The process of breastfeeding increases energy expenditure, similar to the course of pregnancy. It is typically stated that 1 ml of breast milk represents approximately 3 kJ, meaning that in a full breastfeeding regimen, you can expect an expenditure of about 2,500 kJ. This is a relatively higher value, so in practice, it is advisable to consider it when setting the energy balance. On the one hand, it is a natural process of weight reduction after childbirth; on the other hand, in situations where the mother has no extra weight, is of a very slender build, and it is not desirable for her to lose weight, it is beneficial to add this amount to her energy intake.
In the field of professional nutritional counseling, there should be no experts today doubting the body's ability to influence the composition of breast milk through diet. It is a natural process by which compounds from the mother's diet, such as aromatic substances, are transferred into breast milk, shaping the child's taste preferences. Each child responds differently, which is determined by the individual's sensitivity.
You will commonly encounter similar claims attempting to refute proven information, often as part of marketing strategies designed to increase visibility and attention—be cautious about the sources of the information you use in this regard. If someone advises you not to eliminate foods without reason, the best way to adopt the correct approach is to gain personal experience. I fear that the vast majority of breastfeeding mothers will not be overjoyed to discover the impact that consuming spicy types of seasoning can have on their offspring...
Questions answered by
Mgr. Martin Jelinek
Lecturer and author of the educational system
Nutrition educator, lecturer, and author of the educational system and the ZOF learning application.
Mgr. Martin Jelínek has been systematically involved in nutrition education since 1999. He is the founder of ATAC, the educational company behind NutriCourses, and the author of an educational system focused on nutrition, healthy lifestyle, and the practical application of nutrition knowledge.
He graduated from the Faculty of Science at Masaryk University in Brno. Throughout his professional career, he has combined nutrition, education, and the practical application of acquired knowledge. His educational system also includes the ZOF (Zone of Optimal Functioning) learning application, where students turn theory into practical work with meal plans.
In 2007, he launched the first intake of a six-month course focused on the education of nutrition advisors. Over time, this course became the foundation for the further development of the educational system and a range of specialised courses.