Ingredient Animal — part (动物部分 dòng wù bù fèn)

Lu Tai

Deer fetus · 鹿胎

Cervus nippon Temminck / Cervus elaphus Linnaeus · Fetus Cervi

Images shown are for educational purposes only

Deer placenta is a traditional tonic used primarily for reproductive and hormonal health. It warms the body's core vitality, nourishes Blood and Essence, and is most commonly used for menstrual irregularities, difficulty conceiving due to internal coldness, and general weakness from depleted constitutional reserves. It has a long history in Chinese medicine as a premium substance for women's health and anti-aging support.

TCM Properties

Temperature

Warm

Taste

Sweet (甘 gān), Salty (咸 xián)

Channels entered

Liver, Kidneys, Heart

Parts used

Animal — part (动物部分 dòng wù bù fèn)

Educational content Consult qualified TCM practitioners for diagnosis and treatment

What This Ingredient Does

Every ingredient has a specific set of actions — here's what Lu Tai does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Lu Tai is primarily used to support these areas of health:

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Lu Tai performs to restore balance in the body:

How these actions work

'Warms the Kidneys and tonifies Yang' means Lu Tai strengthens the warming, activating function of the Kidneys. In Chinese medicine, the Kidneys govern reproduction, growth, and vitality. When Kidney Yang is insufficient, a person may experience fatigue, cold extremities, low libido, weak and sore lower back and knees, and frequent pale urination. Lu Tai, being an animal-derived substance with a warm nature, directly replenishes this warming force.

'Nourishes Blood and generates Essence (Jing)' means Lu Tai replenishes both the blood and the body's deep constitutional reserves (Jing). Essence is the fundamental substance that governs reproduction, development, and aging. Because Lu Tai is a fetal tissue, it is classically understood to carry concentrated prenatal Essence, making it especially potent for restoring depleted reserves in conditions of chronic exhaustion, weakness, and reproductive insufficiency.

'Regulates menstruation and stops bleeding' refers to Lu Tai's ability to address irregular menstrual cycles caused by Blood deficiency or uterine coldness. When the uterus lacks adequate warmth and blood, periods can become irregular, scanty, delayed, or excessively heavy (flooding and spotting). By warming and nourishing from within, Lu Tai helps restore a normal menstrual cycle.

'Warms the uterus and promotes fertility' is one of Lu Tai's most well-known applications. A 'cold womb' (Gong Han) in TCM refers to conditions where inadequate warmth in the reproductive organs leads to difficulty conceiving, clear watery discharge, and lower abdominal coldness. Lu Tai addresses this by warming the Kidney and Chong-Ren channels that nourish the uterus.

Patterns Addressed

In TCM, symptoms cluster into recognizable patterns of disharmony. Lu Tai is used to help correct these specific patterns.

Why Lu Tai addresses this pattern

Lu Tai directly warms Kidney Yang with its sweet, salty, and warm nature. It enters the Kidney channel and replenishes both Yang and Essence (Jing), addressing the root of Kidney Yang Deficiency. Classical commentators noted that Lu Tai's fetal origin means it carries concentrated 'pure Yang that has not yet dispersed' (纯阳未散), making it an ideal warming tonic that restores Kidney fire without the harshness of intensely hot herbs like Fu Zi. This makes it well-suited for constitutional weakness of the lower body, reproductive decline, and chronic fatigue from depleted Kidney reserves.

A practitioner would look for one or more of these signs

Cold Extremities

Especially cold lower back, knees, and feet

Eye Fatigue

Chronic exhaustion and lack of vitality

Low Libido

Decreased sexual desire from Kidney Yang decline

Frequent Urination

Copious clear urination, especially at night

Sore

Weak and aching lumbar region and knees

Commonly Used For

These are conditions where Lu Tai is frequently used — but only when they arise from the specific patterns it addresses, not in all cases

Arises from: Kidney Yang Deficiency Uterine Cold

TCM Interpretation

In TCM, female infertility is most commonly traced to insufficiency of the Kidney system, which governs reproduction. The Kidneys store Essence (Jing) and provide the warmth and nourishment needed for the Chong (Penetrating) and Ren (Conception) vessels to function properly. These two extraordinary vessels directly regulate menstruation and fertility. When Kidney Yang is deficient, the uterus becomes 'cold' and unable to sustain a pregnancy. Blood deficiency may also be involved, as insufficient Blood means the uterine lining cannot properly nourish and hold an embryo.

