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Looking at the hundreds of trendy (and expensive) water bottles, infusers and flavoured water brands, it's pretty clear that plain old tap water just doesn't cut it anymore.
If you're serious about your health foods and water, you've probably heard about reverse osmosis water and alkaline water. If you're just a regular water drinker, you may be wondering what on earth these words mean.
To help settle the confusion, here's a lowdown on reverse osmosis and alkaline water -- and whether these expensive types are actually healthy or just a hoax.
Alkaline ionised water"Alkaline ionised water is created by water ionisers in a process called water electrolysis," body science expert Moodi Dennaoui, aka The Diet Doctor, told The Huffington Post Australia.
"This process occurs inside an electrolysis chamber of a water ioniser machine. The idea is that in order to create a more alkaline balance in the body, you should drink water with a higher pH."
Essentially, the water ioniser raises the pH level of the water by subjecting it to electrolysis, and separates it into acidic and alkaline components.
"There are claims that consumption of ionised alkaline water results in a variety of health benefits, similar to that of alkaline diets. However, these claims are not accepted by the majority of the medical community. Probably because there is not enough research to support such claims," dietitian Robbie Clark told HuffPost Australia.
The proposed health benefits"Ionised water has a negative oxidation-reduction potential, meaning it may offer additional disinfectant properties, which help to protect you from dangerous microorganisms that can disrupt gut health," Clark said.
"Some studies have suggested that drinking ionised alkaline water may have benefits for people who suffer from high blood pressure, diabetes and high cholesterol."
"Each organ system has a unique pH range, and our bodies naturally do a great job of maintaining blood pH within each respective range." Hoax or healthy
While Clark admitted that anecdotal evidence suggests that the pH of water could be relevant to health, so far, there's not a lot of firm data.
"Focusing on the pH level of our water alone might be somewhat irrelevant," Clark said. "The reason being is that if alkaline water is deemed helpful, that might be due to the minerals it contains rather than its pH level, per se. "Another concept to consider is that each organ system has a unique pH range, and our bodies naturally do a great job of maintaining blood pH within each respective range. If our pH level is out of balance, it's important to get to the underlying cause. Without knowing the cause, it's impossible to determine whether alkaline water will really help you."
Bottom line is that although drinking ionised alkaline water is generally considered safe, there is not enough scientific evidence to support the use of alkaline water as a treatment for any health condition.
"If you are unsure if you will benefit from the consumption of this type of water, you are best to speak to your health professional," Clark said.
Alkaline water
"Alkaline water is not to be confused with 'alkaline ionised water' as there is a difference," Clark explained. "Alkaline water is any water that has a pH above 7.0. This can be achieved in many ways, such as adding alkaline minerals to your water or even adding baking soda to tap or bottled water."
Basically, drinking reverse osmosis and alkaline water is not essential. If you have been a regular tap water drinker and feel content with this option, there's no need to invest thousands of dollars in a ionising or reverse osmosis machine.
"If you have been drinking regular tap water all your life I don't see any disadvantage to continue drinking tap water," Dennaoui said. "It contains fluoride which is crucial for healthy teeth and gums." However, if reverse osmosis and alkaline water encourages you to drink more water, and you're willing spend the money, then you do you. "Drinking alkaline water occasionally isn't going to kill you and may even help with temporary acid reflux," Dennaoui said. "However, a diet that consists primarily of whole foods and minimal processed food should have your body's acid levels reduced anyway and have your pH levels at an optimal level to promote a long healthy life."
"A cheaper solution might be purchasing a good filtered jug which you can use as you see fit," Clark added.
Article by Juliette Steen Associate Food Editor, HuffPost Australia Sharing by Corwin Electronics |
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