nourishes Kidney Yin which declines during menopause. In Chinese medicine, herbs are selected based on your individual pattern rather than used universally. The effects depend on your body type, current symptoms, and constitution. Take our free body type quiz to understand which herbs may suit you best.
Can I cook with rehmannia at home?+
Prepared rehmannia can be added to soups. Raw rehmannia is usually used in formulas. In Chinese medicine, herbs are selected based on your individual pattern rather than used universally. The effects depend on your body type, current symptoms, and constitution. Take our free body type quiz to understand which herbs may suit you best.

Related Herbs

Related Herbs

Discover Your Eastern Type

Take our free 5-minute assessment to explore which body type best matches your current wellness patterns.

Take the Assessment

This article is for informational and educational purposes only and is not medical advice. Always consult a qualified healthcare professional before using any herb, especially if you are pregnant, nursing, or taking medication.

EastType
10 Foods Your Body Type Will Love
A Practical Chinese Medicine Guide
Chinese medicine identifies 9 body types. Each type has foods that suit it well. This guide covers 10 ingredients used in Chinese medicine traditions for centuries.
myeasterntype.com
1
Ginger
Also known as: Sheng Jiang (Chinese), Shoga (Japanese), Adrak (Hindi), Khing (Thai)

Ginger is the most widely used warming food in Chinese medicine. If your hands and feet tend to run cold, or if you feel heavy and slow after meals, ginger may be one of the simplest things you can add to your daily routine.

Who It Suits

Cold Sensitivity and Low Vitality body types (people who tend to run cold, feel fatigued, or have slow digestion).

What It May Help With
Warming the body from the inside
Supporting digestion after heavy or cold meals
Reducing that heavy, sluggish feeling after eating
How to Use
Slice 3 to 4 thin pieces of fresh ginger and steep in hot water for 5 minutes. Drink this in the morning, 20 minutes before breakfast.
Add grated ginger to soups, stews, and stir-fries.
Avoid ginger late at night if you tend to feel hot when trying to sleep.
Simple HabitReplace your first glass of cold water in the morning with a cup of warm ginger water. This single change can make a noticeable difference in how your digestion feels throughout the day.
2
Goji Berries
Also known as: Wolfberries, Gou Qi Zi (Chinese), Kuko no Mi (Japanese), Boxthorn Berries

Goji berries are small, sweet, red dried fruits that look similar to raisins but have a distinct tart-sweet flavor. In Chinese medicine, they are associated with eye health, liver support, and healthy aging.

Who It Suits

Internal Heat body types (people who tend to feel warm at night, have dry skin, or wake up between 1 AM and 3 AM). Also suitable for people concerned about eye strain from screens.

What It May Help With
Supporting eye comfort during long screen hours
Nourishing the body's cooling and moistening functions
Providing a gentle energy source without caffeine
How to Use
Eat a small handful (about 15 to 20 berries) as a snack.
Add to oatmeal, yogurt, or trail mix.
Steep in hot water with chrysanthemum flowers for a gentle tea.
Simple HabitKeep a small jar of goji berries at your desk. Eat 10 to 15 berries around 3 PM, when afternoon energy dips tend to hit. They provide a mild, steady energy without the crash that comes with sugar or caffeine.
3
Red Dates (Jujube)
Also known as: Chinese Dates, Hong Zao (Chinese), Natsume (Japanese), Injeol (Korean)

Red dates are dried jujube fruits, not related to the Middle Eastern dates you find in most Western supermarkets. They are sweet, slightly chewy, and have been used in Chinese medicine for thousands of years to support calm sleep and steady energy.

Who It Suits

Low Vitality and Stuck Energy body types (people who feel chronically tired, anxious, or have trouble falling asleep).

What It May Help With
Supporting calm and restful sleep
Providing a gentle, steady source of energy
Settling an anxious or overactive mind
How to Use
Simmer 5 to 6 pitted red dates in water for 15 minutes. Drink the liquid as tea before bed.
Add to rice porridge (congee) for a nourishing breakfast.
Eat 2 to 3 dates as an afternoon snack.
Simple HabitBrew a small pot of red date tea in the evening. Let it steep while you wind down, and drink it 30 minutes before bed. Many people notice calmer, more settled sleep within the first week.
4
Black Sesame Seeds
Also known as: Hei Zhi Ma (Chinese), Kuro Goma (Japanese), Gingili (Indian)

Black sesame seeds look like tiny dark pearls and have a rich, nutty, slightly smoky flavor. In Chinese medicine, their dark color connects them to the body's deepest energy reserves. They are associated with healthy hair, skin, and the body's foundational vitality.

