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Professional Supplements & Nutritional Products Since 1998

Target the cellular consequences of sleeplessness with a formulation proven to significantly improve both sleep onset and efficiency after the first dose*

The newest formulation from the quick sleep support brand you trust.

Kavinace® OS is a comprehensive blend of ingredients shown to improve the onset‚ duration‚ and efficiency of sleep while offering the convenience of a consistent experience for those loyal to Kavinace with capsules identical in size and type.

Preliminary study data showed participants taking one serving of Kavinace OS at bedtime significantly shortened the time it took to fall asleep and also significantly increased the time spent asleep while in bed [1]. The vast majority of participants reported improved sleep quality with the Kavinace OS blend and were very satisfied with how quickly they fell asleep.

NeuroScience is a two-decade old‚ healthcare provider trusted brand whose supplements undergo product specific‚ independent testing to guarantee label amounts of each ingredient and the absence of heavy metals‚ pesticides‚ and microbes.

Supplement Facts:

Serving Size: 2 Capsules
Servings Per Container: 30

Amount Per Serving:

Ingredient Amount % Daily Value
Magnesium (as magnesium bisglycinate chelate) 25 mg 6%
Zinc (as zinc bisglycinate chelate) 15 mg 100%
Selenium (as selenomethionine) 200 mcg 286%
Melatonin 5 mg

Proprietary Blend

L-theanine‚ Resveratrol (as trans-resveratrol)‚ and Astaxanthin.

214 mg

† Daily Value not established.

Other Ingredients:

Vegetable capsule (Hypromellose‚ water)‚ Organic rice concentrate‚ and Microcrystalline cellulose.


Take 2 capsules at bedtime or as directed by your healthcare provider. Do not exceed the suggested use.


  • If you are pregnant or nursing‚ consult your healthcare provider before use.
  • This product has a tamper-evident seal under the cap. Do not use if the seal is broken or missing.
  • Keep out of reach of children.
  • Store at room temperature‚ in a dry place.


These statements have not been evaluated by the Food and Drug Administration (FDA). These products are not meant to diagnose‚ treat or cure any disease or medical condition. Please consult your doctor before starting any exercise or nutritional supplement program or before using these or any product during pregnancy or if you have a serious medical condition.