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Frequently asked questions

What is in FAST:RX™?

Filtered water, Erythritol, Natural flavors, Ascorbic acid, Himalayan salt, Citric acid, Panax ginseng, Apple cider vinegar, Green tea extracts, a Vitamin blend (C, E, B3, B5, B6, B12), essential electrolytes, potassium, and stevia leaf extract. See nutrient panel on side of can for more details.

Is it safe? How does it work?

FAST:RX is a FDA certified, nutrient enhanced beverage that includes specific all-natural ingredients to help curb hunger, boost energy, and improve focus.

How should I consume FAST:RX™ beverages?

FAST:RX tastes best when cold.

What type of fasting does this work for?

Intermittent fasting as well as extended fasting.

Can I take it with medications?

FAST:RX is FDA approved. Each 16oz can has 30mg of caffeine from green tea and panax ginseng. Check with your physician to confirm if FAST:RX and FAST:RX ingredients are safe for you to consume.

Is FAST:RX™ keto friendly, gluten free, nut free, and paleo?

FAST:RX is fasting friendly, keto friendly, gluten free, and nut free. FAST:RX is not Paleo as it contains 30ml of caffeine per 16oz can.

Is refrigeration required?

It is not required, but it is recommended to chill FAST:RX before devouring.

Do you ship internationally?

Not yet, but we hope to in the future.

Is FAST:RX™ sold in stores?

FAST:RX can currently be found on Amazon.com and drinkfastrx.com. We hope to be in stores across the USA in the near future.