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What water to drink: tips for choosing well the water intended for our hydration. What to look for on the bottled water label.
For proper hydration it is necessary to drink frequently and at regular intervals.How much water to drink?The right amount depends on our body weight and the lifestyle we lead. On average, we should drink about one and a half liters of water a day. Ambient temperature, physical activity, health conditions, age and body weight are all factors that influence our water needs.
In this article we will not talk about the best brand of water but we will provide you with all the useful information to learn how to read the label of the bottles that we find on the market so as to choose the best water according to your needs.
What water to drink: cold or at room temperature?
It is better to drink in small quantities, perhaps bringing a bottle of water to work, or, even more recommended is the use of the thermos to keep the water at the ideal temperature.
Drink cold water or too hot it can hinder hydration. The temperature of the water we drink should be between 8 and 15 ° C, in this temperature range the absorption is better.
Very cold water, like frozen drinks, have an immediate cooling effect but not without contraindications. Drinking ice water can have a negative impact on digestion and circulation.
What water to drink: hypotonic or hypertonic waters
On the market we find isotonic or slightly hypotonic aqueous solutions. These are aqueous drinks formutal for those who practice physical activity. In this context, it is better to choose organic drinks without preservatives, artificial sweeteners, dyes or other additives. Hypotonic or slightly isotonic water-based drinks are indicated during physical activity or after physical activity, to better hydrate the body.
Instead, the use of hypertonic water, that is an aqueous solution that contains more solutes than our blood plasma (in particular, sugars) is not recommended. These drinks can be consumed during physical activity to have energy ready for use but they are not hydrating and risk causing intestinal disorders.
Which water to choose: mineral water
Choose mineral water best for your needs is not easy at all. We all know how to read the label of a food, we know broadly the role of carbohydrates and proteins in our diet but we know little about the fixed residue and the other indications present in thewater label.
The first thing to do to choose the right mineral water is to read the label to identify the abbreviation RF. RF is thefixed residue, that is, the amount of salts dissolved in a liter of water.
What water to drink, fixed residue less than 50 mg / l
- Suitable for daily use.
- To drink to counteract water retention.
- Suitable for those suffering from hypertension.
- Water to choose from for children and babies.
It is suitable for daily use, it is the lightest and able to stimulate diuresis. What water to drink for water retention? Undoubtedly one with a fixed residue not exceeding 50 mg / L. Furthermore this water is suitable for children. It contains little sodium, therefore also recommended in case of arterial hypertension.
When to choose low mineral content water
Water with low mineral content has an RF not exceeding 500 mg / l. Similarly to what we saw before, this type of water stimulates diuresis and is suitable for daily use by an adult. Good against water retention.
When to choose water with a fixed residue between 500 - 1500 mg / l
- To drink during sports
- To drink in summer and when it is very hot
Such a high fixed residue is useful for regenerating liquids and mineral salts dispersed with sweat. If you are planning a trekking route, use water with a high fixed residue.
Water rich in mineral salts (RF higher than 1500 mg / l) must be used under medical supervision, in fact it is therapeutic mineral water not suitable for daily use except in particular conditions.
Which water to choose, frequently asked questions
What water to drink for the liver?
To support liver activity and balance the biliary tract, a chlorinated water (more than 200 mg / l of chloride) can be useful. This water is mildly laxative.
What water to drink to digest better?
A sulfated water (more than 200 mg / l) is useful for those who have difficulty digesting. To aid slow digestion, acidic water is recommended, with more than 250 mg / l of carbon dioxide.
What water to drink to lose weight?
A very thorny question because there is no miraculous water capable of losing weight. Those looking for laxative effects can choose water with more than 200 mg / l of chloride, sulfate and magnesica.
What water to drink in case of kidney stones?
In case of kidney disease or gastric hypersecretion, the recommended water is that containing bicarbonate (more than 600 mg / l).
Which water to choose for children?
Earlier we talked about the fixed residue but by reading the label, make sure it is calcium water (more than 150 mg / l of calcium). Very useful for the skeletal development of children, to combat arterial hypertension and in women close to menopause, to prevent osteoporosis.
What water to drink when pregnant?
Ferruginous water (more than 1 mg / l of divalent iron) is indicated in iron deficiency anemia and also for pregnant women.
What water to drink during sports?
We have told you about isotonic, hypotonic and hypertonic drinks. Those who practice intense sports activity may prefer sodium water with more than 200 mg / l of sodium while those suffering from hypertension should choose low-sodium water, with less than 20 mg / l of sodium.
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