Is Perrier Water Good for You? Benefits and Risks

Perrier, a naturally carbonated mineral water sourced from southern France, is a perfectly healthy drink for most people and a far better choice than soda or juice. It has zero calories, no sugar, and delivers a modest dose of minerals like calcium and magnesium. The real questions are in the details: whether the carbonation affects your teeth, your gut, or your appetite, and whether the plastic bottle it increasingly comes in introduces its own risks.

What You Actually Get in a Bottle of Perrier

Perrier is classified as a natural mineral water, which means its mineral composition comes from the underground source rather than being added during processing. A standard serving contains small but meaningful amounts of calcium (about 150 mg per liter), magnesium, bicarbonate, and sulfate. That calcium content matters more than you might expect. Research has found that calcium from mineral water is highly bioavailable, at least as bioavailable as the calcium in milk, meaning your body absorbs and uses it efficiently.¹ If you drink a liter of Perrier a day, that could supply roughly 15 percent of your daily calcium needs without any calories attached.

Perrier also contains sodium, though in relatively small amounts compared to some other sparkling mineral waters. A liter has around 9 mg, which is negligible in the context of most people’s diets. Some European mineral waters sold as “sparkling” contain far more sodium. A survey of 126 sparkling water brands across Europe found enormous variation in mineral content from brand to brand, so the health effects of “sparkling water” depend heavily on which one you’re drinking.²

Carbonation and Your Stomach

One of the most common concerns about sparkling water is that the bubbles will upset your digestion. The evidence here is more reassuring than alarming. A study that tracked gastric emptying found that carbonated water did not slow down how quickly food left the stomach compared to still water. It did shift where the food sat temporarily, pushing more of the meal into the upper part of the stomach during the early phase of digestion, but the overall emptying time was identical.³ That temporary redistribution may explain why some people feel fuller or more bloated right after drinking sparkling water, but it doesn’t translate to any meaningful delay in digestion.

As for acid reflux, the picture is more nuanced than the conventional wisdom that carbonation triggers heartburn. A systematic review found that while carbonated drinks can briefly lower the pH inside the esophagus and temporarily reduce the pressure in the valve between your esophagus and stomach, there’s no evidence that they directly damage esophageal tissue. Carbonated beverages have not been consistently shown to cause reflux-related symptoms.⁴ That said, if you already have active reflux, the transient pressure changes may be enough to trigger discomfort, so personal experience should guide your decision more than the population-level data.

What About Your Teeth?

This is where the story splits sharply depending on whether you’re drinking plain Perrier or one of its flavored versions. Plain sparkling mineral water has a pH that is mildly acidic (around 5.5) due to dissolved carbon dioxide, which forms weak carbonic acid. That’s less acidic than orange juice, coffee, or wine by a wide margin. Research on mineral waters specifically found that their complex mix of calcium, magnesium, and sulfate ions actually reduces the amount of tooth mineral that dissolves, making them a safe alternative to more erosive acidic drinks.⁵ In practical terms, the minerals in Perrier help protect your enamel from the very mild acid the carbonation creates.

Flavored sparkling waters are a different story. Studies consistently find that flavored versions, whether they contain citric acid, natural fruit extracts, or other flavorings, drop to a pH of roughly 2.7 to 3.3, which puts them in the same erosive range as orange juice.⁶ A lab study soaking enamel specimens in flavored sparkling waters found that measurable enamel loss began within a single day of exposure and continued to accumulate over the following days.⁷ Even carbonated water without flavoring but with low calcium content caused meaningful drops in enamel microhardness, though water that contained calcium ions showed significantly less damage.⁸

The practical takeaway: plain Perrier, with its natural calcium content, is very gentle on your teeth. If you’re choosing a flavored Perrier product (like the lime or grapefruit versions that contain citric acid), treat it more like you would any mildly acidic drink. Sipping it throughout the day is worse for your enamel than drinking it with a meal. Using a straw helps reduce contact with your teeth, and waiting at least 30 minutes before brushing afterward prevents you from scrubbing softened enamel.