Who It Suits

Internal Heat and Blood Stasis body types (people concerned about hair thinning, dry skin, premature aging, or dark circles under the eyes).

What It May Help With
Supporting hair strength and skin moisture
Nourishing the body's deepest energy reserves
Providing healthy fats and minerals
How to Use
Grind 2 tablespoons of black sesame seeds and mix with a small amount of honey. Eat one spoonful each morning.
Sprinkle on rice, noodles, salads, or avocado toast.
Use black sesame paste (similar to tahini but made from black sesame) as a spread on toast.
Simple HabitBuy a small bag of pre-roasted black sesame seeds. Keep it next to your salt shaker. Sprinkle on everything savory. This is one of the easiest ingredients to integrate into Western meals.
5
Mung Beans
Also known as: Lu Dou (Chinese), Ryokuto (Japanese), Moong Dal (Hindi), Green Gram (English)

Mung beans are small, green legumes that cook quickly and have a mild, slightly sweet flavor. In Chinese medicine, they are considered one of the most cooling foods available. They are traditionally eaten during hot summer months to help the body manage internal heat.

Who It Suits

Damp Heat body types (people who tend to feel hot and sticky, have oily skin, breakouts, or acid reflux). Also suitable for anyone during hot weather.

What It May Help With
Supporting the body's natural cooling processes
Helping the body process and eliminate excess fluids
Soothing skin inflammation from the inside
How to Use
Simmer 1 cup of mung beans in 4 cups of water for 30 minutes until soft. Add a little rock sugar for a simple sweet soup.
Sprout mung beans at home for fresh, crunchy bean sprouts (takes 2 to 3 days in a jar).
Cook mung bean soup once a week during summer months.
Simple HabitDuring hot weather, replace one meal per week with a simple bowl of mung bean soup. It is light, cooling, and easy to digest. People who tend to break out in summer often notice their skin calms down within 2 to 3 weeks of eating mung beans regularly.
6
Walnuts
Also known as: He Tao (Chinese), Kurumi (Japanese), Akhrot (Hindi), Nuez (Spanish)

Walnuts look like tiny brains, and in Chinese medicine, this visual resemblance is taken seriously. Walnuts are associated with brain function, memory, and the body's deepest warmth reserves. They are also one of the most accessible ingredients on this list.

Who It Suits

Cold Sensitivity and Internal Heat body types concerned about memory, focus, or lower back discomfort. Also suitable for older adults.

What It May Help With
Supporting memory and mental clarity
Warming and strengthening the lower back and knees
Providing omega-3 fatty acids
How to Use
Eat 5 to 8 walnuts per day as a snack. Chew thoroughly.
Add chopped walnuts to oatmeal or yogurt.
Simmer walnuts in porridge with red dates for a nourishing breakfast.
Simple HabitKeep a small container of walnuts where you work. Eat 5 pieces at 10 AM and 5 pieces at 3 PM. The steady supply of healthy fats supports focus and sustained energy without the spike-and-crash of sugary snacks.
7
Chinese Yam
Also known as: Shan Yao (Chinese), Nagaimo (Japanese), Ma (Korean), Mexican Yam

Chinese yam is a long, cylindrical root with a pale interior. When raw, it feels slippery and slightly sticky when cut. When cooked, it becomes tender and mildly sweet. In Chinese medicine, it is one of the most recommended foods for people with sensitive digestion.

Who It Suits

Heavy and Sluggish body types (people who bloat after meals, feel heavy and tired, or have irregular digestion). Also suitable for anyone recovering from illness.

What It May Help With
Strengthening digestive function over time
Supporting steady, consistent energy levels
Reducing bloating and heaviness after meals
How to Use
Peel, slice, and stir-fry with a little salt and sesame oil for a simple side dish.
Cut into chunks and add to soups or stews.
Slice thinly and steam for 15 minutes. Drizzle with a little honey.
Simple HabitIf you have a sensitive stomach that reacts to raw vegetables, try replacing raw salads with steamed Chinese yam twice a week. Its gentle, starchy nature gives your digestive system a break while still providing nutrients.
8
Chrysanthemum Flowers
Also known as: Ju Hua (Chinese), Kikka (Japanese), Gul-e-Daudi (Hindi)

Dried chrysanthemum flowers are brewed into a light, floral tea that has been consumed in East Asia for centuries. The tea is golden-colored, delicate in flavor, and naturally caffeine-free. In Chinese medicine, chrysanthemum is associated with cooling internal heat, especially in the head and eyes.

