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Keto Detox Water (2 Versions!)

Looking for a pick-me-up that isn’t coffee? Try this Keto Detox Water! It’s a tasty combination of sweet, sour, and spicy and is the perfect replacement for breakfast or any time between meals when you want to put a little pep in your step. I’ve included two recipes so you can pick the one that best fits your macros.

keto detox water sitting on a ledge with beautiful blue skies and green grass behind it

This post contains affiliate links, which means I’ll make a small commission if you purchase through one of my links (at no extra cost to you). Thank you for your support!  Additionally, Lakanto provided me with a product to sample, but all opinions are my own.

Have you ever heard of the “Master Cleanse”? It’s this 10-day detox where you consume nothing but a special drink (more on that in a moment), salt water, and an herbal, um, “cleanse” (aka laxative). I did it twice in my early 20s and it was an interesting experience, to say the least. I did lose weight and felt kind of awesome for going 10 days without food, but it was pretty torturous. I wouldn’t recommend it!

So, more about that special drink… it consisted of lemon juice, maple syrup, cayenne pepper, and water. You were supposed to drink as many of these as you wanted, and I probably had 6 to 12 a day. You’d think that after 10 days of consuming only this drink x 2 rounds of the Master Cleanse, I’d absolutely hate the thought of that drink.

But you know what? I don’t… at all! In fact, I’ve craved it over the years. It struck me recently that I should make a keto version, so this Keto Detox Water was born! I actually made two versions so you can choose which one best fits your macros (they both taste great).

overhead view of keto detox water in a glass with sliced lemons lying on countertop beneath

Don’t be confused by the name — this is not meant to be used for an extended detox like the Master Cleanse. It’s meant to supplement your regular keto meals and is ideally used in the morning as a replacement for breakfast. I named it a “detox water” because of the benefits of lemon juice and cayenne pepper, which I’ll tell you about later in the post.

(Disclaimer: I’m not a doctor, so if you have any medical condition that would make it dangerous to only consume a liquid in the morning, please don’t consume this drink that way.)

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Ingredients Needed to Make Keto Detox Water

You will need lemons, cayenne pepper, and chilled water, plus:

Lakanto Maple-Flavored Syrup

Stock up on a bottle (or five) of this… it is heavenly! Best of all, two tablespoons contain only 1g net carbs after you subtract the fiber and sugar alcohols.

If you want to make Keto Detox Water version #2, you will also need:

Lakanto Lemon Liquid Sweetener

These flavored drops contain zero calories and zero net carbs! 

How to Make Keto Detox Water

This detox water couldn’t be easier! You just juice a lemon (I highly recommend freshly juiced lemon juice, not a concentrate) and combine all ingredients in a glass.

overhead view of keto detox water ingredients including sliced lemons and cayenne pepper

Keto Detox Water #1 (3g net carbs/glass)

This version is most like the original and contains:

  • Lemon juice
  • Lakanto maple-flavored syrup
  • Cayenne pepper
  • Chilled water

Keto Detox Water #2 (2g net carbs/glass)

This version is lower in carbs and a bit sweeter. It contains:

  • Lemon juice (but less than version #1)
  • Lakanto maple-flavored syrup
  • Lakanto lemon liquid sweetener
  • Cayenne pepper
  • Chilled water

(See the recipe card at the bottom for the ingredient amounts for each drink.)

overhead view of keto detox water ingredients next to a glass of a keto detox water with spoon inside

Why Drink this Keto Detox Water?

I know what some of you may be thinking. “THREE (or two, for version #2) GRAMS OF NET CARBS… in a DRINK?! Why would I do that?”

Here’s why: because the keto lifestyle isn’t always about stuffing as much food as you can into your macros every day. Yes, the keto lifestyle sets certain parameters, but keto is also about becoming a healthier, better version of yourself… and sometimes that means using up a few carb grams to consume something that’s really good for you.