Blood Pressure and Heart Health

People sometimes worry that the sodium in mineral water could raise blood pressure, especially if they’re already watching their salt intake. The research on this question is surprisingly consistent and reassuring. A study in postmenopausal women found that drinking a sodium-rich carbonated mineral water (which contained far more sodium than Perrier does) produced no change in blood pressure over the study period.⁹ A randomized controlled trial that specifically tested a high-bicarbonate, high-sodium sparkling water confirmed the same finding: blood pressure did not differ between the sparkling water group and controls, even among participants who already had hypertension.¹⁰

The likely explanation is that bicarbonate-rich mineral water delivers sodium in a different chemical context than table salt. The sodium in these waters comes paired with bicarbonate rather than chloride, and the body handles these differently. That same randomized trial found that the high-bicarbonate water actually lowered levels of aldosterone, a hormone involved in blood pressure regulation, and reduced urinary calcium loss.¹⁰ These studies tested waters with substantially more sodium than Perrier contains, so the cardiovascular concern for Perrier specifically is essentially a non-issue.

Does Sparkling Water Make You Hungrier?

A widely shared claim suggests that carbonated water triggers the release of ghrelin, the hunger hormone, leading you to eat more. This idea traces to a study in rats that found animals drinking carbonated beverages gained more weight and had higher ghrelin levels than controls. A parallel arm of the same study tested 20 healthy men and also found elevated ghrelin after carbonated drinks.¹¹ The study generated alarming headlines but had significant limitations: the human arm was small, the ghrelin measurement was a snapshot rather than a sustained observation, and the beverages tested included sugary carbonated drinks alongside the sparkling water.

Other research tells a different story. A study measuring gastric volume, ghrelin, and food intake found that a carbonated beverage consumed before a meal was actually associated with lower ghrelin levels during the subsequent meal compared to still water.¹² The carbonation expanded the stomach, which may have suppressed ghrelin release rather than stimulating it. Meanwhile, a separate investigation comparing sparkling water to caloric beverages found that sparkling water was no different from still water in its effects on hunger and fullness ratings; the only drinks that genuinely reduced hunger contained calories.¹³

The balance of evidence suggests that plain sparkling water is unlikely to drive meaningful hunger or weight gain. If it replaces sugary soda in your diet, the caloric savings are overwhelmingly positive regardless of any marginal ghrelin effects. A pilot study examining what happens when regular soda drinkers switch to unsweetened flavored sparkling water found that some participants, specifically those who started out as strong sweet-likers, reduced their liking for high-sugar drinks over time.¹⁴ The pattern wasn’t universal, but it hints that sparkling water could help retrain some people’s palates away from intense sweetness.

Kidney Stones and Mineral Water

If you’re prone to kidney stones, the mineral content of your water matters more than whether it’s flat or fizzy. A systematic review spanning three decades of research found that water with high magnesium and bicarbonate content is actually recommended for kidney stone patients, because both minerals help inhibit stone formation.¹⁵ Perrier contains both. The calcium in mineral water, despite being a component of the most common kidney stone type (calcium oxalate), does not appear to increase risk when consumed through water and food, in part because adequate calcium intake actually reduces the absorption of dietary oxalate in the gut.

That said, the variation across sparkling water brands is enormous, and not all mineral profiles are equally stone-friendly. Researchers who surveyed 126 European sparkling water brands cautioned that patients with stone disease need to be mindful of the specific brand they choose, since mineral water can be a source of both promoters and inhibitors of stone formation.² The most important thing for stone prevention remains total fluid volume: drinking enough of any water to keep urine dilute is far more protective than choosing the perfect mineral composition.

