The world's first vitamin supplement system designed to optimize your fast.

Engineered for Ketosis.

Trusted by biohackers and wellness gurus alike, the Kētos fasting system is made in the USA with the highest quality premium ingredients available, clinically calibrated to support clean, healthy ketosis.

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A Science-driven Metabolic Nutrition Complex.

L-Theanine

Elevate mental clarity and calmness

SHR-5 Rhodiola

Adaptogenic stress response supports ketosis

Affron®

Help reduce snacking urges

Chromium

Support insulin sensitivity and help reduce hunger spikes

Thiamine

Help prevent re-feeding syndrome

Magnesium + Potassium

Promote ATP formation and boost energy

Our mission

There’s an art to the science.

We have worked tirelessly, refining countless formulations, processes, and tests to ensure that each supplement we create fulfills our promise of helping you achieve clean, healthy ketosis.

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  • MADE IN THE USA

    Proudly crafted in the USA with ultra-premium ingredients you can trust.

  • FREE 2-4 DAY SHIPPING

    Free 2-4 day USA shipping with tracking on all orders. 

  • NO HASSLE 30 DAY RETURNS

    No hassle 30 day returns on unopened packages.

  • THIRD-PARTY TESTED

    Produced in a FDA-registered, GMP-certified facility for purity and safety.