Ostrovit KEEZA Sleep Aid 300 g


OstroVit KEEZA Sleep Aid is a set of twelve active ingredients - vitamins, minerals, amino acids, acids and plant extracts in a convenient powder form for dissolving in water. This is another supplement of the KEEZA line, dedicated to all physically active people who care about everyday support for the regeneration and rest process. The ingredients in our formula can also help you fall asleep and improve the quality of your sleep.

Why is it worth taking care of a healthy sleep?

The daily cycle of each of us is invariably 24 hours - this time is divided primarily into the one in which we undertake all kinds of activities and the one in which we should provide the body with the opportunity to rest and regenerate. Maintaining balance in this regard is extremely important - it is thanks to the time allocated for both physical and mental rest that our body is able to regenerate and continue to function properly. Properly planned rest each day, combined with a nutritious diet that provides essential nutrients and micronutrients, gives us the ability to take on more challenges. With OstroVit KEEZA Sleep Aid, you can supplement your daily diet with:

  • Magnesium - a mineral that supports, among other things, the proper functioning of the nervous system and the maintenance of proper psychological functions. In addition, it participates in the proper work of our muscles, maintenance of electrolyte balance and proper energy metabolism. Significantly contributes to reducing feelings of fatigue and tiredness.
  • L-arginine - is an organic chemical compound from the group of essential amino acids. By directly activating nitric oxide, it improves blood flow. It is an antioxidant.
  • L-glutamine - is an organic chemical compound from the group of endogenous amino acids. Supports recovery processes after heavy training sessions.
  • Gamma-aminobutyric acid - affects the work of the nervous system - has a calming effect, supports the process of falling asleep and causes muscle relaxation.
  • D-aspartic acid - supports post-workout recovery during sleep.
  • L-lysine HCL - supports tissue reconstruction, fat metabolism and calcium absorption. May improve concentration and sleep quality.
  • L-tryptophan - stimulates the nervous system into action. May have beneficial effects on mood and sleep regulating effects.
  • Melissa leaf extract - known for its calming properties.
  • Hops cone extract - it is recommended in problems with falling asleep.
  • Zinc - helps protect our cells from oxidative stress. In addition, it supports the maintenance of normal cognitive function and plays an important role in maintaining normal fertility and reproductive function. It also helps to maintain the proper level of testosterone in the blood.
  • Vitamin B6 - Supports the proper functioning of the nervous system and maintenance of proper psychological functions. Contributes to the regulation of hormonal activity. In addition, it participates in proper energy metabolism.
  • Melatonin - has an effect on regulating the diurnal rhythm - helps reduce the time it takes to fall asleep.
16,90 €

Suggested usage

Dissolve a 10 g serving (1.5 scoops) in 150-200 ml of water. Take 1 serving daily, 30 minutes before bedtime. Beneficial effects occur when 1 mg of melatonin is consumed shortly before going to bed. The product is intended for adults.


Magnesium salts of citric acid (magnesium), maltodextrin, L-arginine, L-glutamine, gamma-aminobutyric acid GABA, acidity regulator: citric acid; D-aspartic acid D.A. A, black carrot concentrate powder, L-lysine HCl, L-tryptophan, lemon balm leaf extract (Melissa officinalis) DER 4:1, hop cone extract (Humulus lupulus L.) DER 4:1, anti-caking agent: silicon dioxide; zinc gluconate (zinc), flavouring, sweetener: sucralose; pyridoxine hydrochloride (vit. B6), melatonin.

Product may contain milk (including lactose), soybeans, peanuts, other nuts, sesame seeds, cereals containing gluten, eggs, crustaceans, fish.

Active ingredientsPer serving 10 g% RI*
Magnesium375 mg100%
L-arginine1000 mg
L-glutamine800 mg
Gamma-aminobutyric acid GABA750 mg
D-aspartic acid D.A.A.550 mg
L-lysine HCL320 mg
L-tryptophan300 mg
Balm leaf extract210 mg
Hop cone extract100 mg
Zinc15 mg150%
Vitamin B67 mg500%
Melatonin1 mg






























*RI - Reference intake

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