Why Lu Tai Helps

Lu Tai is one of the most traditionally prized substances for fertility precisely because of its unique origin. As a fetal and placental tissue, it is understood in TCM to carry concentrated prenatal Essence, the very substance needed for reproduction. Its warm nature directly addresses uterine cold, while its sweet and salty tastes nourish Blood and Essence through the Kidney channel. Classical sources like the Sichuan Materia Medica (《四川中药志》) specifically recorded its ability to 'supplement the lower origin, regulate menstruation, and promote conception' (补下元, 调经种子). Unlike strongly hot herbs, Lu Tai warms gently, which the Ben Jing Feng Yuan (《本经逢原》) noted makes it suitable as a 'warm-supplementing' agent without the risk of damaging Yin.

Also commonly used for

Painful Menstruation

Menstrual cramps with cold sensation in the lower abdomen

Bleeding

Flooding and spotting (崩漏) from Qi and Blood deficiency

Thin Vaginal Discharge

Profuse clear watery leukorrhea from uterine cold

Eye Fatigue

Chronic exhaustion from Essence and Blood depletion

Low Libido

Reduced sexual desire from Kidney Yang insufficiency

Impotence

Erectile dysfunction from Kidney Yang deficiency

Sore

Chronic lumbar weakness from Kidney deficiency

Ingredient Properties

Every ingredient has an inherent temperature, taste, and affinity for specific channels — these properties determine how it interacts with the body

Temperature

Warm

Taste

Sweet (甘 gān), Salty (咸 xián)

Channels Entered

Liver Kidneys Heart

Parts Used

Animal — part (动物部分 dòng wù bù fèn)

Dosage & Preparation

These are general dosage guidelines for Lu Tai — always follow your practitioner's recommendation, as dosages vary based on the formula and your individual condition

Standard dosage

6–15g (as powder in pills or capsules)

Maximum dosage

Up to 15g daily as processed powder, divided into doses. Fresh deer fetus used in paste preparation follows different dosing (by the whole fetus). Do not exceed standard range without practitioner supervision.

Dosage notes

Lu Tai is rarely used in standard water decoctions. The traditional forms of administration are: - Lu Tai Fen (鹿胎粉): processed powder, typically 6–15g per day, taken in pill or capsule form. - Lu Tai Gao (鹿胎膏): deer placenta paste, commonly taken 10g per dose, twice daily, dissolved in warm rice wine (黄酒) or warm water with brown sugar. - Fresh deer fetus can be boiled down into a concentrated paste (膏). Lower doses (6–9g) are appropriate for general tonification of Kidney Yang and Blood. Higher doses (up to 15g) may be used for more severe deficiency patterns such as prolonged infertility from uterine Cold or severe Blood-Essence depletion. It is typically combined with other tonics such as Ren Shen, Huang Qi, Shu Di Huang, and Zi He Che for synergistic effect rather than used alone in large doses.

Preparation

Lu Tai is not used in standard water decoctions. The classical preparation method is to roast the dried deer fetus with butter (酥油) or sesame oil (麻油) on a smokeless fire until it turns yellow and crispy, then grind it into a fine powder (Lu Tai Fen). This powder is taken in pills or capsules. Fresh deer fetus can be boiled and concentrated into a paste (Lu Tai Gao), sometimes with brown sugar added. An alternative processing method involves soaking in rice wine for 2–3 days before roasting dry.

Processing Methods

In TCM, the same ingredient can be prepared in different ways to change its effects — here's how processing alters what Lu Tai does

Processing method

The dried deer placenta is cut into pieces, placed on a wire screen over a smokeless fire, roasted until hot, then repeatedly coated with butter (酥油) or sesame oil and roasted again until the pieces turn yellow, become crisp and brittle, then cooled and ground into powder.

