PERFORMANCE RANKINGS

HYDROGEN WATER

TIER 1 (Bronze): This rank is awarded to those products that have achieved 0.8 – 1.9 mg of dissolved hydrogen in 1 liter of water. 

TIER 2 (Silver): This rank is awarded to those products that have achieved 2.0 – 3.9 mg of dissolved hydrogen in 1 liter of water. 

TIER 3 (Gold): This rank is awarded to those products that have achieved 4.0 – 5.9 mg of dissolved hydrogen in 1 liter of water. 

TIER 4 (Diamond): This rank is awarded to those products that have achieved 6.0 – 10.0 mg of dissolved hydrogen in 1 liter of water. 

hYDROGEN WATER PERFORMANCE RATINGS

Our hydrogen water performance ranking (also sometimes referred to as Ingested H2 milligram rating) is solely based on a hydrogen water device and/or product maximum milligrams of dissolved hydrogen the device can provide in 1 liter of water. This is easily calculable by multiplying the H2 concentration (mg/L or ppm) by the volume of water in liters (L). The hydrogen water performance ranking for our recommended products is based on the highest dissolved hydrogen concentration measured during our 2~3 month evaluation period. This measurement will be adjusted to its equivalent mg/L value to determine the maximum possible number of ingested milligrams if a person was to consume 1 liter of the water. The reason our up limit is 1 liter(L) of water is because that is the average amount of drinking water Americans consume daily  [1] .  Also, 1 liter provides us with a uniform standard for this metric and coincides well with the current scientific literature. The performance ranking system has 4 tiers. These tiers were developed based upon ingested milligram amounts seen through preclinical and clinical human studies. The ingested amounts of H2 range from 1 milligram to over 10 milligrams per day. Currently, the suggested milligram per day recommendation for dissolved hydrogen gas for humans is 1~3 mg/day. With this important information, we can assign a therapeutic value to the product or device based on the number of milligrams it can provide in 1 liter of water. Our recommended product tier ranking will likely change periodically in order to reflect the dynamic nature of the therapeutic hydrogen industry, in which manufacturers are constantly improving products. We are fully aware there are many other metrics hydrogen water systems can be and are judged by. To view some of the standards by which we determine our recommendation, visit the Performance Standards page, and to view our product scores visit our Product Scores page which will help you know our opinion of the strengths and weaknesses of all of our recommended products.

HYDROGEN GAS

TIER 1 (Bronze): This rank is awarded to those products that have achieved 120-299 milliliters  of hydrogen gas in 1 minute at >2%

TIER 2 (Silver): This rank is awarded to those products that have achieved 300-499 milliliters of hydrogen gas in 1 minute at >2%.

TIER 3 (Gold): This rank is awarded to those products that have achieved 500-1000 milliliters of hydrogen gas in 1 minute at >2%

hYDROGEN GAS PERFORMANCE RATINGS

Our hydrogen inhalation device performance ranking (also sometimes referred to as H2 ml/min rating) is based solely on a hydrogen inhalation device’s maximum hydrogen milliliter per minute (ml/min) gas volume output and H2 gas percentage. The hydrogen gas output from an inhalation device is a critical performance metric for determining if the device will provide enough gas to be therapeutic for humans. The higher the gas output flow rate, the better the inhalation device will be at compensating for the losses of gas if inhaling via nasal cannula. Another important aspect we take into consideration when examining the performance capability of a unit is the H2 gas percentage (higher H2 concentrations in gas mixture), which can range from approximately 2% to 99.99%. The preliminary scientific data is suggesting that for H2 inhalation to be therapeutic, it needs to be at least in the range of 2~4% at normal resting breathing rates (5~6 L/min of gas exchange), which is equivalent to inhaling 120~240 ml/min of H2. Higher H2 percentages will result in faster saturation of the blood, thus also saturating cells, tissues, and organs faster. Understanding the above information provides us with a guide for assigning therapeutic value rankings for inhalation systems. Our performance ranking system has 3 tiers. These tier rankings will likely change periodically in order to reflect the dynamic nature of the therapeutic hydrogen industry, in which manufacturers are constantly improving their products. We are fully aware there are many other metrics hydrogen inhalation systems can be and are judged by. To view some of the standards by which we determine our recommendation, visit the Performance Standards page, and to view our product scores visit our Product Scores page which will help you know our opinion of the strengths and weaknesses of all of our recommended products.

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