When building emergency food supplies, experts say adults should plan for about 1,500 to 2,500 milliliters of fluid intake per day, regardless of the weather. That hydration can come from bottled water as well as from fluid rich canned foods if water access is limited.
For residents concerned about stockpiling shelf-stable items, nutrition specialists note that canned foods can fit into a healthy diet. According to Dr. Gill, there is little nutritional difference between canned and fresh foods when it comes to macronutrients such as carbohydrates, protein, fats, and fiber, along with fat-soluble vitamins like vitamins A and E, and minerals.
Emergency food supplies can include canned options
Some vitamins, including B and C, may be lower in canned products because heat used during processing can reduce those levels. Even so, Dr. Gill says these items remain a useful source of micronutrients and can play a practical role in a preparedness pantry for Hawaiʻi households.
For island families planning ahead, consider balancing bottled water with hydrating canned foods such as fruits packed in juice, vegetables, and soups, while rotating stock regularly and checking expiration dates.
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