NeuroScience   Kavinace OS - 60 Capsules

Shop all NeuroScience products
33 Reviews

"Very Positive experience when comparing this product with the original"  Read all reviews

CYBER SALE! Extra 20% off*. Code: CYBERNS • 
Item Number: NS1099
Serving Size: 2 Capsules Servings per Container: 30
Price per Serving:  $1.65 Price per Unit*: $0.83 per Capsule
* Price Per Unit may reflect product's price per capsule, tablet, ounce, fluid ounce, etc.
158 In Stock.

This item will ship on Monday before 5PM EST.

days. Never run out.
- +

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 [1].

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

[1] Data on file. 2019. NeuroScience‚ Osceola‚ WI 54020.

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.

  • MFG # 20053
  • UPC # 659468101776
Official Website:

Serving Size: 2 Capsules
Servings Per Container: 30

Amount Per Serving / % Daily Value

Magnesium 25 mg / 6%
(as magnesium bisglycinate chelate)
Zinc (as zinc bisglycinate chelate) 15 mg / 100%
Selenium (as selenomethionine) 200 mcg / 286%
Melatonin 5 mg / †
Proprietary Blend 214 mg / †
L-theanine‚ Resveratrol (as trans-resveratrol)‚ and Astaxanthin.

† 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 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 seal is broken or missing.

Keep out of reach of children.
Store at room temperature‚ in a dry place.

  • GMP

Ratings and Reviews

Write a Review
  • 3.8
4 33
  • 33 Reviews
    • Natural, deep sleep

      from Arizona on 10/21/2022
      We've used kavinace for years for occasional restlessness. During menopause I used it regularly with consistent results of quick, deep REM sleep without after effects. Today, we still use it as needed with the same reliable results. Even when we get up at night, we return to deep sleep quickly. I wish this product weren't so expensive and still escalating in cost, because it's so reliable I always keep Kavinace on hand.


      Works fast and consistently


      High price that keeps escalating
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      Kavinace OS

      from Las Vegas on 12/17/2021
      Does not help me. Is there any hope of ever getting the Ultra PM formula again?




      No help at all
    • Verified Buyer

      Kavinance OS

      from Greer SC on 7/02/2021
      Helps me sleep. However, it’s too expensive!


      Helps me sleep


      It’s too expensive without points
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      for sleep

      from Bradenton Fl on 3/28/2021
      I love this product , it helps me sleep without a hangover


      helps with sleep


      no cons
      review-checkI would recommend this item to a friend.
    • Good, but could be better...

      from STUDIO CITY CA on 3/16/2021
      I have just begun using Kavinace OS, and there's good to report....and bad. First the bad: I find that melatonin in capsule form is less effective than the sublingual form, which enters the bloodstream more quickly. This distinction is important when you want to get to sleep quickly. The good: the Kavinace OS does include some helpful ingredients not often found in a melatonin supplement. If, for example, you have hypothyroidism, you'll welcome the inclusion of zinc and selenium, which have been shown to support thyroid health. But, it's hard to recommend a melatonin supplement that doesn't quickly promote sleep.
      1 of 1 people found the following review helpful.
    • Verified Buyer

      Doesn't work anything like it used too

      from Fort Worth TX on 2/20/2021
      I used the old Kavinace formula before they changed it & it worked like a charm. Tried the new revised Kavinace & it did not work at all.


      Can't say anything good about it


      Spent so much money on a product that no longer works
    • Verified Buyer

      Help me sleep

      from EL CAJON CA on 6/27/2020
      I take 2 teaspoons a night and help my sleep. I like the flavor


      I can adjust the amount versus capsules that aren't adjustable.


      When first using it, the liquid is a little oily.
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      Still works great for sleep for me

      from Arizona on 5/05/2020
      I depend on this for a full night's sleep... and the new formula seems to be working great for me. I miss the old formula, but I'm grateful that the new formula works in a pinch.


      keeps me asleep, potent


      review-checkI would recommend this item to a friend.
    • Verified Buyer


      from Aurora IL on 1/15/2020
      It works well for sleep


      It works almost as well as the original


      I miss the original formula
      review-checkI would recommend this item to a friend.
      1 of 1 people found the following review helpful.
    • Verified Buyer

      New Formula - Bring back old formula

      from Farmington, CT on 1/15/2020
      I have been a long time user of Kavinace. This new formula is not the same as the old formula and no longer works for me. The old version of Kavinace would allow me to gently fall asleep. This new formula does not help me fall asleep or stay asleep. I will discontinue my use of this product. So sad. Please bring back the old formula. Why was it changed to begin with???



      New formula
      8 of 8 people found the following review helpful.
  • 1
    • Previous

Customer Questions and Answers

Please ask any questions you may have about this specific product in the field below.

Your question(s) and our corresponding answer(s) will not be confidential and will be posted publically on this specific product page.

Additionally, PureFormulas is unable to directly recommend products in relation to specific health conditions. Please contact your trusted healthcare practitioner for direct product recommendations.

If you have any general questions regarding orders or our policies and programs, please contact our Customer Happiness Team @ 1.800.383.6008

If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Your healthcare professional is the best source for guidance before beginning an exercise or nutritional supplement program.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Ask a Question

Please log in to submit a question Log In