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Silence. That's all Dr. Allen Lim heard when he knew he had arrived at a solution. No longer were his Garmin riders complaining of the headaches and bloated stomachs that had plagued them for so long. Lim had spent countless hours mixing formulas in buckets to create not a product, but a solution that was informally dubbed Secret Drink Mix, or SDM. Why a secret? Because word had spread through the peloton that Lim had perfected a hydration solution that was effective and delicious, and it led to many pros pouring out the electrolyte-heavy, overly sweetened beverages provided by their sponsors and replacing it with Lim's contraband. Fortunately for us, the secret is out, and Lim is offering this pro-developed and battle-tested solution to the world. It's now called the Exercise Hydration Mix, from Lim's Boulder, Colorado-based Skratch Labs.

Unlike many sports drinks, which are formulated around electrolyte or caloric replenishment during physical exertion, the Exercise Mix focuses on keeping your body's sodium levels carefully regulated. Lim discovered that the rampant headaches plaguing his pro riders were not induced by a lack of fluids, but rather, a lack of sodium -- a very typical symptom of dehydration. Essentially, your kidneys regulate fluid retention based on the body's concentration of sodium. When sodium concentration is high, your body is forced to hold on to that fluid to dilute it. But when your sodium levels get too low (ie: through sweat loss), the opposite happens and your kidneys must expel that fluid. 

Lim's mix is designed to keep your body's sodium balance carefully regulated, maintaining hydration while also slowing diuresis. With diuresis slowed, you'll be able to pre-hydrate and drink more before a race without needing to make those three inopportune bathroom breaks right before your call-up. If these concepts around a sodium-based formula sound familiar, that's because they are -- Lim's drink mix contains nearly four times the amount of sodium in many convenience-store sports drinks, putting it on par with emergency-grade rehydration salt formulas like Pedialyte, and those used by the World Health Organization to combat severe dehydration.

The athletes that helped Lim develop the Exercise Mix weren't just complaining of headaches. They were also suffering from severe stomach bloating and flavor fatigue. The second half of Lim's solution was to ensure his drink was easy and pleasurable to consume day in and day out. To accomplish this, every ingredient from the Exercise Mix is naturally occurring or naturally sourced from real fruit, which ensures you're not putting anything in your body that's been chemically formulated or enhanced. In short, if it wasn't here on this earth before you were, Dr. Lim and his team refused to use it. 

The ingredients are: sucrose, glucose, sodium citrate, potassium citrate, calcium citrate, magnesium citrate, freeze dried fruit, citric acid (a natural preservation agent from pure lime juice), and ascorbic acid. Notice the pronounced absence of the 'natural flavors' found in so many other sports drinks. Part of what makes the Exercise Mix so uniquely palatable even during prolonged periods of exercise and constant re-hydration is the lack of a savoring agent. Generally, chemically-derived flavoring agents like those ominous 'natural flavors' tend to remain on your palate, causing flavor fatigue, and in larger doses, wreak havoc on your gut. 

The Exercise Mix uses real lemons, limes, oranges, and raspberries, which are freeze-dried and pounded into powder. This creates a refreshing, super-clean flavor that's easy on your stomach without a lingering aftertaste that wears out its welcome halfway into your race. It means you're not just getting a 'flavor' of lemon or orange, you're getting actual lemons and oranges in the mix. This is one of the many fundamental breakthroughs behind the Skratch Labs drink mixes. Whether you're staying hydrated during a 24-hour endurance race, or re-hydrating after a grueling criterium, they simply taste great.

Lim and his team created two drink mixes, optimizing each for different levels of physical exertion. This Exercise Hydration Mix has a slightly higher salt content, making it Skratch Labs' on-bike mix, best used for periods when your heart rate is up and you're sweating. Because this mix has a supremely high absorption rate and is not a natural diuretic, it's excellent as a preventative measure against dehydration while you ride, when you stop at an aid station, or immediately after your workout or race, because you can drink a larger volume of it at a time without painful bloating. This is due in part to the drink's exceptionally low levels of acidity, and lack of chemically-enhanced flavors.

The Skratch Labs Exercise Hydration Mix is available in Lemon Lime, Orange, or Raspberry. Each one-pound package should provide approximately twenty (23 grams dry), 500ml servings.

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Here's what others have to say...