How it changes properties

Processing with butter makes the herb easier to grind into fine powder for pill and capsule preparations. The thermal nature remains warm. The roasting process reduces the raw gamey odor and may enhance digestibility. The resulting powder (Lu Tai Fen) is the standard form used in clinical preparations.

When to use this form

This is the standard processed form used in virtually all pill and powder preparations. The raw fresh form is rarely used directly and is instead cooked into a paste (Lu Tai Gao) with other herbs.

Common Ingredient Pairs

These ingredients are traditionally combined with Lu Tai for enhanced therapeutic effect

Dang Gui
Dang Gui Lu Tai 10g : Dang Gui 10g (equal parts, or adjusted based on the degree of cold vs. Blood deficiency)

Lu Tai warms Kidney Yang and generates Essence while Dang Gui nourishes and invigorates Blood. Together they address both the root (Kidney-Essence deficiency) and the branch (Blood insufficiency) of reproductive disorders, providing comprehensive warmth and nourishment to the uterus.

When to use: For Blood deficiency with uterine cold causing irregular menstruation, scanty periods, or infertility. Also for chronic Blood and Essence depletion in both men and women.

Zi He Che
Zi He Che Lu Tai 10g : Zi He Che 10g (equal parts)

Both are animal-derived 'flesh and blood' (血肉有情) substances that powerfully replenish Essence and Blood. Lu Tai focuses on warming Kidney Yang and the uterus, while Zi He Che (human placenta) has a broader tonifying range covering Qi, Blood, and Essence. Together they provide an exceptionally strong Essence-restoring effect.

When to use: For severe Essence and Blood depletion with infertility, chronic wasting conditions (虚损劳瘵), or profound constitutional weakness.

Shu Di Huang
Shu Di Huang Lu Tai 10g : Shu Di Huang 15–20g

Shu Di Huang heavily nourishes Blood and Yin-Essence, while Lu Tai warms Kidney Yang and generates Essence. Together they address both the Yin and Yang aspects of Kidney Essence deficiency, ensuring that warming does not deplete Yin and that nourishing does not create stagnation.

When to use: For combined Kidney Yin and Yang deficiency with Blood insufficiency, manifesting as infertility, chronic low back pain, dizziness, and menstrual irregularity.

Tu Si Zi
Tu Si Zi Lu Tai 10g : Tu Si Zi 15g

Tu Si Zi (Dodder seed) tonifies Kidney Yang and secures Essence with a gentle, balanced warmth. Combined with Lu Tai, the pair reinforces Kidney Yang and Essence from two complementary directions: Lu Tai as a rich animal tonic and Tu Si Zi as a mild, versatile plant-based Kidney tonic. The combination strongly supports reproductive function.

When to use: For Kidney Yang deficiency with impotence, spermatorrhea in men, or infertility and threatened miscarriage in women.

Comparable Ingredients

These ingredients have overlapping uses — here's how to tell them apart

Zi He Che
Lu Tai vs Zi He Che

Both are animal placental/fetal substances that powerfully tonify Essence and Blood. Zi He Che (human placenta) is broader in scope, tonifying Qi, Blood, Yin, and Yang together, and enters the Lung, Liver, and Kidney channels. Lu Tai is more specifically warming and focused on Kidney Yang and the uterus, making it more targeted for gynecological conditions like uterine cold and infertility. Zi He Che is preferred for general wasting and Lung deficiency conditions.

Lu Rong
Lu Tai vs Lu Rong

Both are deer-derived Yang tonics that warm the Kidneys and supplement Essence. Lu Rong (deer antler velvet) is stronger at tonifying the Du (Governing) vessel, strengthening sinews and bones, and addressing developmental delays in children. Lu Tai is more specialized for reproductive conditions, particularly female infertility, menstrual irregularities, and uterine cold. Lu Rong also enters the Liver and Kidney channels but has a stronger ascending and outward-moving quality.

Lu Jiao
Lu Tai vs Lu Jiao

Lu Jiao Jiao (deer antler glue) is sweet, salty, and warm, entering Kidney and Liver. It tonifies Kidney Essence and nourishes Blood, with additional ability to stop bleeding. Compared to Lu Tai, Lu Jiao Jiao is milder as a Yang tonic and stronger as a Blood nourisher and hemostatic. Lu Tai is preferred specifically for uterine cold and infertility, while Lu Jiao Jiao is more commonly used for uterine bleeding, Blood deficiency, and joint pain.

