The keto diet is one of the best ways to lose weight and keep it off but getting and then staying in ketosis can be tricky. It takes anywhere from a few days to two weeks to reach ketosis. During that time, you’ll probably experience the symptoms of carb withdrawal – commonly called the keto flu. However, the payoff of achieving ketosis is faster fat burning, so it’s worth making the effort.
There are several things you can do that make getting and staying in ketosis much easier, including exercise, fasting, and closely monitoring your carb intake. Supplements called exogenous ketones can help too – and one such product is Pruvit Keto OS.
Exogenous ketones are ketones from an external source. They help trick your body into speeding up ketone production so that you enter ketosis sooner. As an additional benefit, they also provide a fast-acting source of energy, which makes them very useful for exercisers and people with active jobs and lifestyles. They may also help reduce the severity and duration of the symptoms of keto flu.
With so many exogenous products on the market right now, it can be hard to decide which one is right for you. They all promise to help you lose weight faster, but which ones really work?
In this review, we’ll lift the lid on Pruvit Keto OS to reveal whether it’s the right exogenous product for you.
What is Pruvit Keto OS
When you cut carbs from your diet, your body has no choice but to burn more fat for fuel. However, your brain and muscles cannot directly use fat for energy. In response to this problem, your body turns fat into ketones – a substance your brain and muscles can use for fuel.
Making the switch from fat to ketones takes time. Your body needs to use all its stored carbs and means there is a transition period between cutting carbs and entering ketosis. This is called keto induction.
During this time, your carb stores are running low, but your body has yet to start using ketones. Side effects of keto induction include headaches, nausea, fatigue, hunger, digestive upset, and brain fog.
Exogenous ketones “kick start” ketone production and provide your body with the fuel it needs as carbs start to run low. Many keto dieters find that getting and staying in ketosis is much easier when they use exogenous ketones.
Keto OS (short for Operating System) is Pruvit’s bestselling exogenous ketone supplement. The manufacturers claim that Keto OS can get you into ketosis in as little as 30 minutes. Pruvit Keto OS is a drink mix that also contains other keto-friendly nutrients such as MCT oil to make staying in ketosis easier. It is available in multi-dose containers or individual serving sachets.
What are the Ingredients
The most important ingredient in Pruvit Keto OS is Beta-Hydroxybutyrate or BHB for short. BHB is one of three primary ketones bodies produced during ketosis and used for energy in the absence of glucose. Elevated BHB levels have been shown to increase both physical and mental energy.
The ingredients in Pruvit Keto OS vary slightly from flavor to flavor.
Orange Dream:
- Beta-Hydroxybutyrate (ketone salts)
- MTC oil powder (medium chain triglyceride oil)
- Natural flavor
- Malic Acid
- Stevia extract
- Caffeine*
Other ingredients include ascorbic acid, milk ingredients, and a range of vitamins and minerals. *This product is also available without caffeine.
Chocolate Swirl:
- Beta-Hydroxybutyrate
- Amino acid blend (L-taurine, L-tyrosine, L-arginine, L-leucine)
- Natural flavors
- Inulin (chicory root)
- Potassium citrate
- Stevia
- Caffeine
Additional ingredients include ascorbic acid, butyrate, magnesium, and calcium.
The main ingredients in Pruvit Keto OS come in a patent-pending blend called the N8 bioavailability blend. In plain terms, this means they are designed to be digested and assimilated very quickly. Because of this, Pruvit claims that their product starts working in as little as 30 minutes.
How to use Pruvit Keto OS correctly
To get the most from Pruvit Keto OS, or any other exogenous ketone product for that matter, it is essential that you use it correctly. If you don’t follow the manufacturer’s instructions, you may find that you get far-from optimal results and end up wasting your hard-earned cash.
According to Pruvit, you should mix one heaped scoop (supplied) of Keto OS with 12-16 ounces of plain water. You should then stir the mixture until the powder is completely dissolved. Alternatively, you can put it in a smoothie shaker cup and shake vigorously.
