CADENCE RTD
BUILT FOR TRAINING
7 Warning Signs Your Hydration Is Costing You Performance
You train hard. You drink plenty. So why are cramping, fatigue, and slow recovery still part of your week?
READ THE 7 SIGNS ↓
500mg
Sodium per Can
0
Sugar
Cologne
List certified
Trusted
By Elite Athletes
The training is there. The sleep is dialled. The food is good. And yet. Cramp at mile 4. Legs that won't fire on a session that should be easy. Still sore on day three.
Most athletes call it overtraining. Bad luck. Not enough rest. It's usually none of those things. It's what you're not putting back in. And with a can, there's no excuse not to. No mixing. No measuring. Just open it and drink.
The 7 Signs
07
You Cramp. Even On Sessions You've Done A Hundred Times.
Mile 4. Your calf locks. You stop, stretch, wait. It eases. You keep going. Same thing next week. You change pace, add stretching, blame your shoes. Still happens.
It's not your fitness. Sodium and potassium fire the electrical signal that tells a muscle to release after it contracts. When sodium runs out, the release signal fails. The muscle stays on. That's the cramp. One hour of training burns through roughly 500mg of sodium in sweat. Water puts back zero of it.
500mg per can. Matched to what you actually lose. Not a rough estimate.
STOP THE CRAMP CYCLE
06
Sessions That Should Feel Easy Feel Harder Than They Should.
You know what a tempo run at this pace feels like. You've done it plenty. But today your legs are heavy, you're breathing harder than you should be, and you're working at an 8 when the session is a 6. Nothing changed in training. You feel like you're going backwards.
Low sodium thickens your blood. Thicker blood is harder to pump. Less oxygen reaches working muscle. Your heart rate climbs just to keep up. The same pace costs more than it did last week. You finish the session. But you leave it more drained than you should be, not stronger.
Sort the sodium. The sessions start feeling like they should again.
FIX THE FLAT SESSIONS
05
Your Stomach Turns On Long Efforts.
You know what a tempo run at this pace feels like. You've done it plenty. But today your legs are heavy, you're breathing harder than you should be, and you're working at an 8 when the session is a 6. Nothing changed in training. You feel like you're going backwards.
Low sodium thickens your blood. Thicker blood is harder to pump. Less oxygen reaches working muscle. Your heart rate climbs just to keep up. The same pace costs more than it did last week. You finish the session. But you leave it more drained than you should be, not stronger.
Runners specifically call it out: "gentle on the gut during long runs." That's not a coincidence. That's the formula.
SETTLE YOUR STOMACH
Most Athletes Focus On Training Load, Sleep, And Nutrition.
Hydration precision is the gap nobody closes. Until now.
BUILD YOUR PACK
04
You Get A Headache After Hard Sessions. Every time.
Intervals done. Long run finished. Then it starts. A dull, heavy ache behind your eyes or at the base of your skull. You've put it down to the heat, the effort, dehydration in the general sense. It happens often enough that you've stopped questioning it.
It's a sodium signal. Sodium controls fluid pressure around your brain. Hard training burns through sodium fast. When it drops, that pressure shifts. The headache is your body telling you something specific is missing. Not that you worked hard enough. Not that you need to rest more.
You need to replace what the session took out.
TRAIN WITHOUT THE HEADACHE
What Athletes Are Experiencing
Changed my whole routine and life. This is the perfect balance for a hybrid athlete. I will never look back.
Nicholas S.
Verified · Starter Hydration
Whether sachets before speed workouts or drinks for recovery after a long run. Two PRs since switching.
Scott F.
Verified · Starter Hydration
500mg of sodium is what I need to kick-start my day. With LMNT I would get headaches. Will be ordering more.
Mark K.
Verified · Starter Hydration
Best electrolyte drink on the market. Great flavor and I always look forward to cracking a can after a workout.
Diego G.
Verified · Starter Hydration
03
You Drink Through The Whole Session And Finish Still Thirsty.
Bottle in hand the whole run. Sipping on the bike. You do everything right. You still cross the finish line parched, or wake up the next morning with a dry mouth. You think: I just didn't drink enough. You did. The problem is none of it stayed.
Water needs sodium to absorb. Without it, fluid passes through rather than into your cells. Your body reads low sodium and gets rid of the excess water to rebalance. The more you drink, the more you flush. Sodium is the thing that makes water actually land. 500mg per can is the amount your body needs to hold onto it.
And unlike a sachet, there's nothing to mix. Grab it. Open it. Done.
HYDRATE WITHOUT THE CRASH
02
You Fall Apart In The Last 20 Minutes. Every Time.
The training block is done. Race day arrives. First half feels good. Then somewhere around mile 16, or the final lap, or the last climb — it falls apart. Pace drops. Form goes. You put it down to fitness. But you've done the sessions. The fitness is there.
Sodium keeps blood volume up. As sodium drops, blood thickens. Your heart works harder to move the same oxygen to the same muscles. The pace that felt sustainable at mile 10 becomes unsustainable at mile 18. Not because your legs gave out. Because your blood got harder to pump and your muscles started getting less of what they need.
This is fixable. It's not a fitness problem.
FUEL LONGER. RECOVER SMARTER.
01
You Wake Up The Day After A Hard Session Still Broken.
This is the one that costs you most. Not the cramp. Not the headache. This. Because if you can't recover properly, you can't train properly. Sessions stack on top of each other before your body has cleared the last one. You're not building fitness. You're managing damage.
Recovery runs on blood flow. Your body needs to flush waste out of tired muscle and push fresh nutrients back in. Both happen through the blood. Low sodium thickens the blood and slows that whole process down. The waste sits longer. The rebuild starts late. You go into the next session already behind.
One can after training. One before bed. No mixing, no measuring — just open it. Two chances a day to keep recovery moving when it matters most.
START RECOVERING PROPERLY
STILL TRAINING ON SPORTS DRINKS?
Most Sports Drinks Are Not Built For Training.
They're built for mass-market taste. Here's what that costs you in the can.
GATORADE
Sodium
~160mg per bottle
Sugar
34g of sugar
Potassium
~45mg
Artificial colours
Yes
What happens?
Blood sugar spikes during training, then crashes. Sodium too low to replace sweat losses. You feel better for 20 minutes then pay for it in the back half.
Sodium
500mg per can
Sugar
Zero
Potassium
190mg
Artificial colours
None
What happens?
Sodium replaces what you actually lost in sweat. Blood volume stays optimal. Muscle function stays sharp. No crash. Properly replenished.
Build Your Pack
Build Your Pack
Choose Your Hydration Routine.
Save more per sachet the longer you commit. All kits include your FREE Starter Kit.
Choose a flavour for each box.
Mix it up. Variety keeps the habit easy.
Or pick the same for all three.
- Melonberry
- Citrus
- Orange
- Melonberry
- Citrus
- Orange
- Melonberry
- Citrus
- Orange
Same flavour for all boxes?
Select one and apply to all.
Your Starter Kit includes:
Cadence Cap
Fuel Guide
Core 550 Bottle
Cadence Whisk
Sticker Pack
Sports Towel
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Cancel anytime — no commitment required.
CADENCE RTD
BUILT FOR THE ALWAYS-ON ATHLETE
Hydration as a performance system. Not an afterthought.
Every sign on this page has the same root cause. You're losing 500mg of sodium per hour of training. Nothing you're currently drinking is replacing it precisely. One can a day changes that.
500mg sodium, 190mg potassium, 30mg magnesium per can
Zero sugar, zero artificial colours
Cologne List certified, safe for tested athletes
Ready to drink, no mixing, no excuses
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