Common Substitutes & Adulterants

Related species and common adulterations to be aware of when sourcing Lu Tai

Lu Tai is subject to several forms of adulteration and substitution: 1. Elk/Mi deer fetus (麋胎): The most historically documented substitution. Zhang Lu in the Ben Jing Feng Yuan warned that Mi Tai has a darker color and fatter form, and that it can actually harm primal Yang rather than tonify it. 2. Musk deer fetus (獐胎): Similar in appearance to deer fetus but distinguishable by its brighter white color and by the lower lip not being longer than the upper lip (in deer, the lower lip extends beyond the upper). 3. Other animal tissues (pig, cow, sheep): Modern adulteration commonly involves substituting cheaper animal fetuses or organs. DNA barcoding studies have confirmed widespread adulteration of deer products with non-deer animal tissues in the Chinese market. 4. Only Sika deer (Cervus nippon) and Red deer (Cervus elaphus) from registered farms are legally permitted for medicinal use in China. Wild deer products and products from other deer species are prohibited.

Educational content — always consult a qualified healthcare provider or TCM practitioner before using any ingredient.

Toxicity Classification

Classical Chinese pharmacopoeia toxicity rating for Lu Tai

Non-toxic

Both the Ben Jing Feng Yuan and the Sichuan Materia Medica classify Lu Tai as non-toxic (无毒). It contains amino acids, vitamins, progesterone, estrone sulfate, and other bioactive compounds. There are no well-documented toxic components. The main safety concern is not toxicity per se but rather its hormonal content (estrone, estradiol) and warming nature, which make it inappropriate for people with heat conditions or hormone-sensitive conditions. Proper processing (roasting with butter until yellow and crispy) is the traditional method to make it suitable for medicinal use.

Contraindications

Situations where Lu Tai should not be used or requires extra caution

Caution

Phlegm-Heat in the upper body or Stomach Fire. The Sichuan Materia Medica (四川中药志) specifically warns against use when there is phlegm-heat in the upper Jiao or fire in the Stomach, as this warming, tonifying substance would aggravate heat conditions.

Caution

Yin deficiency with vigorous Fire. Lu Tai is warm in nature and tonifies Yang. Using it in someone with strong Yin deficiency heat signs (night sweats, hot flashes from true heat, red tongue with no coating) without balancing Yin-nourishing herbs can worsen the heat.

Avoid

Pregnancy. Lu Tai preparations (especially Lu Tai Gao) commonly contain blood-moving ingredients such as Hong Hua (safflower) and Yi Mu Cao (motherwort). Even as a single substance, its hormone-like activity makes it inappropriate during pregnancy.

Caution

Excessive menstrual bleeding from heat in the Blood. While Lu Tai treats deficiency-cold type bleeding, using it in cases where heavy menstrual flow is caused by Blood-Heat would be counterproductive.

Caution

Active infection or external pathogenic invasion (common cold, flu). Tonifying substances should generally be avoided during acute external conditions, as they can trap the pathogen inside the body.

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

Contraindicated during pregnancy. Lu Tai contains endogenous hormones including estrone sulfate and progesterone that could disrupt the hormonal balance required for normal pregnancy. Additionally, Lu Tai Gao (the paste form most commonly used) typically includes blood-moving herbs like Hong Hua (safflower) and Yi Mu Cao (motherwort) that carry risk of uterine stimulation. Animal studies have shown that deer fetus extracts can affect uterine smooth muscle contractility, potentially posing a risk to the fetus.

Breastfeeding

Use with caution during breastfeeding. Lu Tai contains hormonal compounds including estrone and estradiol which could theoretically transfer into breast milk and affect the nursing infant's endocrine development. While there are no specific clinical studies on Lu Tai and breastfeeding, the presence of exogenous reproductive hormones warrants caution. Consult a qualified practitioner before use during lactation.

