Fast Fuel



Heart, Liver, Kidney, Inflammation, Immune, and Detox Support.

4th generation one-of-a-kind fuel for your physiology.

The first and only product in the nation to combine the patented goBHB® technology with goFAT®. Combining these two patented powerhouse ingredients along with additional cofactors described below will allow you to increase your energy, lower your blood sugar, decrease your appetite, and reduce systemic inflammation.

Fast Fuel (formerly called Keto-FX) is formulated to provide the optimal source of fuel to help you restore your metabolic health and reverse many chronic diseases. Ketone and fatty acid physiology are used successfully in the areas of brain function, cancer prevention, blood sugar disorders (including but not limited to type 1 and 2 diabetes, pre-diabetes, metabolic syndrome, obesity, and more), autoimmune and inflammatory disorders, and the list is growing.

While many products are available directly to the consumer, none of them are formulated with patient care and objective outcomes in mind. The doctors at Cyrene Labs are in active clinical practice, so our formulations have been influenced by the latest research and what actually works and thus the reason for 4 formulation advancements in 5 years.

Why did we add goFAT®: A suite of fatty acids derived from the purest sources

goFAT® is a breakthrough low-carb ingredient, a suite of unique, high-potency, keto-friendly fat powders including CLA, coconut, macadamia, and olive oil. Fat can promote a full feeling, help maintain blood sugar in already healthy ranges, and improve the taste and texture of products.

MCT was our previous choice, however, the quantity of MCT that can be used is limited by the GI distress it could cause. MCT also results in a very short-acting source of energy. Using goFAT® has allowed us to not only have a creamy, easily mixed product but also allows us to have a product that is long-lasting in our body, resulting in all the benefits associated with the various suites of oils found in this product.

Features of goFAT®

  • Supports intermittent fasting and time-restricted eating
  • Prebiotic support for gut health
  • Vegan
  • Low glycemic index


  1. Patented
  2. goFAT® & goBHB® together in the same product. Allowing for a sustained spike in blood ketones (BHB) not seen with each product taken separately.
  3. Supports transition to a ketosis while on a low carbohydrate diet
  4. Fast Fuel is an effective option because of its anti-inflammatory, antioxidant and neuroprotective effects
  5. Carbohydrate-free energy for muscle and brain*
  6. Fast Fuel may lower ghrelin (hunger hormone) and appetite (Stubbs, 2018)*
  7. Helps stimulate “metabolic shift” away from glucose (sugar) dependence*
  8. Provides clean energy for exercise (Chioleroo, 1993)*
  9. Support bowel movements and GI health.
  10. Emerging research suggests Fast Fuel may support brain and cognitive health
  11. Supports brain health and cognition. (Amiel, 1991)*

Emerging research suggests supplemental BHB may support healthy gene expression. The combination of goFAT® and goBHB® along with the prebiotic fiber, glucomannan eliminates the GI side effects seen with MCT oil and support healthy microbiome

Blood Sugar Health:
Insulin resistance is sharply reduced with nutritional ketosis.

Heart Health:
Because the heart requires so much ATP for daily energy needs, ketones can be effective in supplying the heart with energy needs for those battling insulin resistance.

Ketone bodies (β-hydroxybutyrate; acetoacetate) are important for energy production and act as metabolic signals. Ketone bodies are important fuels for the heart. Cardiac ketone body metabolism is altered in cardiac disease. Supplying the heart with available ketone body metabolism has therapeutic potential.

Liver and Kidney Health:
Emerging research on non alcoholic fatty liver disease (NAFLD) suggests that ketosis and ketone bodies in the blood is an effective tool of reversing this disease. NAFLD is becoming pandemic in America, it is estimated that in this decade, NAFLD will be the number one cause of liver transplants. Evidence of NAFLD is now abundant in children. It is completely reversible, naturally.

Immune Health:
The cytokine storm associated with poor outcome in various types of infection and autoimmunity are impacted by ketotic state.

Inflammation is reduced by reducing oxidation and increasing the efficiency of producing energy (ATP) with oxygen when utilizing ketones over glucose by many tissues of the body. Including but not limited to the brain, heart, kidneys, and skeletal muscle.

  1. Better for the brain. The latest research shows that ketosis driven by BHB and Fatty Acids combined has a probability of crossing the blood-brain barrier directly and at a higher rate while bypassing the need to detour through the liver for enhanced neurological benefit.
  2. Maximum dose of active ingredients while maintaining great taste. The new formulation elevates the availability of ketones, ensuring the maximum spike needed to experience nutritional ketosis and the benefits of cellular signaling.
  3. Amino Acids that support ketosis and brain function. Our ketogenic amino acid complex contains the 2 purely ketogenic amino acids and the amino acid tyrosine. Tyrosine is a very important precursor molecule in the production of the most abundant and important neurotransmitters in the brain, such as dopamine and epinephrine.

Fast-Fuel Download PDF

Free shipping for orders over $375


Additional information

Weight0.60625 lbs
Dimensions3.75 × 3.75 × 4.5 in

Citrus, Chocolate

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Returns and Exchanges
There are a few important things to keep in mind when returning a product you purchased.You can return unwanted items by post within 7 working days of receipt of your goods.
  • You have 14 calendar days to return an item from the date you received it.В
  • Only items that have been purchased directly from Us.
  • Please ensure that the item you are returning is repackaged with all elements.
Ship your item back to Us
Firstly Print and return this Returns Form to:30 South Park Avenue, San Francisco, CA 94108, USA Please remember to ensure that the item you are returning is repackaged with all elements.For more information, view our full Returns and Exchanges information.

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