Who It Suits

Internal Heat and Stuck Energy body types (people who get headaches, eye strain, feel hot and irritable, or have trouble sleeping). Also ideal for office workers who stare at screens all day.

What It May Help With
Soothing tired, dry, or strained eyes
Cooling the head and reducing tension headaches
Supporting calm focus without caffeine
How to Use
Steep 8 to 10 dried chrysanthemum flowers in hot water for 5 minutes. Drink as is or add a few goji berries.
Drink in the afternoon instead of coffee or green tea.
Can be enjoyed cold in summer with a touch of honey.
Simple HabitReplace your afternoon coffee with chrysanthemum tea for one week. Many people notice their afternoon energy feels more stable and their eyes feel less strained by the end of the workday. You can find dried chrysanthemum flowers at most Asian grocery stores or online.
9
Longan
Also known as: Dragon's Eye, Gui Yuan (Chinese), Ryugan (Japanese), Lamyai (Thai)

Dried longan is a small, round, dark brown fruit that looks like a tiny pearl when shelled. It gets its English name, "Dragon's Eye," from the fresh fruit, which has a dark seed visible through the translucent white flesh. Dried longan is sweet, warm in nature, and has been used in Chinese medicine to support calm energy and restful sleep.

Who It Suits

Low Vitality body types (people who feel chronically tired, anxious, or have trouble sleeping due to an overactive mind).

What It May Help With
Supporting calm, settled energy during the day
Helping quiet an overactive mind at night
Providing a gentle, non-stimulating source of sweetness
How to Use
Simmer 10 to 15 dried longan in water for 10 minutes. Drink the tea before bed.
Add to rice porridge along with red dates for a nourishing breakfast.
Eat 5 to 6 pieces as a sweet snack.
Simple HabitIf you tend to snack on sweets in the evening, replace candy or chocolate with 8 to 10 dried longan pieces. They satisfy the sweet craving while supporting calm, restful sleep.
10
Lotus Seeds
Also known as: Lian Zi (Chinese), Hasu no Mi (Japanese), Bikh (Hindi)

Lotus seeds are small, ivory-colored seeds harvested from the seed pod of the lotus flower. They have a mild, slightly sweet, and slightly nutty flavor. In Chinese medicine, they are associated with calm, steady energy and clear thinking. They are one of the key ingredients in traditional East Asian desserts and savory dishes alike.

Who It Suits

Stuck Energy and Heavy and Sluggish body types (people who overthink, feel mentally scattered, or have trouble concentrating).

What It May Help With
Supporting mental calm and clear focus
Helping settle an overactive, racing mind
Supporting steady, even-keeled energy
How to Use
Soak dried lotus seeds overnight, then simmer in water for 30 minutes until tender. Add rock sugar for a simple sweet soup.
Add cooked lotus seeds to soups and stews.
Find canned lotus seeds at Asian grocery stores for convenience.
Simple HabitIf your mind races at night and prevents you from sleeping, try a small bowl of lotus seed soup as an evening snack. Its calming quality may help quiet mental chatter and support more settled sleep.
How to Start

You do not need to buy all 10 ingredients today. Here is a simple way to begin:

1Take the EastType quiz to learn your body type.
2Pick 2 ingredients from this guide that suit your type.
3Start with one habit from the "Simple Habit" section of each food.
4Give it 2 to 3 weeks. Notice how your body responds.
5Adjust from there. Chinese medicine is about consistent, small adjustments, not dramatic overhauls.
Where to Find These Ingredients
Asian grocery stores (look for H Mart, 99 Ranch, Mitsuwa, or local equivalents)
Online (Amazon, iHerb, Asian food specialty sites)
Health food stores (ginger, walnuts, and goji berries are widely available)
Regular supermarkets (ginger, walnuts, and mung beans are usually in stock)

Most of these ingredients cost between $3 and $10 and last for weeks or months. Chinese medicine eating does not need to be expensive.

A Final Note

This guide is for educational and wellness purposes only. It is not medical advice. If you have specific health concerns, food allergies, or are taking medication, consult a qualified healthcare provider before making dietary changes.

Individual responses to foods vary. The information in this guide reflects traditional Chinese medicine principles, which focus on patterns and tendencies rather than medical diagnoses.

Listen to your body. Start small. Be consistent. That is the Chinese medicine way.
Ready to Find Your Body Type?
Take the free 5-minute quiz and get personalized food suggestions tailored to your constitution.
myeasterntype.com