What Exactly Is Smartwater?
Smartwater is a brand of bottled water owned by Coca-Cola, but its origins are far less exotic than the brand’s marketing might suggest. The water is sourced from municipal supplies, much like tap water, before undergoing a specific and energy-intensive purification process. This method, known as vapor distillation, involves boiling the water and collecting the resulting steam. This strips the water of nearly all dissolved minerals and impurities. Afterwards, a proprietary blend of electrolytes is added back into the water, primarily for taste.
The Role of Electrolytes
The electrolytes added to Smartwater include calcium chloride, magnesium chloride, and potassium bicarbonate. Electrolytes are essential minerals that play a critical role in many bodily functions, including maintaining fluid balance, supporting nerve and muscle function, and regulating blood pressure. However, the key to understanding Smartwater's health claims lies in the amount of these electrolytes. The quantity added to Smartwater is primarily for creating a clean, crisp taste and is nutritionally insignificant for most people. Your body primarily gets its essential minerals from a balanced diet, not from a trace amount added to bottled water.
Smartwater vs. The Alternatives
For the vast majority of the population, regular tap water is a perfectly healthy and sufficient way to stay hydrated. In developed countries, tap water is highly regulated and tested for safety and quality, often more so than bottled water. The added electrolytes in Smartwater offer no substantial health advantage for someone living a normal, moderately active lifestyle. The premium price for Smartwater essentially pays for the distillation process, the plastic bottle, and the marketing, not for a superior health product. For those concerned about tap water taste or specific impurities, home filtration systems offer a more economical and environmentally friendly solution.
When Enhanced Water May Be Useful
There are specific scenarios where enhanced water could be beneficial, such as for endurance athletes who lose significant amounts of electrolytes through sweat during prolonged, intense exercise. In these cases, a sports drink specifically formulated to replenish lost minerals and energy might be more appropriate. For most people, simply hydrating with tap water is sufficient. The Mayo Clinic confirms that for those with mild to moderate dehydration from general illness, drinking more water or electrolyte-fortified water can be beneficial, but full-strength sports drinks are often unnecessary and sugary. For most people's health needs, proper hydration can be achieved without the hefty price tag. For more detailed information on treating and preventing dehydration, you can consult reputable sources like the Mayo Clinic.
Environmental and Cost Considerations
Beyond the health aspects, the environmental impact of bottled water is a significant concern. The production, packaging, and transport of bottled water contribute to plastic waste and a larger carbon footprint compared to drinking from the tap. By choosing reusable bottles and drinking filtered tap water, consumers can reduce their environmental impact. The cost difference is also stark. Smartwater's premium pricing makes it far more expensive per gallon than tap water or even many home filtration options.
Comparison Table: Smartwater vs. Tap Water
| Feature | Smartwater | Tap Water | 
|---|---|---|
| Source | Vapor-distilled municipal/spring water | Local municipal water supply | 
| Purification | Multi-step distillation, filtration, re-mineralization | Filtration, disinfection, regular testing by local authorities | 
| Electrolytes | Added for taste (calcium, magnesium, potassium) | Naturally occurring, quantity depends on local source | 
| Health Benefit | Minimal for average person; marketing-driven | Sufficient for daily hydration needs | 
| Cost | High premium price | Very low cost, pennies per gallon | 
| Environmental Impact | High (plastic bottles, transport) | Low (reusable bottle refills) | 
Making the Smart Choice for Hydration
Ultimately, whether Smartwater is the right choice for you depends on your priorities. If you prefer the specific taste profile created by its added electrolytes and are willing to pay the higher price for bottled water, then it's a safe choice. However, from a purely health-based perspective, the evidence does not support the idea that it is significantly healthier than standard tap water for the average person. The most health-conscious and environmentally friendly choice is often to invest in a quality home water filter and use a reusable bottle. This provides clean, great-tasting water at a fraction of the cost and with minimal environmental waste. Staying adequately hydrated is the key to good health, and how you achieve that is a matter of personal preference, not necessarily a premium brand choice.
A Final Word on Hydration
For most people, the decision between Smartwater and other options boils down to taste preference and budget. Don't be swayed by marketing that suggests a bottled water is inherently superior for your health. While the added electrolytes make it taste clean and crisp, the health advantages are negligible for most. The smartest choice for consistent, healthy hydration and for the planet is a reusable bottle filled with high-quality filtered tap water.