Water

Drinking ice water while eating can slow down digestion by causing blood vessels to constrict, which diverts the body's energy from digestion to regulating temperature. It may also solidify fats, making them harder to digest, and can potentially lead to stomach discomfort, bloating, and an imbalance of gut bacteria. Some sources suggest it can cause a shock to the digestive system and, for some individuals, temporarily affect heart rate and blood pressure. [1, 2, 3, 4, 5, 6]  

Effects on digestion and nutrient absorption 

• Slowed digestion: Cold water can constrict blood vessels in the digestive tract, which reduces blood flow and slows down the body's ability to digest food. [1, 2, 3]  

• Solidified fats: Cold temperatures can cause fats from foods to solidify, making them more difficult for the body to break down and absorb. [2, 4, 6]  

• Impaired enzyme function: Cold water may dilute digestive enzymes, potentially hindering their function and leading to bloating, cramping, or gas. [3]  

Effects on the body 

• Energy diversion: The body must use more energy to warm the cold water, which diverts energy away from the digestive process. [1, 2]  

• Muscle contraction disruption: Cold temperatures can interfere with the natural muscle contractions in the digestive system that move food along, potentially delaying stomach emptying and causing discomfort. [3]  

• Gut microbiome imbalance: Abruptly changing the stomach's temperature can disrupt the balance of good and bad bacteria in the gut. [3]  

• Heart rate and blood pressure: For some individuals, cold water may stimulate the vagus nerve, causing a temporary drop in heart rate. It can also lead to a temporary increase in blood pressure in some cases. [4, 6, 7]  

Recommendations 

• Choose room temperature or warm water: To promote optimal digestion, consider drinking room temperature or warm water instead of ice-cold water with your meal. [1, 2]  

• Drink water between meals: Some experts suggest drinking water between meals instead of during them to avoid diluting digestive juices. [2, 3, 8]  

• Sip slowly: Sipping warm or room temperature water slowly at the beginning of a meal can prime your gut for digestion. [2, 9]  

AI responses may include mistakes.

[1] https://www.facebook.com/drtaniaelliott/videos/cold-water-can-impact-digestion-so-if-you-experience-bloating-shortly-after-meal/1039163471749091/

[2] https://www.facebook.com/groups/360384026576117/posts/821769130437602/

[3] https://www.youtube.com/watch?v=4jxUe56xAAU

[4] https://medium.com/@asoh3716/5-dangers-associated-with-drinking-cold-water-right-after-eating-c9b2f2fe95c3

[5] https://www.vinmec.com/eng/blog/what-happens-when-drinking-ice-cold-water-regularly-en

[6] https://www.youtube.com/watch?v=wxTUIHJ653Y

[7] https://svalbardi.com/blogs/water/cold-water

[8] https://www.1mg.com/articles/is-drinking-water-during-meals-good-or-bad/

[9] https://www.droracle.ai/articles/61986/coming-cause-for-early-morning-nausea-feeling-while-drinking-water-in-a-otherwise-normal-person-who-takes-alcohol-twice-a-week-and-eats-oily-food-

Henry McClure  
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