Who we are?

We’re a group of Prüvits Independent Distributors who have been selling Prüvit products online since 2015.

We are dedicated to providing our customers with better prices, friendly service, and a smooth shopping experience.

We hope you enjoy Prüvit products as much as we enjoy offering them to you.

If you have any questions or comments, please don’t hesitate to contact us.

– Heative LLC is located in Wyoming, USA, and Nutrifirst Biotech Inc. is the branch of Centric Health Group in Asia.

Man working out Keto Diet


Keto-OS stands for “ketone operating system”. It is the First Therapeutic Ketone Supplement on the market. Its’ proprietary blend is owned by Prüvit and is Dr. Approved, Lab Tested, University backed. The technology in Keto-OS is patent-protected, and developed by one of the most world-renowned doctors and experts on Ketosis. Prüvit was the first company approved by the University of South Florida to acquire the sublicense rights to use this patent-pending technology. It is a powder that you mix with 8=10 oz. of water. Within 15-30 minutes it puts your body into Ketosis. Prüvit owns the worldwide rights to Keto-OS. Keto-OS has a certificate of analysis for purity, consistency, and efficacy.


Supplementing with exogenous ketones allows you to experience ketosis – the benefits of elevated blood ketone levels, without having to follow such a restrictive ketogenic diet, or super low carb diet, which is often difficult for some people to adhere to. Optimize your human potential.


Yes. Ketones naturally exist in the body and are created as a normal process of fat metabolism. Keto-OS simply provides these ketones from an exogenous source, but they have the same beneficial impact. However, if you suffer from any medical conditions, it is always recommended to consult your physician prior to starting any new nutritional supplement.