“Ryukakusan” is the old stand-by sore throat remedy that has been loved by everybody with the well-known phrase, “Cough! What you need is Ryukakusan”, since it was born in Japan around 200 years ago. It has been sold in Taiwan and Korea for 50 years. It is now a “Global Brand” selling about four times the domestic market in Asian countries. Many foreign media refers to it as “a must-buy medicine in Japan”. It encourages foreign tourists to bulk-buy this product. The evolved version of “Ryukakusan”, “Ryukakusan Direct” series was released in 2008 and has been getting a lot of attention since then.
It is popular for a reason
“Ryukakusan Direct Stick” is a granulated powder type that dissolves instantly. It can be taken easily even by those who find superfine powders difficult to swallow. The portable stick packaging can be used anytime, anywhere. An adult dose is one stick, and three to six uses per day are recommended. It is completely sugar-free, so there is no worry about tooth decay even when taken before bed.
To soothe throat irritation and pain with a longer-lasting effect, “Ryukakusan Direct Lozenge” is highly recommended. Simply let it melt slowly in the mouth without chewing. The mango-flavored lozenge is as casual and pleasant as eating candy.
The Characteristics of Ryukakusan Direct Series
Direct Action: Powdered herbal medicine works directly on the throat mucosa.
Few Side Effects: A gentle, reliable herbal formulation.
Non-Drowsy: Contains no ingredients that cause sleepiness.
No Water Needed: Must be taken without water for maximum efficacy.
Sugar-Free: Ideal for health-conscious users.
Effective for PM2.5 and hay-fever
In 2026, environmental stressors like PM2.5, Asian Dust (Yellow Dust), and cedar or cypress pollen remain a serious concern. These microscopic pollutants can be absorbed into the body, causing persistent coughs and throat irritation. Unlike the stomach, the lungs and trachea rely on a delicate self-purifying system of ciliated cells and mucus.
When inflammation occurs due to polluted air or vocal strain, this “cleaning system” weakens. Taking Ryukakusan without water enhances mucus production, helping the cilia discharge viruses, bacteria, and dust from the body. Whether you are preparing for a major business presentation or a night out, taking Ryukakusan Direct helps save your voice and maintain throat health.
Loved by announcers and voice actors
“Ryukakusan Direct” is exceptionally effective against hoarseness after talking or singing. In 2026, it remains the top choice for announcers, voice actors, and even virtual streamers (VTubers) who need to keep their voices rich and smooth for long broadcasts. Its refreshing taste and non-drowsy formula make it the professional’s reliable partner.
Choose the one to fit your purpose! Stick type and Lozenge type
Stick type: Ryukakusan Direct Stick Mint/Peach (Third-class OTC drug) Contains powdered herbal medicine to soothe sore throats and irritation. The granules dissolve immediately and work directly on the affected area.
- Indications: Phlegm, cough, hoarseness, sore throat, throat irritation.
- Dosage: * Adult (15+): 1 stick per dose.
- 11–14 years: 2/3 stick.
- 7–10 years: 1/2 stick.
- 3–6 years: 1/3 stick.
- Do not use for children under 3. Maximum 6 times a day. Wait at least 2 hours between doses.
Lozenge type: Ryukakusan Direct Lozenge Mango R (Third-class OTC drug) The only lozenge containing powdered herbal medicine. It has a long-lasting refreshing taste of mango and menthol.
- Indications: Phlegm, cough, hoarseness, sore throat, throat swelling.
- Dosage: * Adult (15+): 1 tablet per dose.
- 5–14 years: 1/2 tablet.
- Do not use for children under 5. 3 to 6 times a day. Wait at least 2 hours between doses.
For the best results, avoid eating or drinking for 20 to 30 minutes after taking Ryukakusan Direct to allow the herbal ingredients to fully coat your throat.
