Study: Milk More Hydrating Than Water, Beneficial in Summer Months

Feature and Cover Study Milk More Hydrating Than Water Beneficial in Summer Months

A recent study suggests that milk, due to its unique nutritional composition, can provide greater hydration than water under certain conditions.

When it comes to staying hydrated, water often appears to be the unrivaled choice. However, a recent scientific study indicates that there might be an equally beneficial alternative: milk. This revelation comes from the University of St. Andrews in Scotland, where researchers compared various beverages on their ability to retain fluids in the body. Notably, both whole and skimmed milk topped the hydration charts, sometimes surpassing mineral water.

The study, published in the American Journal of Clinical Nutrition, delved into why milk appears to have higher hydration properties than water. The nutrients naturally present in milk—sugars, proteins, and fats—play a critical role in this process. These components help slow down the stomach’s emptying process, thereby allowing the body to retain fluids for a longer period.

While water remains the go-to for daily hydration, milk could be a superior option in certain scenarios. Consuming milk after intense physical activity can help replenish lost fluids and nutrients efficiently. Similarly, children and the elderly, who may require more comprehensive hydration, can benefit from milk’s properties. In situations of mild dehydration, milk’s ability to retain fluids could be particularly advantageous. Nevertheless, milk should complement water consumption rather than replace it.

Consumers should exercise caution, as milk isn’t suitable for everyone. Individuals with lactose intolerance or specific digestive disorders should consult a healthcare professional before increasing their milk intake. Plant-based alternatives like soy or oat milk may serve as a compromise, but these do not match the hydration efficacy of cow’s milk.

Despite its potential, milk should not be misconstrued as a standalone substitute for water but rather a strategic supplement under certain conditions, according to the study.

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