The keto diet is a low-carb, high-fat approach to weight loss that is challenging to maintain. As a result, keto supplements have been created to help boost energy, burn fat and lose weight. One such supplement is keto beta-hydroxybutyrate (BHB) oil capsules, which claim to help the body reach ketosis, maintain energy levels, curb appetite, hydrate, and minimize keto flu symptoms. While these supplements are marketed as a quick fix for non-keto-friendly meals, there is limited research on their effectiveness for weight loss.
Characteristics | Values |
---|---|
Purpose | To help reach ketosis, maintain energy levels, curb appetite, hydrate, and minimize keto flu symptoms |
Form | Capsules |
Active Ingredients | Ketone beta-hydroxybutyrate (BHB) |
Effectiveness | May aid weight loss by increasing energy and curbing appetite, but there is limited research to support this |
Side Effects | May cause stomach upset, diarrhea, constipation, and stomach pain, especially at high doses |
Precautions | Possibly safe when taken as a single dose of 380 mg/kg; not recommended for pregnant or breastfeeding women |
Dosage | Easy, adjustable dosing; manufacturers recommend up to three servings per day |
Cost | A two-week supply may cost $50 or more |
What You'll Learn
- BHB is a chemical that the body produces during fasting or low-carb, high-fat diets
- BHB is one of three ketones produced during ketosis
- BHB is an energy source for the body, including the brain
- BHB may have a positive impact on cognitive function
- BHB may have a negative impact on the body if consumed in high amounts
BHB is a chemical that the body produces during fasting or low-carb, high-fat diets
BHB, or beta-hydroxybutyrate, is a chemical that the body produces during fasting or low-carb, high-fat diets. It is one of three ketone bodies produced during ketosis (the other two are acetone and acetoacetate). BHB is present in significantly higher quantities in the blood than the other two.
When the body is deprived of carbohydrates, it uses fat as energy. During the digestion of this fat, the body produces by-products called ketone bodies and enters a state called ketosis, where fat is used as fuel instead of carbohydrates.
Ketosis is a challenging state to maintain, as even one snack can cause a person to slip out of it. This is where exogenous ketones come in. Exogenous ketones are forms of BHB that the body usually creates on its own, but they can also be taken as supplements. These supplements are marketed as a quick fix for people who want to enter ketosis without following a low-carb diet.
Exogenous ketones can be found in powdered ketone salts or ketone esters. Ketone esters are the purest form of ketones and the most effective, but they are also more expensive and have a strong flavour profile. Ketone salts are usually made up of ketones bound to sodium, which can be dangerous for people with high blood pressure.
While exogenous ketones can help the body enter ketosis, they will not cause weight loss on their own. In fact, some evidence suggests that they may even hinder it. This is because, if ketone blood levels become too high, the blood can become dangerously acidic. To prevent this, the body has a feedback mechanism that slows down ketone production. As a result, taking ketone supplements may prevent body fat from being used as fuel.
Additionally, ketone supplements are not recommended for weight loss because they are a source of calories and are not ketogenic. They also have side effects such as nausea, diarrhoea, and stomach discomfort.
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BHB is one of three ketones produced during ketosis
Beta-Hydroxybutyrate (BHB) is a ketone body produced from fat by the liver for energy when glucose is not available. It is one of three ketones (along with acetone and acetoacetate) that the body produces during states of fasting or through low-carbohydrate, high-fat diets. BHB is present in significantly higher quantities in the blood than the other two ketones.
During ketosis, the body uses stored fat as its primary energy source instead of glucose. Fat is broken down and BHB is formed, providing an alternate energy source for the body and brain. BHB can cross the blood-brain barrier, resulting in easily accessible energy for the brain and muscle tissues.
BHB is a naturally occurring molecule produced by the body during ketosis, but it can also be made in a lab and taken as a supplement. These supplemental BHB salts can be taken to reach a state of ketosis more quickly. However, it is important to note that the body seeks to maintain an even level of ketones to prevent a toxic buildup in the bloodstream. When the body senses high levels of ketones, the liver stops producing them and will try to flush out the excess in urine, a process called ketonuria.
