Related Experiment Video
Updated: Jun 16, 2026

07:38
Milk Collection in the Rat Using Capillary Tubes and Estimation of Milk Fat Content by Creamatocrit
Published on: December 16, 2015
Dairy beverages and energy balance.
Arne Astrup1, Jean-Philippe Chaput, Jo-Anne Gilbert
1Department of Human Nutrition, Faculty of Life Sciences, University of Copenhagen, Copenhagen, Denmark.
Physiology & Behavior
|February 16, 2010
Summary
High dairy calcium intake increases fecal fat excretion, potentially aiding weight management. Inadequate calcium may trigger hunger, hindering weight loss compliance.
Area of Science:
- Nutritional Science
- Metabolic Health
- Gastroenterology
Background:
- Observational studies link high dairy intake to lower obesity rates, but underlying mechanisms remain unclear.
- While dairy protein influences food intake, specific roles of dairy calcium require further investigation.
- Emerging research suggests calcium taste receptors in the gut may regulate appetite.
Purpose of the Study:
- To investigate the effects of dairy calcium on energy metabolism and fat excretion.
- To explore the role of calcium in appetite regulation and weight loss compliance.
- To synthesize evidence from intervention studies on dairy calcium and fat metabolism.
Main Methods:
- Controlled feeding studies comparing high- and low-calcium dairy diets.
- Analysis of 24-hour energy expenditure and substrate oxidation rates.
- Meta-analysis of intervention studies examining dairy calcium intake and fecal fat excretion.
Main Results:
- High-calcium dairy diets significantly increased fecal fat excretion by approximately 2.5-fold.
- A meta-analysis indicated a 5.2 g/day increase in fecal fat excretion for every 1200 mg/day increase in dairy calcium.
- No significant effects on 24-hour energy expenditure or substrate oxidation were observed.
Conclusions:
- Dairy calcium intake influences fat metabolism by increasing fecal fat excretion.
- Calcium signaling in the gastrointestinal tract may play a role in appetite regulation.
- Adequate calcium intake may be crucial for successful weight loss by preventing hunger and improving dietary adherence.
Related Concept Videos
Energy Balance
The human body gets energy from the three macronutrients: carbohydrates, proteins, and fats. Energy is released when the chemical bonds in the organic compounds present in the food are broken down. The energy content of food is measured in kilocalories (kcal), defined as the amount of heat required to raise the temperature of one kilogram of water by one degree Celsius. This value is determined by measuring the temperature change of the water surrounding a calorimeter after the complete...
Regulation of Food Intake
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
Sugars as Energy Storage Molecules
Sugar (a simple carbohydrate) metabolism (chemical reactions) is a classic example of the many cellular processes that use and produce energy. Living things consume sugar as a major energy source because sugar molecules have considerable energy stored within their bonds. Consumed carbohydrates have their origins in photosynthesizing organisms like plants. During photosynthesis, plants use the energy of sunlight to convert carbon dioxide gas into sugar molecules, like glucose. Because this...
Sugars as Energy Storage Molecules
Sugar (a simple carbohydrate) metabolism (chemical reactions) is a classic example of the many cellular processes that use and produce energy. Living things consume sugar as a major energy source because sugar molecules have considerable energy stored within their bonds. Consumed carbohydrates have their origins in photosynthesizing organisms like plants. During photosynthesis, plants use the energy of sunlight to convert carbon dioxide gas into sugar molecules, like glucose. Because this...
Fats as Energy Storage Molecules
Triglycerides are a form of long-term energy storage molecules. They are made of glycerol and three fatty acids. To obtain energy from fat, triglycerides must first be broken down by hydrolysis into their two principal components, fatty acids and glycerol. This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl-CoA, which is used by the Krebs cycle. The glycerol that is released from triglycerides after lipolysis directly...
Fats as Energy Storage Molecules
Triglycerides are a form of long-term energy storage molecules. They are made of glycerol and three fatty acids. To obtain energy from fat, triglycerides must first be broken down by hydrolysis into their two principal components, fatty acids and glycerol. This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl-CoA, which is used by the Krebs cycle. The glycerol that is released from triglycerides after lipolysis directly...
