To counteract this, leading brands employed remineralization filters, adding back essential electrolytes like potassium and sodium. Conversely, purified water, which undergoes processes like reverse osmosis or distillation, starts with a blank slate.
2018 Bottled Water Certification Checklist: Ensuring Purity and Essential Minerals
Reverse osmosis (RO) emerged as the gold standard for filtration, capable of removing up to 99% of dissolved solids, including heavy metals and pharmaceutical residues. With the market flooded with options ranging from artesian spring water to electrolyte-enhanced varieties, consumers needed clear guidance to find water that genuinely supported their health.
The healthiest bottled water maintained extremely low parts-per-billion (ppb) levels for these elements, ensuring the water served as a pure source of hydration rather than a vector for chemical exposure. While the FDA regulates bottled water as a food product, setting forth guidelines for contaminants and bottling practices, some brands voluntarily adhere to the even more rigorous standards of the International Bottled Water Association (IBWA).
2018 Bottled Water Certification Checklist: Ensuring Purity and Safety
Natural mineral water, defined by the FDA as containing at least 250 parts per million (ppm) of total dissolved solids (TDS), provided magnesium, calcium, and potassium essential for bodily functions. Essential Minerals and Electrolytes Beyond the absence of toxins, the healthiest bottled water in 2018 was characterized by a beneficial mineral profile.
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