Best Keto Supplements: Exogenous Ketones for Weight Loss

(Last Updated On: January 11, 2022)

There are a plethora of ways to scale down your weight, and one of the trendy options to lose weight is — the use of dietary supplements. That’s right! Well, speaking of dietary supplements, there’s a certain type that’s taking the world by storm. We’re talking about the keto supplements!

But let’s face it…

No two supplements are created the same. So, it’s always advisable that you do your research first before purchasing these supplements. With plenty of keto supplements available out there though, finding a safe and effective one can be as challenging as losing weight.

To save you this hassle, we’ve done thorough research to bring you only the best keto supplements.

Before we get into reviewing the specifics of each ketone supplement, it is best to touch on a few areas below:


What is a Ketogenic Diet?

A Ketogenic diet, also known as a Keto diet, is basically a very low carb diet that induces the production of ketones in the liver to be used as fuel throughout the body.

Here’s how a keto diet works…

Since glucose is the primary source of energy in the body, it means fats are more often than not stored— especially when you are on a higher-carb diet. Lowering the number of carbs consumed will force the body to switch its fuel supply to run entirely on fat, through ketosis.

The goal of a ketogenic diet is to drive the body into a metabolic state, where the insulin levels are low that it becomes a lot easier to access the stored fats and naturally break them down to ketones. If properly maintained, this diet will dramatically increase fat burning, and effectively bring about weight loss among other health benefits.


Related: 9 Reasons You Aren’t Losing Weight On The Keto Diet


Why Use an Exogenous Ketones supplement?

An exogenous ketones supplement is a great tool to help you get into a state of ketosis more efficiently, yet safely without having to wait until your body runs out of glucose. Also, it can boost your energy levels while you are in ketosis, and sustain ketosis as well.

Ketosis can help you achieve your fitness goals through a variety of ways such as increasing the burning of fat, regulating hormones, suppressing appetite, and regulating blood sugar levels.

Without further ado, let’s have a look at the best keto supplements on the market today.


#1  KetoPower BOOST

Keto supplements

KetoPower Boost tops our list and is definitely the best keto supplement on the market. It is made by HealthyGen who is popular for creating the world’s best ketogenic supplements, and at the top of our list is KetoPower Boost. This product has been proven to provide your body with a rapid supply of Beta-Hydroxybutyrate (BHB) salts to utilize and raise the ketone levels instantly (within 20 minutes).

We love this exogenous ketones supplement because it’s designed with only natural, premium quality ingredients that are clinically proven to give the desired results. With Core BHB, you can effectively expedite the transition from a higher-carbohydrate diet to the ketogenic diet and fully enter ketosis.

The natural & sweet flavor in the supplement plays a crucial role in helping you feel satisfied and stave off cravings. So even if you are not on the keto diet, using KetoPower Boost can help you mimic the effects of your body being in the nutritional ketosis state.

The ketosis resulting from consuming KetoPower can last for at least 8 hours, and you get to enjoy a whole lot of benefits.


  • Boost energy and endurance
  • Enhanced cognitive function
  • Increased athletic performance
  • Increased fat-burning and supports lean muscle tissue
  • Promotes healthy blood sugar levels


What are people saying about KetoPower Boost?

Based on the several customer reviews online, we can confidently tell that there’s a lot of love for BioKeto Core BHB as it delivers on its promises.


Are there any side effects of taking KetoPower Boost?

Since BioKeto Core BHB is formulated from all-natural ingredients, it works safely with no side effects. However, you’re always advised not to exceed the recommended dose. And before using this product, make it your duty to consult a healthcare professional  especially if you are pregnant, nursing, or have any medical conditions.



  • Contains no fillers
  • High-quality keto supplement
  • Faster ketosis
  • Reasonably priced
  • Made in the USA
  • Easy to use the supplement
  • Comes with a 90-day money-back guarantee
  • Naturally flavored and sweetened for an amazing taste


  • Only available online



#2 Perfect Keto Base Exogenous Ketone

Best Keto Supplements

Next on our list of best keto supplements is Exogenous Ketone Base by Perfect Keto. Well, Perfect Keto Base is designed for those on a ketogenic diet and looking to get into ketosis faster, or whoever may be struggling to get into ketosis after carb intake.