Not a fan of plain water, even when it’s been flavored with Keto OS? Don’t worry, you can mix your exogenous ketones with any carb-free beverage. Good options include unsweetened coconut water, unsweetened almond milk, sugar-free sports drinks, or sugar-free iced tea. You could even add it to a homemade electrolyte drink.
For best results, you should take Keto OS twice per day, ideally first thing in the morning and then mid-to-late afternoon. Athletes and exercisers may benefit from taking Keto OS shortly before or even during training for a low-carb energy boost.
Needless to say, exogenous ketones won’t help you much if you are not being true to your keto diet. For Keto OS to offer any benefits, it is essential that you combine it with a solid low-carb diet and, if possible, a regular workout program too. To enter and maintain ketosis, even with exogenous ketones, you must consume less than 50 grams of carbs per day, and ideally between 20-30 grams. The rest of your calories should come from 70-80% dietary fat and 20-30% protein. If you do not adhere to the basic rules of keto dieting, exogenous ketones will not help you lose weight.
How does it Taste?
Drinking 12-16 fluid ounces of anything that doesn’t taste good could be enough to put you off even the best supplement – even if it works like a dream! The good news is that Pruvit Keto OS tastes quite pleasant.
While each flavor is obviously different, users report that Keto OS tastes sweet and that can be very welcome on the keto diet when sugar is off the menu. You can customize the flavor by mixing Keto OS with different beverages. For example, you could mix Chocolate Swirl with cold coffee to make a sugar-free, keto diet friendly Mocha – an excellent way to start your day.
The Benefits of Pruvit Keto OS
Taking exogenous ketones, especially Keto OS, offers several noteworthy benefits:
✅ May help you get into ketosis faster – cutting carbs can be tough. It takes time for your body to make the switch from using glucose for fuel to using ketones. Keto OS contains Beta-Hydroxybutyrate, one of the three main ketone salts. Taking Keto OS encourages your body to start producing ketones faster and in higher amounts. This will get you into ketosis more quickly. The sooner you are in ketosis, the sooner any symptoms of keto flu will vanish, and the faster you’ll start burning fat.
✅ More energy – your body uses ketones for energy when glucose is in short supply. Taking Pruvit’s exogenous ketones provides your body with a rapidly available source of energy. This will boost both mental and physical performance.
Keto OS also contains caffeine and medium chain triglycerides. Caffeine is a well-known energy booster, and MCT oil is easily broken down and converted into energy.
✅ Mental sharpness and focus – a lot of keto dieters complain about something called brain fog, especially during keto induction. Your brain normally uses glucose for energy, but, when you cut carbs, your brain won’t get the glucose it needs. As a result, you may feel foggy-minded and unable to focus as well as usual. Exogenous ketones can pass the blood/brain barrier to provide your brain with an alternative source of energy, restoring mental focus in the process. Starting your day with Keto OS could make you more mentally focused and productive.
✅ Reduced appetite – although the keto diet is well known for holding off hunger, even eating lots of fats and protein may leave you with an over-active appetite from time to time. If you give into hunger, you could end up delaying fat loss and even gaining weight. Supplementing your diet with exogenous ketones has been linked to a reduction in appetite and fewer cravings. This will make sticking to your ketogenic diet much easier.
✅ Reduced rate of mental decline – Pruvit Keto OS may help keep your brain functioning properly and ward off the ravages of diseases like dementia, Alzheimer’s, and Parkinson’s. Studies show that supplementing with exogenous ketones has helped improve mental function in people suffering from mild to moderate cognitive impairment. High-carb and high-sugar diets are frequently linked to inflammation, and that inflammation can wreak havoc on brain function. Switching to a low-carb diet and using exogenous ketones may be an effective way to reduce the rate and risk of mental decline.
✅ Shorter, less severe keto flu – keto flu is a common problem for low-carb dieters. It happens as your body makes the switch from using glucose for energy to using ketones. Lasting anywhere from a few days to two weeks, keto flu can leave sufferers feeling unwell and even unwilling to continue their low-carb diet. Exogenous ketones can help alleviate many of the symptoms of keto flu, making the transition into ketosis much more tolerable.
