I was told that reverse-osmosis is empty water with no minerals, and thus when passing through your body can leech minerals from your body, similar to distilled water. I was told by a natural health professional that r/o with added mineral supplemets is the way to go. I don't like the taste or idea of bottled minerals. This is all very confusing to me! The answer to the question does not clear up all my doubts about the "perfect" water. Mercola, can you please expand?

DO NOT buy a water alkalizer/Ionizer. These bogus products are artificially Ionized via electrolysis, a process found nowhere in nature that has known damaging effects on the bodies energy system. These filters also have adverse effects on the digestive system due to the unnaturally high PH balance and contrary to health claims they do not alkalise the body.
While Reverse Osmosis is safe, the process which removes harmful contaminants like flouride also removes trace minerals.
By far the best system is the innovative "Wellness water" purifier. Wellness water systems first filter out unwanted contaminants and then the water passes through an array of ceramic magnets surrounded with magnetite, the same iron rich rock found at the world's great springs including that of the famous hunza tribe, and the water's hydrogen bonding network is altered and its bonds realign to create a water that is more soluble "wetter water". It is then past through Tenko seki far infrared rays (known for their powerful healing and detoxifying effects) which naturally ionizes the water (as opposed to the dangerous process of electrolysis). The resulting effect is a more soluble water with a shortened cluster cell (like the water in our bodies cells) that is active at the cellular level.
Check out their website at http://www.wellnessfilter.com/ and be sure to check the comparisons link for an explanation on why you should never drink from water alkalizer/ionizer filters.

Dr.Mercola I strongly advise you to check out http://www.wellness.com.au/ and see what you think about these amazing systems. I would really like to hear your opinion! 

oops, thats www.wellness.com.au for australia (not sure about the US)

The US link is http://www.wellnessfilter.com/

The problem with R/O and distilled water, is that its basically pure water, like rain water and hasnt gone through the energizing/mineralizing process of spring water. This is why reverse osmosis water is called "dead water".
In nature, when rain water enters a spring it soaks through the soil where it is then mineralized, and in some springs it is also ionized (energized with positive ions). The difference between rain water and mineralized/ionized spring water in nature is comparable to the difference between R/O water and wellness water filters.
Try googling wellness water for your respectives official sites I only know the URL for the australian wellness site.

Sucram,
I updated all your links with the correct ones, and provided the US link for them.
Hope that helps ;)

The filters here are amazing, but they do NOT remove chlorine or Fluoride.

The best way I know to solve the problem with your water is to buy a Reverse Osmosis System which will take out next to everything including minerals, then take Peter Gilliam's Organic Life Minerals liquid supplement, or add it to your glass of water.
This gives you clear safe water with all the minerals your body needs.

The Nikken filters do all of it with their PiMag system...just FYI

I have heard that R/O water is just as acidic as distilled water and therefpre undesirable. True or false?

I have been tirelessly searching the web for a water filter solution. Please help...I can't afford to install a whole house system right now, so I am looking at drinking water but I wanna filter out the floride too. Should I go for a dual filter system which is kinda inexpensive with a floride prefilter or a reverse osmosis unit? What about the refrigerator filter?

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  The best way I know to solve the problem with your water is to buy a Reverse Osmosis System which will take out everything, then run it through a Pi Water Filter which will add back the minerals. It can be found at waterfactory.com.au.

  The best way I know to solve the problem with your water is to buy a Reverse Osmosis System which will take out everything, then run it through a Pi Water Filter which will add back the minerials. It can be found at watershop.com.au.