KETO//OS® (Ketone Operating System) is a revolutionary drink mix based on a proprietary ketone energy technology. It delivers advanced macro nutritionals and promotes optimized cellular regeneration, energy and longevity.



OTG: These single serving packets are easy to carry with you and drink anywhere.
  • KETO//OS® Max – Heart Tart

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    Caffeine free or Charged (caffeine)

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  • Smartship discount USD


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What's in it

Dissolve 1 packet in 12-16oz. of cold water & shake/stir vigorously and with purpose. Can be taken with or without food.

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The KETO//OS® MAX blend contains our patent-pending BHB salt. This is the only BHB salt that directly mimics the same ketones that your body naturally produces making it the most bioidentical formula to date.

Utilizing our N8 Bioavailability Blend™ featuring ac-11®, KETO//OS® MAX supports healthy cell function, rapidly repairs DNA, boosts immune function, and elevates essential amino acids necessary for optimizing body composition.

Pruvit’s patent-pending KETO//OS® MAX formula also contains exclusive bioidentical ketones that provide direct and unrivaled human absorption for maximum results. This synergistic combination supports accelerated healing, endurance, and overall physical performance.

Supplement Facts

Serving size 1 packet

Amount Per Serving % Daily Value
Calories 45
Total Carbohydrate 5 g2%*
Total Sugars 4 g
Sugar Alcohol 4 g
Vitamin B6 (pyridoxine) 16 mg941%
Vitamin B12 (as cyanocobalamin) 100 mcg4167%
Calcium 270 mg21%
Sodium 915 mg40%
N8 Bioavailability Blend™ 12.6 g
Max BHB™ (R-Beta Hydroxybutyrate)
Fermented L-Leucine
C-Med 100® (Inner Bark of Uncaria Tomentosa)

* Percent Daily Value based on a 2,000 calorie diet.

† Daily value not established

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.
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