Potential risks and drawbacks of Pruvit Keto OS
Exogenous ketones are undeniably beneficial, but there may be some side-effects, risks, and drawbacks too. Make sure you consider the following before using Keto OS or any other exogenous ketone supplement.
‼️ Digestive upset – some users of Keto OS have reported stomach upsets, diarrhea, gas, and abdominal pain. If you experience any gastrointestinal distress, try using smaller servings, and only take one per day. Increase size and frequency gradually. Also, make sure you aren’t overloading on MCTs. Keto OS contains MCTs, and if you are also using a lot of coconut oil, you may be overdoing it.
‼️ Increased urination – taking exogenous ketones may increase urine output. Peeing more than usual could result in dehydration and may also be a source of inconvenience, especially at night. As your body uses ketones for fuel, ketone remnants are flushed out of your body. To avoid this problem, take your last serving of Keto OS during the mid-afternoon to avoid unwanted nighttime bathroom trips. Also, merely entering ketosis tends to increase urine output, so this reported side-effect may not even be the result of using exogenous ketones.
‼️ Bad breath – keto breath is a common side effect of ketosis. The higher the concentration of ketones in your body, the worse keto breath tends to be. Keto breath is caused by acetone, a byproduct of ketosis. The good news is that keto breath is a reliable indicator that your diet is working. On the downside, keto breath can affect how your food tastes and other people may notice it too. You can mask keto breath with sugar-free gum, and oil pulling may help too.
‼️ Taste – unflavored exogenous ketones don’t taste very nice. Some people even find that well-flavored exogenous ketone products like Keto OS taste unpleasant. Remember though, you can mix Keto OS with other carb-free beverages, and not just water. You may also find that you prefer one flavor over the others.
‼️ Cost – exogenous ketones can be expensive. To work effectively, you need to take them regularly and in the prescribed amounts. You won’t experience many benefits if you do not use them consistently and as directed. Before you start taking Keto OS, check that you can afford to use this product consistently and as recommended.
‼️ Complications with diabetes – when you cut carbs, your blood glucose levels should naturally decline. However, in diabetics, blood glucose levels are often elevated. Using exogenous ketones combined with elevated blood glucose levels could result in a dangerous condition called ketoacidosis. Because of this, if you are diabetic, you should consult your doctor before using Keto OS or any other exogenous ketone supplement.
‼️ Calories, carbs, and caffeine – Keto OS contains a few more calories and carbs than other popular exogenous ketone products. One serving contains about 3 grams of carbs and 110 calories, although most of these calories come from MCT oil. This is not excessive, but you still need to consider both the carbs and calories when calculating your nutrient intakes for the day.
While Keto OS is available without caffeine, the caffeinated version is very popular and provides a welcome energy boost. However, some people are very caffeine sensitive or otherwise prefer not to consume caffeine. Using caffeine too close to bedtime could prevent you from sleeping. Make sure you consider the caffeine content of Keto OS or use the caffeine-free version if you have any issues with this common stimulant.
Conclusion
The keto diet is one of the best ways to lose weight and burn fat. Most keto dieters report rapid weight loss and noticeable fat loss. The keto diet itself has been around for over 100 years and has been very popular for almost half a century. It’s been tried, tested, and shown to be both safe and effective.
Exogenous ketones can help make your keto diet even more effective. They can make getting into and staying in ketosis easier, give you energy, and also help alleviate many of the symptoms of the dreaded keto flu. Products like Pruvit Keto OS are designed to make the keto diet as easy and effective as possible.
However, even the best exogenous keto product will not work if you aren’t true to your diet. If you keep cheating and eating carbs, products like Keto won’t do much for you.
However, if you stick to your low carb diet, drink enough water, and get some exercise too, Keto OS can help make your low-carb diet even more effective. Do you have to use exogenous ketones to lose weight? Of course not! But, if you want to get the best possible results from your diet, they can definitely help.
The Review
Pruvit KETO OS
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Review Breakdown
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