5 5

Josh

Member since 
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This mix is awesome. I started out drinking it while running and training for motorcycle racing and it worked so well that I ended up using it for the races themselves. It's light on the stomach too, which is an added bonus since most drinks cause issues during a two hour, flat out race and there was no crash afterwards either. The only issue I've had with the drink is that it didn't mix up completely with the water and the "grit" that was left had to be cleaned out of the hose on my hydration bladder, other than that it's a solid product that will be a permanent fixture of my training/racing life.

5 5

eav2905205

Member since 

This stuff is legit... it doesn't have any of the garbage that most drink mixes have but it also has good flavor (unlike Acclimate or other products based on similar science). This stuff got me through my first 24 hour mountain bike race last weekend... I almost went through an entire bag and I'm still not sick of it!

5 5

Tahoerik

Member since 
  • Gender: Male
  • Familiarity: I've used it several times

I have been using this all fall and have yet to get the dreaded bloat. I live in climbing central, so I have had every chance overload on this stuff, but in the end my stomach has continued to smile. I am looking forward to using it on longer range road and mtn rides this spring.

5 5

Noah Singer

Member since 
Groups:
  • Gender: Male
  • Familiarity: I've used it several times

I've been a racing/riding mountain and road bikes for decade. I've used everything from green tea to the expensive bike shop only concoctions. I'd settled on simple Gatorade powder for the past few years because it's cheap and accessible. After racing the Park City Point 2 Point, a seven hour MTB race I literally felt burned in the room of my mouth. I switched to Skratch after lots of recommendations from other racers. I will never, ever go back to Haterorade. Skratch is light on the sugar and the taste. You can drink it all day and not feel like you dropped a pixie stick in your mouth. It keeps a steady dose of energy going down your body without crashing. This is a breakthrough in drink mix because it feels simple, and just works, but we all know that is the toughest to perfect.

5 5

Joel Brazle

Member since 
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We just ordered our second batch. The drink mix isn't a sticky disaster and is light on the stomach. I'm super impressed by this mix. Thanks Skratch.

5 5

tzos

Member since 

No joke. The race for exercise hydration has officially ended. Skratch Labs is officially the winner. No, I'm not a paid spokesperson. I've got no connection to these guys whatsoever, unless you count my undying loyalty to their product.

This stuff is completely natural, tastes good, and most importantly is very easy on the stomach. Especially for those of us riding in hot climates where rehydration is a huge issue, this stuff is vital. It's easy to get that full/bloated stomach feel if you drink or eat the wrong stuff in the saddle. Unlike so much other stuff on the market, I know what every ingredient is stuff, can pronounce it (i.e. it ain't from a laboratory), and feel good about putting it into my body.

I don't really know what else to say. You must try this stuff. Your rides will never be the same.

5 5

LisaH

Member since 

I've tried every exercise or sports drink out there, Skratch is the best. I use it in my camelbak over a few days in the backcountry and it still tastes great and cleans out easily when I get home!

5 5

Dave Richards

Member since 

I'm no scientist, but my body like Skratch hydration when it didn't like Nuun. I usually rock Gatorade since throwing my Nuun out, but Skratch is my new go to. No sticky mess from Gatorade. More sustainable performance from Skratch.

5 5

Ben Kuhns

Member since 
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Skratch Labs knows what they are doing with this stuff. Get any flavor, I go for the raspberry personally, mix it up and get out there.

The taste is clean and not too sweet. Mix it up and throw it in the freezer for an hour before your ride and it gets even better.

5 5

Brian B.

Member since 
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I'm a plain-water die-hard on the bike. The only other hydration additive I ever sort of liked was Nuun, but the bubbly action caused my bottles to leak and annoyed me to no end. This stuff is the answer. I don't get gassy, no cramps, no problems. I just ride, and drink, and ride, and drink. There's no sickeningly sweet aftertaste, or 'gel mouth.' The flavors are light, nice, and mellow. Definitely flavors, but not beating you over the head with mango-cran-razz-triple-berry. More like fresh fruit at the aid station flavors. Absolutely recommend this stuff.

5 5

Hap Seliga

Member since 
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I'm finicky when it comes to what I drink on the bike, but this is the real deal. The raspberry is tasty but light, and doesn't upset my tummy when going hypoxic. No cramps, no dehydration to speak of. I dig on it.

5 5

cma5356350

Member since 
Groups:

These guys know what they are doing... enough said.