Perfect Keto Base is a blend of high-quality ingredients, which are exhaustively tested for quality, purity, as well as effectiveness. The product contains 11.38g of beta-hydroxybutyrate with magnesium and calcium salts, which are proven to be easy on your Gastrointestinal Tract system. The cocoa powder, monk fruit, and stevia leaf powder are just for flavor.

The supplement works by raising blood ketone levels up to 1.5 mmol, thus providing the same benefits that endogenous ketones naturally offer. Some of the benefits include increased energy levels, appetite control, accelerated weight loss, improved mental performance, and athletic endurance. The supplement has also been shown to promote sustained ketosis, which helps support healthy weight management.

Unlike most exogenous keto supplements out there in the market, Perfect Keto Base has no fillers, binders, gums, carbs, and sugar. This is a bonus!



  • Contains zero additives
  • Absolutely easy to use
  • Very effective to get you into ketosis
  • Affordable exogenous ketone supplement
  • Comes with a money-back guarantee
  • Expertly made in the USA
  • Comes in different amazing flavors ( sea salt, peaches & cream, coffee, vanilla)
  • Tastes great



  • May cause some stomach discomfort to some people
  • Can only be purchased online


How to use Perfect Keto Base

The Perfect Keto Base bottle provides 15 servings, and the recommended dose for each serving is 14 grams. To get the most out of the supplement, try to mix a scoop with water, almond milk, coconut milk, coffee shakes, or simply a low or no-carb drink.

For fat burning, drink it in the morning or between meals. If you take it on an empty stomach, you’ll enjoy an increased mental output and sharper focus. To perform better in your workout, use a scoop before you start working out to increase energy and endurance. For ketosis, take the supplement after a carb diet.


Are there any possible side effects of Perfect Keto Base?

Although this is a safe keto supplement with no reported side effects, it is generally recommended that you consult with your physician before you start using any new dietary supplement. Nevertheless, pregnant/nursing mothers, those under medication, or have a pre-existing or suspected medical condition shouldn’t use this product. Also, you should discontinue using it 2 weeks prior to surgery.


Perfect Keto Base Pricing & Where to Buy It

Perfect Keto Base exogenous ketones supplement costs $59.00 and you can order it directly from the manufacturer’s site.

See this product on Amazon


Related: Best Meal Replacement Shakes for Weight Loss, Keto Diet, on a Budget and more


#3 KetoForce


KetoForce is an excellent keto liquid supplement that contains high-quality, unflavored, and unsweetened beta-hydroxybutyrate in potassium and sodium salt form. The supplement is suitable for anyone that wants to optimize their mental or physical performance.

When taken on a low-carb diet, KetoForce helps boost the levels of blood ketones for up to 3 hours after consumption. The main benefit of using this product is that — it allows the body to burn fat in substitute of glucose while increasing energy levels at the same time, and this help achieve a better endurance performance. It can decrease the amount of oxygen use at a certain power output, especially when taken an hour before workouts.

There are other benefits you’ll get to enjoy such as improved mental focus and reduced negative symptoms associated with adapting to a keto diet.



  • Quick ketosis
  • Gluten-free
  • Contains no artificial flavors
  • No animal by-products
  • No preservatives
  • Manufactured in the USA
  • Cost-effective
  • Extremely easy to use



  • No returns are accepted after purchase
  • Available online only
  • Need to take it with acidic drinks
  • Unpleasant taste


KetoForce Side effects

According to customer reviews, KetoForce can cause Gastrointestinal upset to those individuals that are taking for the first time. However, the effects are temporal and last for a couple of hours.


KetoForce Dosage and How to Use

One bottle of KetoForce has 480 ml, which is equivalent to about 16 30cc servings. If you’re in the initial
stages of a keto diet, make sure to take this exogenous ketone supplement 3 times for the first 2-3 days. This is an excellent way to accelerate ketosis and ease metabolism transition. However, don’t exceed 3 servings per day. You can consume the product once per 24 hour period when you get into ketosis.

Since KetoForce has an alkaline PH 10-11, you are therefore advised to mix it with an acidic beverage before consumption. And in line with that, we recommend mixing it with grapefruit juice and diet lemonade



If you’re pregnant, nursing, diabetic, or have a pre-existing medical condition, be sure to consult your physician or doctor before consuming the product.


Where to buy

The current price for KetoForce is $59.99, and the product can be purchased online via the manufacturer’s website.

