If even one applies to you, Gongjindan may be the answer.
You don't feel refreshed even after sleep,
and your energy bottoms out by afternoon.
Kidney Qi (腎氣) deficiency is the root cause. Gongjindan replenishes vital energy so your mornings feel completely different.
After surgery or childbirth,
your stamina isn't what it used to be.
Major blood loss and exertion greatly deplete Qi-Blood (氣血). Gongjindan accelerates recovery.
You always seem to have a cold
or get sick every change of season.
Defensive Qi (衛氣) deficiency leaves you vulnerable to external pathogens. Gongjindan strengthens immune defenses.
Excessive work and stress
exhaust both body and mind.
Overwork depletes Liver-Kidney (肝腎). The deer antler and musk in Gongjindan reinforce Liver-Kidney to restore stamina and focus.
Not just a tonic — a formula that corrects the body's foundation.
If you're tired even after sleep and can't get through a day without coffee, this is not mere fatigue. Your Kidney Qi (腎氣) is depleted.
Heo Jun described Gongjindan as a medicine that gathers the Qi of heaven and earth to restore human vitality. There is a reason it has served as the royal tonic for 500 years.
Overwork, post-surgery recovery, weakened immunity — the energy depletion of modern life is bringing renewed scientific attention to Gongjindan's restorative effects.
Gongjindan prescriptions since opening
Survey after 4 weeks of use
Percentage of 2+ re-prescriptions
Since the Donguibogam record
The synergy of four herbs
Pantocrine in deer antler
promotes bone marrow hematopoiesis
and raises growth factors (IGF-1),
supporting cellular regeneration.
Muscone in musk
crosses the blood-brain barrier,
improves cerebral blood flow,
and activates the central nervous system.
Ligustilide
promotes blood formation
and improves peripheral circulation,
delivering Qi throughout the body.
Loganin and cornin
reinforce kidney function,
balance hormones,
and build the foundation of stamina.
Gongjindan's benefits have been validated in modern clinical research.
Improvement in fatigue in chronic-fatigue patients after Gongjindan treatment
Journal of Korean Medicine
Self-assessed improvement in memory and focus
J Ethnopharmacology
Rise in NK cell activity and immunoglobulin levels
Journal of Korean Medicine Rehabilitation
The Gongjindan (拱辰丹) group showed significantly greater fatigue reduction measured by VAS compared to placebo (p<0.01), along with improvement in liver function markers (AST, ALT) and increased antioxidant enzyme activity — clinically confirming Gongjindan's anti-fatigue effect.
Geum Maek's Gongjindan uses only 100% authentic musk certified by the Ministry of Food and Drug Safety, personally compounded by the Director.
Gongjindan gathers vitality
and nourishes human deficiency;
even old diseases
can be treated by it.
— Donguibogam (東醫寶鑑)
The original Donguibogam formula with natural musk. The presence of musk determines Gongjindan's efficacy.
Using only the highest-grade Russian antler's upper tip (bungol) to maximize efficacy.
A traditional preparation kneaded with honey and coated in gold leaf. Enhances absorption and minimizes stomach burden.
We use only natural musk certified by the Ministry of Food and Drug Safety with muscone content of 3% or higher. Musk, from the male musk deer's scent gland, has strong cardiac effects that circulate vital energy throughout the body — highly effective for fatigue and energy recovery.
We use the bungol (upper tip), the part with the strongest medicinal effect. Deer antler is a full-body tonic that strengthens immunity, boosts vitality, and reinforces bones and muscles.
Eco-grown Korean Ildang Quai. Dong Quai aids blood production and circulation, especially effective for women.
Top-quality Korean sansuyu. Sansuyu has nourishing and tonic effects that support kidney and liver function — especially effective for men.
Book your visit by phone or online.
We precisely diagnose your current condition,
deficient energy, and lifestyle.
We determine the herb composition
based on constitution, symptoms, and pulse diagnosis.
We guide the correct intake and lifestyle
management to maximize effectiveness.
A 1-month course (30 pills) is typically recommended as the basic cycle. For chronic fatigue or severe low immunity, 2–3 months of continuous use can bring fundamental constitution improvement.
Most people feel changes within 1–2 weeks, with 4–8 weeks of use recommended.
Effective for overwork, chronic fatigue, declining focus, and weakened immunity. Especially recommended for students, office workers, and recovery patients.
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Stories from those who experienced changes after taking Gongjindan.
처음에는 부모님 드릴 생각으로만 알아봤는데 상담하다 보니 저도 같이 챙기게 됐어요. 요즘 저도 기력이 예전 같지 않아서 괜찮겠다 싶더라고요. 둘 다 반응이 나쁘지 않아서 더 만족합니다. 부모님도 든든하다고 하시고 저도 아침이 덜 무거워서 결국 잘 고른 것 같아요. ^^
지인 추천으로 알게 됐는데
다른 지역이라 직접 방문이 어려웠어요
비대면 진료로 상담받고 공진단 택배로 받으니
거리 상관없이 좋은 한약 먹을 수 ...
수험생 자녀 둘 다 공진단 먹이는 중. 큰애는 작년부터 먹었는데 확실히 체력 관리에 도움 됐다고 함^^
3+ more real treatment cases
Learn more about Gongjindan.
An explanation of how Gongjindan works for students whose brain fatigue has accumulated from long study hours.
A comparison of the ingredients, primary effects, and target groups of Gongjindan and Gyeongokgo.
An overview of how Gongjindan supports students' focus and stamina, and the proper way to take it.
RESEARCH
Kim BH, Song YK, Lee HJ, et al.
Oh JH, Yang SB, Lee JS, et al.
Park DK, Kim TH, Woo JS, et al.