Irritable Bowel Syndrome and Carbonation

People with irritable bowel syndrome often find that carbonation worsens bloating and discomfort, and there’s some epidemiological support for this concern. A cross-sectional study of dietary patterns in the general population found that higher intake of carbonated beverages was associated with having IBS. Among people who already had IBS, those with the diarrhea-predominant subtype reported more severe symptoms in connection with carbonated drinks.¹⁶ This type of study can’t prove that carbonation causes the problem, since people with gut symptoms may simply notice the fizz more. But many gastroenterologists consider reducing carbonated beverages a reasonable early step for IBS patients who report bloating as a primary symptom.

The mechanism is straightforward: carbon dioxide gas expands in the warmth of the stomach and intestines, and if your gut is already hypersensitive or prone to distension, the added volume can provoke pain. For people without IBS, this same effect is trivial and usually just produces a brief feeling of fullness or a burp.

The Plastic Bottle Problem

Perrier is sold in glass bottles, aluminum cans, and PET plastic bottles. The glass version sidesteps the packaging concerns entirely, but the plastic bottles introduce a set of issues that apply to all bottled water, not just Perrier.

The first concern is microplastics. Research has found that bottled water and beverages can contain anywhere from a handful to several hundred microplastic particles per liter, with the number depending on the bottle material, the bottling process, and even the source water. The most commonly detected plastic types are PET (the bottle itself), polypropylene, and polyethylene. Children and heavy daily consumers face higher cumulative exposure, and emerging evidence has raised concerns about tissue accumulation, inflammation, and oxidative stress.¹⁷

The second concern is chemical leaching. PET plastic contains antimony as a catalyst residue from manufacturing. Under normal storage conditions at room temperature, antimony levels remain well below regulatory limits. But storage at elevated temperatures dramatically accelerates leaching. One study modeled this and found that at temperatures above about 65°C, which can easily be reached inside a car, garage, or outdoor storage area in summer, antimony concentrations can exceed safety thresholds within weeks or even days depending on the temperature.¹⁸ Additional research confirmed that longer storage times and higher temperatures increase antimony leaching from PET mineral water bottles, with some extreme conditions (high temperature plus extended storage plus light exposure) producing concentrations above recommended levels.¹⁹

Phthalates tell a similar story. DEHP, the most commonly detected phthalate in mineral water stored in PET bottles, was detectable after about 44 days of storage at room temperature, and concentrations continued to climb over the following months and years.²⁰ The practical lesson here is simple: if you buy Perrier in plastic, store it in a cool, dark place, don’t leave it in a hot car, and drink it within a reasonable time frame. Or buy the glass bottles.

When Perrier Might Not Be the Best Choice

For most people, Perrier is a genuinely healthy hydration option. But there are a few specific situations where it’s worth being more careful:

• Active reflux episodes: Even though the population-level evidence doesn’t show consistent harm, the transient pressure changes from carbonation can be enough to trigger symptoms in someone with active gastroesophageal reflux. Switching to flat water during flare-ups is sensible.
• IBS with bloating: The gas expansion from carbonation can worsen distension in a hypersensitive gut. An elimination trial, cutting carbonated water for two to three weeks, can clarify whether it’s contributing to symptoms.
• Heavy flavored-water consumption: The flavored versions are meaningfully more erosive to tooth enamel than plain Perrier. If you’re going through several cans of flavored sparkling water a day, you’re exposing your teeth to acid levels comparable to fruit juice.
• Infants and very young children: Sparkling water is not recommended for babies, both because the carbonation can cause discomfort and because mineral water in general may not meet infant-specific safety standards for mineral content.

None of these caveats change the fundamental picture. Plain Perrier is a zero-calorie drink that provides absorbable calcium, doesn’t raise blood pressure, doesn’t accelerate gastric emptying, and poses minimal risk to your teeth. Compared to soda, juice, or sweetened iced tea, it’s not even a close competition. The main variable worth watching is the container: glass over plastic when you can manage it, and cool storage when you can’t.