Children

Not recommended for children. Lu Tai is a potent Yang and reproductive tonic containing hormonal compounds (estrone, estradiol, progesterone) that are inappropriate for pediatric use due to potential effects on developing endocrine and reproductive systems. Classical texts uniformly describe it as a remedy for adult conditions related to reproductive deficiency, and there is no traditional precedent for pediatric use.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Lu Tai

Hormone replacement therapy and oral contraceptives: Lu Tai contains endogenous reproductive hormones including estrone sulfate and estradiol. Concurrent use with exogenous hormone medications could produce additive estrogenic effects, potentially disrupting hormonal balance or increasing risk of hormone-related side effects.

Anticoagulant and antiplatelet medications: Some Lu Tai Gao formulations contain blood-moving herbs (Hong Hua, Chuan Xiong, Tao Ren). If using such compound preparations alongside warfarin, aspirin, or other anticoagulants, there is a theoretical risk of enhanced bleeding.

Medications for hormone-sensitive conditions: Patients taking tamoxifen, aromatase inhibitors, or other medications for estrogen-receptor-positive cancers should avoid Lu Tai due to its estrogenic content, which could counteract the therapeutic intent of these drugs.

Dietary Advice

Foods and dietary considerations when taking Lu Tai

Avoid cold, raw, and chilled foods while taking Lu Tai, as these counteract its warming properties and hinder absorption. Avoid drinking strong tea, which can interfere with the tonifying effect. Avoid eating radish (luobo), which is traditionally considered to reduce the potency of tonic medicines. Warm foods that support Kidney Yang and Blood are beneficial, such as lamb, ginger tea, walnuts, and black sesame. Taking Lu Tai with warm rice wine (黄酒) or warm brown sugar water is traditionally recommended to enhance its warming and blood-nourishing effects.

Botanical Description

Physical characteristics and morphology of the Lu Tai source animal

Lu Tai (鹿胎) is not a plant-based herb but an animal-derived medicinal substance. It consists of the fetus and placenta of the Sika deer (Cervus nippon Temminck) or the Red deer (Cervus elaphus Linnaeus), both belonging to the family Cervidae. The Sika deer is a medium-sized deer standing about 70–95 cm at the shoulder, with a reddish-brown coat marked by rows of white spots along the back. The Red deer is larger, standing up to 120–150 cm, with a darker, more uniform brown coat in adulthood.

Both species are now primarily raised on deer farms rather than hunted in the wild. The fetus is obtained from pregnant does during the middle to late stages of gestation. After extraction, the fetal deer and placenta are cleaned of residual flesh and fat, then either oven-dried, alcohol-soaked, or roasted until thoroughly dry. The dried product may then be further processed with butter (酥油) into a crispy yellow powder (Lu Tai Fen), or boiled, ground, and simmered with brown sugar to produce Lu Tai Gao (Deer Placenta Paste).

Sourcing & Harvesting

Where Lu Tai is sourced, when it's harvested or collected, and how to assess quality

Harvesting season

Year-round from farmed deer, typically obtained from does during mid to late pregnancy. There is no specific seasonal restriction as with plant medicines.

Primary growing regions

Lu Tai is primarily sourced from deer farms in northeastern China, which is the traditional and highest-quality producing region. The key provinces are: - Jilin Province: the most important and largest deer farming area in China, particularly for Sika deer (梅花鹿). Jilin's Changbai Mountain region is considered the premier source (道地药材). - Heilongjiang Province: another major northeastern production center. - Liaoning Province and Hebei Province: additional significant sources. - Qinghai and Gansu Provinces: important sources for Red deer (马鹿) products. - Yunnan Province: produces some deer fetus from local deer species. - Xinjiang (Ili region): another source area for Red deer products. Sichuan Province historically produced deer fetus from different species including water deer (水鹿), white-lipped deer (白唇鹿), and white deer (白鹿), though these are now restricted.

