With temperatures relentlessly exceeding 45 degrees Celsius across India, the Union Ministry of Ayush has issued an urgent public health advisory emphasising that plain water alone is not enough to beat extreme heat stress. According to gut health nutritionists and government health bodies, what you eat matters just as much as how much you drink. Indian kitchens already offer simple, effective solutions that have been outsmarting summer long before electrolyte sachets existed.

Coconut water tops the list of natural hydrators. According to nutritionists, when you sweat, you lose electrolytes like potassium, sodium, and magnesium. Coconut water contains around 600mg of potassium per cup, making it one of the most effective natural hydration drinks available. The Ministry of Ayush has labelled it nature's ultimate electrolyte drink.

Cucumber, or kheera, is 96 percent water by weight. Beyond hydration, it contains potassium, magnesium, fibre, and antioxidants that support fluid balance and digestion. Food-based hydration is absorbed more gradually than water, keeping you hydrated longer. Watermelon, 92 percent water, is rich in lycopene, which helps reduce oxidative stress from high heat. It also contains citrulline, which supports healthy blood circulation and helps move heat from the body's core to the skin.

Buttermilk, whether called lassi or chaas, hydrates, replaces salts lost through sweating, and contains live cultures gentle on the stomach. Basil seeds, or sabja, soaked in water for 15 minutes, swell into gel-like spheres that hold water in the system longer, creating sustained hydration. In Hyderabad, old-timers swear by the combination of nimbu paani and sabja for slow-release hydration.

The AYUSH advisory recommends several traditional drinks. Amra Prapanaka, or raw mango panna, is a classic remedy specifically used to prevent heatstroke. Nannari Paanagam, combining Indian sarsaparilla syrup with lime juice and soaked basil seeds, is another cooling Siddha drink. Bael sharbat, made from wood apple, cools the digestive system. Cooling water infusions with khus (vetiver), jeera, or coriander seeds are also recommended.

Acharya Balkrishna, co-founder of Patanjali, recently shared a simple three-ingredient summer drink made with sattu, honey, and water. According to him, the drink provides coolness, natural energy, and nutrition, keeping both body and mind refreshed. Other recommended snacks include falsa (Indian blackberry), munakka (raisins), and petha (ash gourd).

Health experts urge Indians to move away from sugary carbonated drinks and instead embrace these traditional, nutrient-dense alternatives. As the India Meteorological Department continues to issue heatwave alerts, incorporating these hydrating foods into daily meals could be the most effective defence against summer heat.