What kind of product is "Drewell Yourhythm"?

It is a new series of functional food supplements from SS Pharmaceutical's sleep brand "Drewell," formulated with GABA and Rafuma. It supports improved sleep quality and stress reduction.

How does it differ from existing "Drewell" products?

Existing "Drewell" products are OTC medicines for temporary insomnia, while "Drewell Yourhythm" is a functional food supplement addressing daily sleep concerns. The key difference is between a pharmaceutical and a supplement.

Who is this product recommended for?

It is recommended for individuals experiencing daily sleep problems, such as those who struggle to wake up in the morning, wish for deeper sleep, desire a refreshing awakening, are busy with work, feel stress or fatigue, or experience mid-sleep awakenings.

Supplement Series for Daily Sleep Concerns: "Drewell Yourhythm" Newly Launched from Sleep Brand "Drewell"!

Published Apr 1, 2026 7:00 PM ・ Updated Jun 2, 2026 12:57 PM ・ 13 min read ・ Source: PR TIMES

SS Pharmaceutical launches "Drewell Yourhythm," a new supplement series from its sleep brand "Drewell," offering choices for daily sleep concerns.

SS Pharmaceutical Co., Ltd. (Head Office: Shinjuku-ku, Tokyo; Representative Director and President: Yoko Motoshima) will launch "Drewell Yourhythm," a new supplement series from its sleep brand "Drewell," starting April 1 (Tuesday).

"Drewell" is a pioneering sleep brand aiming to promote the growth of individuals and society through good sleep, realizing a richer future. To make good sleep more accessible to more people, we are launching "Drewell Yourhythm," a supplement series that can be chosen according to each individual's daily sleep concerns.

Overview of New Products

"Drewell Yourhythm" is a Food with Function Claims designed to improve sleep quality and lead to fulfilling daily life. It contains GABA, which supports the improvement of deep sleep quality, and Rafuma, which is involved in serotonin related to sleep rhythm and its metabolite melatonin. These two sleep support ingredients help improve sleep quality. The lineup includes two types: DEEP, specialized for improving sleep quality, and RELAX, which improves sleep quality and alleviates stress. Each type is available in two sizes: an easy-to-try 18 tablets / 6 days supply, and a sustainable 42 tablets / 14 days supply.

Drewell Yourhythm DEEP: A basic item specialized for improving sleep quality

Food with Function Claims

・ 18 tablets / 6 days supply

・ 42 tablets / 14 days supply

・ Improvement of sleep quality (depth of sleep, refreshing awakening)

・ Contains W ingredients (functional components): GABA + Rafuma* *Rafuma-derived hyperoside, Rafuma-derived isoquercitrin

・ Lavender scent for relaxation, white tablet form

・ Those who find it hard to wake up in the morning

・ Those who want to sleep soundly

・ Those who want to wake up refreshed

Notification number: J1537

Functional claims: This product contains GABA, Rafuma-derived hyperoside, and Rafuma-derived isoquercitrin. GABA has been reported to have functions that help improve sleep quality (depth of sleep, refreshing awakening) and reduce temporary decline in vitality and vigor in daily life. Rafuma-derived hyperoside and Rafuma-derived isoquercitrin have been reported to have functions that help improve sleep quality (depth of sleep, satisfaction with sleep upon waking).

Drewell Yourhythm RELAX: Improves sleep quality and alleviates stress

Food with Function Claims

・ 18 tablets / 6 days supply

・ 42 tablets / 14 days supply

・ Alleviates temporary mental stress and fatigue

・ Contains W ingredients (functional components): GABA + Rafuma* *Rafuma-derived hyperoside, Rafuma-derived isoquercitrin

・ Supplements Vitamins B₁, B₂, B₆, B₁₂

・ Refreshing bergamot scent, green tablet form

・ Those who are busy with work

・ Those who feel stress or fatigue

・ Those who wake up in the middle of the night

Notification number: J1538

Functional claims: This product contains GABA, Rafuma-derived hyperoside, and Rafuma-derived isoquercitrin. GABA has been reported to have functions that help improve sleep quality (depth of sleep, refreshing awakening), reduce temporary decline in vitality and vigor in daily life, and alleviate temporary mental stress and fatigue caused by work or study. Rafuma-derived hyperoside and Rafuma-derived isoquercitrin have been reported to have functions that help improve sleep quality (depth of sleep, satisfaction with sleep upon waking).

About the double sleep support ingredients

GABA is an amino acid abundant in vegetables, fruits, and grains, playing a crucial role as an inhibitory neurotransmitter in the human body. GABA is a plant-derived ingredient produced by lactic acid fermentation of glutamic acid derived from sugarcane, etc.

*Rafuma-derived hyperoside, Rafuma-derived isoquercitrin

Rafuma is a herb characterized by its strong vitality, and its leaves have long been cherished as a health tea.

As functional components, it contains two plant-derived ingredients: Rafuma-derived hyperoside and Rafuma-derived isoquercitrin.

About Drewell (OTC Pharmaceuticals)

Drewell and Drewell EX are sleep improvement drugs available at pharmacies and drugstores nationwide. By alleviating temporary insomnia symptoms* such as "difficulty falling asleep" and "shallow sleep," they contribute to enriching overall life and improving QOL (Quality of Life). Unlike prescription sleep medications (benzodiazepine-based, etc.), Drewell and Drewell EX contain diphenhydramine hydrochloride, a type of antihistamine found in OTC cold and rhinitis medicines, which alleviates temporary insomnia symptoms through its action.

*Temporary insomnia refers to "transient insomnia experienced by people without pathological causes such as mental illness," lasting for several days and not exceeding one week.

Drewell (Designated Class 2 OTC Drug)

Drewell EX (Designated Class 2 OTC Drug)

[Efficacy/Effect]

Alleviation of the following symptoms of temporary insomnia: difficulty falling asleep, shallow sleep

[Dosage/Administration]

When you have difficulty falling asleep or shallow sleep, take the following single dose once a day before bedtime with water or lukewarm water.

Drewell: Adults (15 years and older) Single dose: 2 tablets (Do not take if under 15 years old)

Drewell EX: Adults (15 years and older) Single dose: 1 capsule (Do not take if under 15 years old)

[Product Lineup]

Drewell: 6 tablets (3 days supply) / 12 tablets (6 days supply)

Drewell EX: 6 capsules (6 days supply)

These medicines should be used after consulting with a pharmacist or registered seller and carefully reading the "Precautions for Use."

About SS Pharmaceutical

SS Pharmaceutical is a pharmaceutical company specializing in OTC (over-the-counter) drugs and healthcare products. Since its establishment in 1765, it has provided various products to meet health needs for 260 years. It operates in 100 countries worldwide and is responsible for the Japanese operations of Opella, which holds the world's third-largest business scale in the OTC drug and VMS (Vitamins, Minerals, Supplements) market. SS Pharmaceutical will continue to contribute to improving people's health and quality of life through the development of high-value-added pharmaceuticals such as "Switch OTC drugs" and the promotion of self-medication.

For more details on SS Pharmaceutical Co., Ltd., please refer to https://www.ssp.co.jp/.

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Source: PR TIMES
Category: New Product

Supplement Series for Daily Sleep Concerns: "Drewell Yourhythm" Newly Launched from Sleep Brand "Drewell"!

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