Quality indicators

Authentic dried Lu Tai (Sika deer fetus) is bent and curled, with a relatively large head, pointed snout, lower lip longer than upper lip, slender limbs with two small hooves, and a short tail. The back fur should show small white spots (characteristic of Sika deer). When fresh, the color is pale; after drying, it turns brownish-red. The texture should be hard and difficult to break. The smell is slightly fishy and the taste is faintly salty. The best quality specimens are young (smaller, earlier gestational stage), hairless or with minimal hair, have a complete and intact fetal membrane (placenta), and have no strong unpleasant odor. Red deer (Ma Lu) fetus is similar but larger, with smaller eye sockets and longer neck and limbs. Processed Lu Tai powder (Lu Tai Fen) should be a brownish-red powder with a faint fishy smell.

Classical Texts

Key passages from the classical Chinese medical texts that describe Lu Tai and its therapeutic uses

Ben Cao Xin Bian (《本草新编》, New Compilation of Materia Medica)

「健脾生精,兴阳补火。」

"[Lu Tai] strengthens the Spleen, generates Essence, invigorates Yang, and supplements Fire."

Ben Jing Feng Yuan (《本经逢原》, Encountering the Source of the Classic of Materia Medica) by Zhang Lu

「鹿性补阳益精,男子真元不足者宜之……其胎纯阳未散,宜为补养天真,滋益少火之良剂。然须参、芪、河车辈佐之,尤为得力。如平素虚寒、下元不足者,入六味丸中为温补精血之要药,而无桂、附辛热伤阴之患。」

"The deer's nature supplements Yang and benefits Essence; it is suitable for men whose true fundamental Qi is insufficient... The fetus retains pure, undispersed Yang and is an excellent remedy for nourishing innate vitality and gently supporting the ministerial fire. However, it should be assisted by Ren Shen, Huang Qi, Zi He Che and the like for best effect. For those who are habitually cold with lower-body deficiency, it may be added to Liu Wei Wan [Six-Ingredient Pill] as an essential medicine for warming and supplementing Essence and Blood, without the drawback of Gui Zhi or Fu Zi's harsh heat damaging Yin."

Sichuan Materia Medica (《四川中药志》)

「能补下元,调经种子。治血虚精亏及崩带。」

"[Lu Tai] can supplement the lower origin, regulate menstruation, and promote fertility. It treats Blood deficiency, Essence depletion, uterine flooding, and vaginal discharge."

Qinghai Medicinal Materials (《青海药材》)

「治妇女月经不调,血虚、血寒,久不生育。」

"Treats women's menstrual irregularity, Blood deficiency, Blood-Cold, and prolonged infertility."

Historical Context

The history and evolution of Lu Tai's use in Chinese medicine over the centuries

Lu Tai first appeared in the medical literature in the Ben Cao Xin Bian (《本草新编》, New Compilation of Materia Medica) by Chen Shiduo of the Qing Dynasty. It was subsequently discussed in detail by Zhang Lu in the Ben Jing Feng Yuan (《本经逢原》), where he provided the first systematic description of how to identify an authentic deer fetus and distinguish it from inferior substitutes such as the Elk fetus (麋胎) or Musk deer fetus (獐胎). Zhang Lu specifically warned that using Elk fetus by mistake could actually "damage the primal Yang" rather than tonify it.

The name "Lu Tai" (鹿胎) literally means "deer fetus" or "deer embryo." There is a classical saying: "皇帝猎鹿喝鹿血,皇后寻鹿吃鹿胎" (The Emperor hunts deer to drink deer blood; the Empress seeks deer to eat deer fetus), reflecting its long-standing reputation as a premium tonic for women's reproductive health. The Ben Cao Gang Mu Shi Yi (《本草纲目拾遗》, Supplement to the Compendium of Materia Medica) by Zhao Xuemin also included a discussion of Lu Tai, drawing on Zhang Lu's earlier work to fill the gap left by Li Shizhen's Ben Cao Gang Mu, which had mentioned various deer parts but did not give Lu Tai its own dedicated entry.

Historically, Lu Tai has been considered a premier Yang-tonifying substance with a particular affinity for women's reproductive health, occupying a unique niche among deer-derived medicines: gentler than Lu Rong (deer antler velvet) and without the intense drying heat of Gui Zhi or Fu Zi. The classical formula Lu Tai Wan (鹿胎丸) from the Shen Shi Zun Sheng Shu (《沈氏尊生书》) exemplifies its traditional use for severe deficiency exhaustion.