While BHB supplements are available, there is limited research on their efficacy, and they may not be necessary for achieving ketosis. A registered dietitian cautions that these supplements are often expensive and may be harmful to the liver, which has to process them. Additionally, the Food and Drug Administration (FDA) does not approve dietary supplements, so there is a chance that what is listed on the label may not be accurate, and products may contain heavy metals or other contaminants.
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BHB is an energy source for the body, including the brain
Beta-hydroxybutyrate (BHB) is a ketone body that the body can use for energy. It is one of three ketone bodies produced by the body when it is running on fat instead of carbohydrates. The other two are acetoacetate (AcAc) and acetone. BHB is the most abundant of the three, making up to 78% of total ketones in the blood.
BHB is a clean and effective fuel for the body. It has several advantages over glucose, which is the other main energy source for the body. BHB optimises gene expression, supercharges cognitive function, kills inflammation, fights oxidative stress, increases lifespan, helps fight and prevent cancer, boosts insulin sensitivity, and optimises heart function.
BHB is also beneficial for skeletal muscle, especially during exercise. It can improve performance and recovery, increase fat loss, and replenish glycogen stores.
The body can use two forms of BHB: endogenous and exogenous. Endogenous BHB is produced by the body itself, while exogenous BHB is a supplement that can be taken to kickstart ketosis. Exogenous BHB is typically in the form of BHB salts or ketone esters. BHB salts are a mix of mineral salts such as potassium, calcium, sodium, or magnesium, or amino acids like lysine and creatine. Ketone esters are the raw form of BHB but are expensive, taste terrible, and can affect the gastrointestinal system.
Exogenous BHB is safe and can be beneficial for people with diabetes or those who are fasting. However, it is important to monitor insulin levels as high levels of BHB can lead to diabetic ketoacidosis, which can be lethal.
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BHB may have a positive impact on cognitive function
Beta-hydroxybutyrate (BHB) has been found to have a positive impact on cognitive function. BHB is a ketone body that is released from the liver during starvation, when blood glucose concentrations are low, to maintain energy homeostasis. It is used by skeletal muscle to provide energy for its activity.
Recent studies have shown that BHB can improve cognitive function in both animal models and humans. In one study, BHB was found to increase cell viability and brain-derived neurotrophic factor expression levels in C6 cells, and endurance exercise was found to increase muscle BHB concentration in aged mice. Furthermore, the BHB concentration was positively correlated with skeletal muscle and cognitive function.
Another study found that BHB improved cognitive impairment in chronic cerebral hypoperfusion (CCH) rats by reducing hippocampal blood-brain barrier (BBB) damage and mitigating neuroinflammation.
While the research on the effects of BHB on cognitive function is still ongoing, the current evidence suggests that it may have a positive impact.
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BHB may have a negative impact on the body if consumed in high amounts
Beta-hydroxybutyrate (BHB) is a chemical that is produced by the body and can also be made in a laboratory and taken as a supplement. While BHB has been found to have several health benefits, it may have a negative impact on the body if consumed in high amounts.
BHB is generally considered safe when taken as a single dose of 380 mg/kg. However, some people might experience stomach upset, diarrhea, constipation, and stomach pain when consuming very high doses. There is limited information on the safety of BHB when more than one dose is used.
Additionally, BHB salts, which are ketones bound to minerals, can be dangerous for people with high blood pressure as they are usually made up of ketones bound to sodium.
Furthermore, BHB may cause stomach distress, with some products causing gastrointestinal issues. It is recommended to start with a small dose and gradually increase to allow the body to adjust.
Overall, while BHB can provide several health benefits, consuming high amounts may lead to negative side effects, and it is important to consult a healthcare professional before taking any supplements.
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Frequently asked questions
Keto BHB capsules are not weight loss pills. However, they can aid in your weight loss journey by giving you the physical energy to exercise effectively and the mental energy to make great food choices.
Some people might experience stomach upset, diarrhea, constipation, and stomach pain when taking BHB. These side effects are more likely to happen when very high doses are used.
BHB is a chemical that is made by the body and provides energy when not enough carbohydrates or sugars have been eaten. BHB can also be made in a lab and taken as a supplement.
Manufacturers of keto supplements recommend taking up to three servings per day.