Skip to content

Nix Hydration Biosensor – Triathlete

assessment ranking


The non-invasive Nix Hydration Biosensor permits athletes to see their fluid and electrolyte loss in actual time and obtain recommendations for enhancing their vitamin plan based mostly on personalised outcomes. Assume: needle-free Supersapiens (or Ranges) for hydration.


Non-invasive (no needles)
Actual-time outcomes
Suggestions for enhancing fueling


Pores and skin patches are single-use
Metrics are a bit imprecise
Not waterproof



“], “filter”: { “nextExceptions”: “img, blockquote, div”, “nextContainsExceptions”: “img, blockquote, a.btn, ao-button”} }”>

For entry to all of our coaching, gear, and race protection, plus unique coaching plans, FinisherPix pictures, occasion reductions, and GPS apps, >”,”title”:”in-content-cta”,”kind”:”hyperlink “}}”>join Exterior+.

The Nix Hydration Biosensor takes each “sweat patch” and kicks them to the curb. The Hydration Biosensor is a wearable connective system that offers actual time personalised sweat and hydration information to the athlete. The sensor itself is non-invasive (rejoice, needle-phobic athletes!) and is simple to make use of because of its stick-on pores and skin patch.

The Hydration Biosensor supplies information on fluid loss, electrolyte loss, and sweat composition throughout the time the sensor is worn. The info is of use to athletes of all ranges; Elite athletes can profit from the precise numbers and hone their vitamin plan, whereas extra leisure athletes can develop a baseline for his or her sweat price and make a extra correct hydration plan throughout longer exercises.

Need much more particulars on the Nix Hydration Biosensor? Try our in-depth assessment right here.

The Good: Nix Hydration Biosensor

The primary good factor to name out in regards to the Nix Hydration Biosensor is that it’s non-invasive—that means it doesn’t use needles or pores and skin pricks to realize its information. For these triathletes who’ve cringed on the concept of ​​steady blood glucose displays inserting a tiny needle into the pores and skin or lactic acid readers pricking a finger, the worst a part of the Hydration Biosensor is that it could pull out some arm hairs upon elimination.

Merely stick on a pores and skin patch, connect the sensor to the patch, and begin a motorcycle or run by way of the Nix Biosensor app and also you’re good to go.

The Nix Biosensor app provides athletes the choice to select from a wide range of pre-programmed hydration mixes—Skratch, Maurten, GU, Gnarly, and extra—to higher help with the biosensor’s skill to know the electrolyte concoction you will be utilizing to replenish fluids and electrolytes throughout the exercise—thus enhancing the app’s information and personalised recommendations.

Whereas biking or working, the Hydration Biosensor analyzes the quantity of fluid and electrolytes you might be shedding in addition to the composition of your sweat and notifies you as to how a lot fluid you must consumption and when by way of the Nix Biosensor app. You can too see the overall quantity of fluid and electrolytes misplaced in actual time within the app, which is nice for benchmarking all through a session.

Put up-workout, you possibly can analyze how a lot fluid and electrolytes had been misplaced and dive into sweat composition. The Nix app supplies graphs evaluating a wide range of in style electrolyte drink mixes which permits athletes to make educated decisions about their liquid fueling based mostly on the info from the Hydration Biosensor and the make-up of widespread sports activities drink choices.

The Hydration Biosensor may also presently sync with Garmin and Apple Well being, permitting you to see your fluid loss and electrolyte loss proper out of your Garmin or Apple system. Nix says they plan on having extra integrations (Zwift and TrainingPeaks, to call a pair) later this yr.

RELATED: Dehydration Makes That Effort Really feel More durable

The OK: Nix Hydration Biosensor

Whereas the barrier to entry for utilizing the Hydration Biosensor is low and the info it supplies is correct and well timed, the highest disadvantage of the Hydration Biosensor is that it’s best used for intentional benchmarking than for your entire exercises. It is because the pores and skin patches are single use and value $25 for a four-pack. The sensor starter equipment comes with an preliminary four-pack of pores and skin patches, but when the typical triathlete has, say, 10 coaching periods per week, you’d already be on pack quantity three earlier than the seven day mark.

Secondly, the Hydration Biosensor can’t be submerged in water. Whereas we do not usually consider swimming as notably dehydrating, it may well exhaust our hydration reserves fairly a bit. To really enchantment to triathletes as being well worth the funding, it will be superb for the sensor to have the ability to seize information throughout all three disciplines—though clearly the 2 most sweat-intensive are biking and working.

RELATED: Sure You Can Get Dehydrated Whereas Swimming

The post-workout information is simple sufficient to know—fluid loss, electrolyte loss, and sweat composition—however the home-page sensor metrics are complicated at first. For instance, the “Nix Index” takes a minute to know, it isn’t a “hydration rating” as it could first seem, it is a “sweat rating.” The decrease your rating, typically, the higher, as a result of it implies you aren’t presently sweating as a lot.

“Photo voltaic Load” is one other information level that appears complicated and isn’t outlined throughout the app. It is seemingly this information level is making an attempt to correlate how sunny it’s with how a lot you might or might not be sweating given the present climate, however an precise definition could be useful.


The Nix Hydration Biosensor is shortly proving itself to be among the best choices in the marketplace for athletes to precisely measure their fluid and electrolyte loss and perceive their sweat composition from house.

The info is obtainable in actual time and syncs with Garmin and Apple Well being, that means athletes can view their fluid and electrolyte loss from their Garmin or Apple sensible system throughout a exercise.

Sadly, the Hydration Biosensor doesn’t but have the power to be submerged in water, that means it isn’t appropriate for swimming. Though biking and working are typically the 2 actions wherein triathletes sweat essentially the most, it’s a deterrent that the sensor cannot accommodate all three disciplines of triathlon.

The sensor’s pores and skin patches are additionally single use and sit at $25 for a pack of 4, that means it is inadvisable to make use of the Hydration Biosensor throughout each exercise until you will have tons of money to burn.

The Nix Hydration Biosensor is yet one more general helpful growth in at-home sports activities science testing for athletes, and at the same time as an early model, it is helpful. In case you have struggled with fueling and hydration prior to now, the Nix Hydration Biosensor could also be one option to get extra granular and data-backed on a vitamin plan for upcoming races or lengthy coaching periods.

RELATED: Ask Stacy: Why is Hydration So Vital for Triathletes?

Leave a Reply

Your email address will not be published. Required fields are marked *