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Do ketones pass through breast milk?

Do Ketones Pass Through Breast Milk?
The question of whether ketones can pass through breast milk is particularly relevant for breastfeeding mothers who are considering or currently following a ketogenic diet. As the popularity of low-carbohydrate, high-fat diets grows, understanding the implications for nursing infants becomes crucial.
Ketones and Breast Milk Composition
Ketones are produced by the liver during periods of low carbohydrate intake, such as when following a ketogenic diet. They serve as an alternative energy source for the body, particularly the brain. Research indicates that ketones can indeed be present in breast milk, although the extent and implications of this presence are still being studied.
A review of the current literature suggests that while ketones can be detected in breast milk, the levels are generally low and may vary based on the mother’s dietary intake and metabolic state. This means that if a breastfeeding mother is in a state of ketosis, it is likely that her breast milk will contain some ketones, albeit in small amounts.
Safety and Effects on Infants
The presence of ketones in breast milk raises questions about safety and potential effects on infants. Current evidence suggests that moderate levels of ketones are not harmful to breastfeeding infants. In fact, some studies indicate that infants can utilize ketones as an energy source, which may even be beneficial in certain contexts. However, extreme levels of ketones, as seen in cases of lactation ketoacidosis, can pose risks. Lactation ketoacidosis is a rare but serious condition that can occur in breastfeeding mothers who are on very low-carbohydrate diets, leading to metabolic imbalances.
Guidance for Breastfeeding Mothers on Keto
For mothers considering a ketogenic diet while breastfeeding, it is essential to approach this dietary change with caution. Experts recommend monitoring both maternal health and infant development closely. Ensuring adequate nutrition and hydration is vital, as is consulting with healthcare providers to tailor dietary choices that support both the mother’s health and the infant’s needs.
In summary, while ketones can pass through breast milk, the levels are typically low and not considered harmful in moderation. However, breastfeeding mothers should remain vigilant about their overall health and the potential impacts of their diet on their infants.

How does ketosis affect milk production?

An excessive NEB usually leads to ketosis, which can result in decreased milk production, rapid weight loss, dry faeces, less rumination (11), reduced reproductive performance (28), and increased risk of other illnesses, such as fatty liver, displaced abomasum, and metritis (23).

Will a splash of milk break ketosis?

“While small amounts of milk may be acceptable on a keto diet, it is generally high in carbs and should be consumed in moderation,” says Winnifred, adding that if milk is included in a keto diet, choose one of the low-carb varieties discussed in the previous section, such as almond milk or coconut milk.

How can I do keto without losing my milk supply?

Just make sure you eat enough calories and drink enough water to sustain your milk supply. Breast milk is all fat, so Keto works well for that. Your doctor will tell you to eat an extra 500 calories a day, but you may need as many as 1000, depending on your body and your baby.

What cancels ketosis?

Eating more than 50 grams of carbs may disrupt ketosis.
With keto diets, however, carb restrictions vary from person to person.

Are ketones safe while breastfeeding?

Why You Should Avoid the Keto Diet While Breastfeeding. Low-carb diets can cause a breastfeeding mother’s body to release ketones that could pose risks for a baby. Ketones are chemicals made when the body does not have enough insulin in the bloodstream.

Can ketones affect baby?

Ketones do cross the placenta to the baby and there is some concern that a large amount can affect the baby’s cognitive abilities. Occasional traces of ketones in your urine with no other symptoms is usually OK. However, consistently high ketone readings or symptoms of excess ketones could affect your pregnancy.

What substances are passed through breast milk?

During breastfeeding, it is important for a woman not to consume alcohol, smoke, or take drugs. These substances are known to pass through the breast milk. This information can help mothers to understand better about the consequences of smoking, using drugs, and drinking alcohol during pregnancy.

Is it okay to not eat carbs while breastfeeding?

In conclusion, carbohydrate restriction during lactation may be harmful to the lactating woman and contribute to the state of lactational ketoacidosis, but infant outcomes are mainly a change in feeding patterns.

Does milk break ketosis?

Yes, even small amounts of cow’s milk contain lactose, a type of sugar that can raise blood glucose levels and potentially kick you out of ketosis. For a keto-friendly option, consider using unsweetened almond milk or heavy cream in your coffee instead.

Can I do a sugar detox while breastfeeding?

Studies show that excess sugar consumption can affect the nutritional availability of breast milk, thereby risking the growth and development of your baby. That’s why quitting sugar with the 8-Week Program is not only safe, but it’s also good for you and your baby.

Natasha Lunn

Tash is an IBCLC and Business Coach helping fellow IBCLCs create fun, profitable businesses that are more than just an expensive hobby. Before becoming an IBCLC and starting her private practice - The Boobala, Tash graduated as an Osteopath in 2008 and has been in Private Practice in South West Sydney. She was also a volunteer Breastfeeding Counsellor and Community Educator with the Australian Breastfeeding Association for 6 years. Through her business, Your Lactation Biz, Tash coaches and creates products to help new and seasoned IBCLCs build businesses that suit their personality and lifestyle.

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