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Lactium for Restful Sleep
People often say, "Sleep is the best medicine." This highlights how profoundly sleep impacts our health. In fact, sleep quality plays an absolutely vital role in our health, far beyond simply relieving the fatigue accumulated during the day. It directly impacts our entire physical and mental health, from fatigue recovery to memory, brain and nervous system health (including nerve repair), cardiovascular function, metabolic processes, weight/blood sugar management, stress, depression, and even lifespan.
However, it is surprising how many people around us struggle with sleep disorders. Data from the National Health Insurance Service clearly illustrate this trend. As of 2023, the number of people receiving treatment for sleep disorders (including both organic and non-organic types) reached 1,245,977. This reflects a 24% increase compared to 2019 (998,796 people), while medical expenses surged by 55%. By age group, the highest prevalence was found among individuals in their 60s, followed by those in their 50s and 70s. The incidence was also higher among women (55.2%) than men (44.8%).
Source: National Health Insurance Service
The causes of sleep disorders are diverse and complex. They can arise from psychological factors such as stress and anxiety; physical factors including pain, respiratory conditions, and hormonal imbalances; lifestyle habits such as smartphone use, excessive caffeine consumption, and irregular daily routines; and environmental factors such as noise, light, and temperature.
Solutions for sleep disorders are necessarily multifaceted, reflecting the complexity of their causes. Improving lifestyle habits is essential. Keeping consistent bedtimes and wake-up times, reducing the use of electronic devices such as mobile phones before bedtime, and limiting or avoiding caffeine and alcohol intake can all be helpful. Creating a quiet, dark environment and maintaining an appropriate temperature also support restful sleep. The psychological aspect is equally important. Practices such as meditation, deep breathing, and muscle relaxation help relieve physical and mental tension. Maintaining positive emotions instead of anxiety or fixation about sleep can also be beneficial. Dietary habits should not be overlooked. Consuming sleep-promoting foods such as warm milk, bananas, and nuts, and eating a light dinner can also help.

Go to bed and wake up
at consistent times

Avoid caffeine
and alcohol

Relax the body
and mind

Consume foods that
promote better sleep

Avoid using electronic
devices before bed
Sleep aids can help with insomnia, but they aren’t always the perfect solution. Because many sleep pills work by suppressing the central nervous system, using them for more than a couple of weeks may lead to side effects like headaches, as well as tolerance and dependence.
That’s why more people are looking for gentler, safer options to support better sleep. One such ingredient is Lactium, a natural, milk-derived component that helps improve sleep quality without placing a heavy burden on the body, even with long-term use.
Lactium is a bioactive peptide ingredient created by hydrolyzing casein protein, one of the proteins found in milk, with water. Inspired by the peaceful sleep of babies after drinking milk, it is a safe functional ingredient registered with the US FDA NDI (Registration No.: NDI NO.242).

◀ Lactium, a Milk-Derived Ingredient

*NDI (New Dietary Ingredient) – New dietary ingredient
Lactium, a functional ingredient, showed significant improvements in four sleep health indicators in human clinical trials.




Subjects: 24 test subjects with poor sleep quality, 24 control subjects
Study Country: South Korea
Dosage: 300 mg of hydrolyzed milk protein
Study Period: 4 weeks
* Source: A Double-Blind, Randomized, Placebo-Controlled Crossover Clinical Study of the Effects of Alpha-s1 Casein Hydrolysate on Sleep Disturbance
* Test results may not apply to everyone
Atomy Good Sleep Lactium uses 100% premium Lactium developed by Ingredia, a global dairy processing specialist based in France, ensuring safe consumption.
Atomy Good Sleep Lactium is a quadruple-functional product containing not only Lactium but also theanine, magnesium, and vitamin B6. It can help improve not only sleep quality but also stress-induced tension relief and energy utilization. We recommend it for anyone who struggles to fall asleep or has poor sleep quality. Enhance your sleep quality to wake up refreshed and maintain a mentally and physically healthy daily life!

May help improve sleep quality

May help relieve stress-induced tension

Essential for energy utilization and for maintaining nerve and muscle function

Supports protein and amino acid metabolism, and helps maintain homocysteine levels in the blood