Let’s go over a few of the benefits of lemon juice and cayenne pepper to show you what I mean:

Benefits of Lemon Juice

Drinking lemon juice has many documented benefits, including:

  • Aids detoxification
  • Helps with digestion
  • Enhances immune system (thanks to a healthy dose of Vitamin C)
  • Boosts energy levels
  • Helps with kidney health

Source 1, Source 2

Benefits of Cayenne Pepper

Cayenne pepper has many documented benefits as well! These benefits include:

  • Boosts circulation
  • Serves as a decongestant
  • Helps with aching joints and muscles
  • Suppresses appetite
  • Helps with digestion


See? Those carbs are worth it! 🙂 (Plus, don’t forget, Keto Detox Water is ideal on an empty stomach in the morning instead of breakfast.)

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Bonus: A Brilliant Method for Easy Water with Lemon Slices

I don’t know about you, but I love a glass of water with a slice of lemon because it helps perk up the flavor of water. So, I wanted to share with you my favorite method for preparing water with lemon slices.

Step #1: Wash your lemons! They’re going to be floating in your water, so you want them nice and clean.

Step #2: On a cutting board, slice them with a sharp knife.

keto detox water sliced lemons sitting on top of each other on a cutting board

Step #3: Place your lemon slices in a freezer-safe bag and pop them in the freezer for at least an hour.

keto detox water lemon slices in a freezer bag on a white cutting board

Step #4: Pull out a slice or two as desired for your water. Brilliant, right?! No need to worry about your lemons going bad or having more slices than you need. Plus, the frozen lemon slice(s) will chill your water!

closeup of keto detox water sliced lemons frozen in a freezer bag

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keto detox water in a ball canning jar sitting on a ledge in front of scenery

Keto Detox Water
Prep Time
1 min
Total Time
1 min

This detox drink is a refreshing pick-me-up! Have it first thing in the morning or between meals.

Course: Drinks
Cuisine: American, Western
Keyword: detox water, keto detox, low carb detox
Servings: 1
Calories: 28 kcal
Version #1 (3g net carbs/serving)
Version #2 (2g net carbs/serving)
  1. Add ingredients to a glass and stir well.

Recipe Notes

Lakanto Maple-Flavored Syrup: Since my nutrition software doesn't allow for sugar alcohols, I simplified the calculations by reporting the net carbs only for the syrup (1g net carbs for the amount used in this recipe).

THE NUTRITION LABEL BELOW IS FOR VERSION #1. Version #2 contains 2g net carbs.

Nutrition Facts
Keto Detox Water
Amount Per Serving
Calories 28
% Daily Value*
Total Fat 0g 0%
Saturated Fat 0g 0%
Cholesterol 0mg 0%
Sodium 74mg 3%
Total Carbohydrates 3g 1%
Sugars 0g
Protein 0g 0%
Vitamin A 1.5%
Vitamin C 14.1%
* Percent Daily Values are based on a 2000 calorie diet.

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  • Tried this for the first time today. The smallest measuring spoon I have is a 1/8. I put in maybe half of that of the cayenne pepper. Too much! I bought 2 large lemons and measured out a tablespoons of the juice into an ice tray. My plan is to place a 10oz. glass of water in fridge each evening and drop in 1frozen lemon cube. So the next morning I add remaining ingredients and it’s ready to drink. My hope is that eventually I will tell a difference in arthiritis pain and maybe get an energy boost.

    • Hi Gaye! I’m so happy to hear you gave it a try. It definitely has a “kick” to it, so I can understand wanting to cut down on the amount of cayenne. I’ve had so many that I think I’m used to it. 🙂 Your plan sounds great, and I hope you notice improvements with your pain levels and energy!

  • Made version 2 for the first time today. My main reason for trying this is arthritis pain relief. Do you think I might tell a difference with only 1glass a day? I’m sure it will take some time.

    • Hi Gaye, I’m not totally sure, but please report back and let me know!

      I have joint issues as well and find that curcumin and collagen are very helpful. Definitely look into those if you don’t already take them.

    • Hi Merilyn! If you use agave, it won’t be keto anymore since agave is high in carbs and sugar. You can instead use a few drops of liquid stevia — that will make it a spicy lemonade. Enjoy!

Welcome! I’m Jessica.

On this blog, you’ll find delicious recipes to help you live an awesome low-carb and low-sugar life, one day at a time.

If you’re wondering what this whole “Forget Sugar Friday” thing means, you can learn about the meaning of the name here. Thanks for visiting!


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