See this product on Amazon


#4 KetoFire by Dr. Axe

Keto Fire supplement

Formulated by Dr. Axe, KetoFire is an exogenous keto supplement designed to drive you into the fat-burning zone to lose weight whilst boosting mind and muscle power.

It does not only feature the basic beta-hydroxybutyric (BHB) salts but also specially selected herbs
and spices (organic ashwagandha, black pepper, ginger), collagen peptides and organic coffee cherry extract. The ingredients are expertly formulated to provide you with an immediate dependable source of exogenous ketones, antioxidants, and MCTs.

KetoFire supplementation will unlock the following set of benefits:

  •  Increased metabolic rate and healthy weight management
  • Improved mental focus and cognitive performance
  • Increased energy levels to work out and achieve fitness goals


30 servings are provided for each container and the recommended dose per day is 6 capsules with at least 8 ounces of water. You can also take it with a low or no-carb beverage, as well as with or without food. But, do not take more than the recommended dose!



  • Uses all-natural, organic ingredients and herbal extracts
  • Hefty servings ( 6 caps at once)
  • Straightforward to use
  • Affordable exogenous keto supplement
  • 60-days money-back guarantee
  • Contains no additives



  • Contains caffeine that may be high for other people


Any KetoFire Side Effects?

Fortunately, there are no side effects reported so far. Just as with other dietary supplements, pregnant & nursing mothers and those under medical supervision will need to consult their healthcare providers before using KetoFire.


Pricing and Where to Buy KetoFire

Well, the product is available online and in retail stores. A bottle of KetoFire will cost you $59.95 when you buy from the Dr. Axe store. The prices are roughly the same as when buying from their authorized retail stores.

See this product on Amazon


#5 Pruvit Keto OS 

Keto OS


Pruvit is one of the best exogenous ketones supplements, which is lauded by customers for its effectiveness in helping them reach ketosis faster. It allows you to get those exogenous ketones into your meals more conveniently.

Unlike the many exogenous ketones supplements, Pruvit Keto OS elevates blood ketone levels without necessarily following a restrictive ketogenic diet, which is often challenging for most people.

Well, the magic ingredients responsible for a lot of benefits in Pruvit Keto OS are beta-hydroxybutyrate (BHB) salts, MCT oil, Caffeine, L-Taurine, and Stevia used as a sweetener.

Benefits of Pruvit Keto OS

  • Suppressed appetite
  • A sustainable boost in energy
  • Enhanced cognitive ability
  • Curbs fat gain on the abdominal area
  • Increased energy strength
  • Improved physical performance


How to use Pruvit Keto OS

Mix a spoonful of Pruvit Keto OS with 12 to 16 oz. of cold water. For first time users, you’ll need to take small doses to allow your body to effectively adjust to the changes and reduce the symptoms of keto flu.



  • Available in 4 different flavors (chocolate swirl, raspberry lemonade, swiss cacao, Maui punch, and orange dream)
  • Comes packed in servings so using it is made easy
  • Comes with a 90-day money-back guarantee
  • Available in both caffeine and non-caffeine versions
  • Very easy to use


  • Pretty expensive
  • Not the best taste to look forward to
  • Contains high sodium levels that may not work appropriately for some people


Side effects of Pruvit Keto OS

While the supplement is safe for consumption, some customers say that they experienced stomach discomfort, headache, and frequent urination. Fortunately, these effects are nothing too crazy and will fade within no time. There are no severe side effects that have been reported yet.


Pruvit Keto OS Pricing

The price of this product will basically depend on the servings as follows:

15 servings (OTG) @ $85

30 servings (OTG) @ $160

30 servings (KAN) @ $144

60 servings (KAN 30 + OTG 30) @ $300

You can order this directly from the manufacturer’s official site or simply head to retail stores.

See this product on Amazon


Our pick: BioKeto — Core BHB

While all the above keto supplements work perfectly alright, we’d recommend Core BHB. This is by far the highest-quality exogenous ketones supplement that’s available at an affordable price. That’s right! It is
formulated exclusively with premium quality ingredients that are proven to deliver the promised results and can help you achieve your fitness goals.


Related: 9 Reasons You Aren’t Losing Weight on the Keto Diet



Our best keto supplements aren’t a replacement for a ketogenic diet. For the best results, keto supplements should be consumed along with a healthy ketogenic diet and regular exercises. And when using any dietary supplement, make sure to drink at least 64 ounces of water on a daily basis so as to promote hydration.