Custom capsules maximize the effects of herbal medicine by adjusting the amount of herbal medicine according to the individual's constitution and physical condition, and are made into capsules that are easy to consume, making them easy to store and carry.

K-TONIC "Replenish Energy" has been clinically proven to be a health tonic with powerful efficacy, and is often prescribed for the purposes of anti-aging and disease prevention, chronic fatigue relief, immunity enhancement, improvement of congenital weak constitution, and recovery of energy after surgery. It also has the effect of relieving stress and clearing the mind, so it is also effective for students taking exams, patients with stress-related diseases, and dementia patients.

K-TONIC "Replenish Energy" a capsule version of Gongjin-dan pill

Several studies scientifically prove the effectiveness of Gongjin-dan as following

• Significantly ameliorated alterations in oxdative stress-related biomarkers

https://www.sciencedirect.com/science/article/abs/pii/S0378874115002421

• Anti-amnesic effects of GJD

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0159823

• Can effectively treat chronic mental and social fatigue

https://www.sciencedirect.com/science/article/pii/S2213422024000052

• Has anti-fatigue properties, especially under sleep deprivation

https://link.springer.com/article/10.1186/s13063-016-1542-7

K-TONIC "Throat and Voice" is for hoarseness or difficulty speaking. It is a disease of the lung meridian. Real symptoms are sudden diseases caused by blockage of evil energy and stagnation of energy. Deficiency symptoms are chronic diseases caused by drying up of body fluid and blood. It is distinguished as laryngeal sores and tongue sores. Laryngeal sores are caused by damage to the pharynx due to abnormalities in the throat, such as carbuncles. Laryngeal sores are caused by abnormalities in the tongue, such as a tongue that is folded and the mouth is not open. Also, in fat people, phlegm and moisture block the airway, which causes this disease.

Several studies scientifically prove the effectiveness of this pill as following

https://www.sciencedirect.com/science/article/abs/pii/S089219972300173X