Lyteworklabs
Lytework Sodium Capsules
Science in your inbox, not noise.
Full ingredients list will be published at launch.
Use your Hydration Intelligence profile to determine your capsule rate per hour. Take with any fluid during training or racing.
Shipping details will be confirmed at launch.
Sodium loss varies tenfold between athletes. Drinks are built for one.
Every electrolyte drink binds sodium to fluid and to flavour. To get more sodium you have to drink more — and tolerate more sugar. For most athletes, that math breaks before the race does.
Lytework separates the variable that changes most from the ones that don't.
- Heat sessions demand more sodium. Drinks make you swallow more fluid to get it.
- Long sessions demand sustained sodium. Drinks fail the taste test after hour two.
- Taper week needs sodium support without high fluid load. Drinks force you to choose.
- Race day demands precision. Drinks deliver a single fixed dose.
Real athletes. Real conditions. Useful data.
Capsules tested across triathlon training, long rides, and race simulations. Universal feedback: better hydration outcomes, no flavour fatigue, easier titration.
Calibrated against field data to give heavy sweaters real headroom — two capsules at once is a legitimate protocol.
Across triathlon, ultra, and long-ride applications. Universal feedback on flexibility and tolerance.
A cyclist took 4+ capsules per hour for nine straight hours without GI distress or cramping. Standout result.
"Finally something I can take during a long ride without choking down sweet drink for nine hours."
"Sodium is the variable nobody gets right, and capsules are the only format that makes sense for it."
Four principles. Four dials. Each adjusted independently.
The SALT framework decouples the things hydration drinks bundle together. Build a baseline once, then scale by conditions.
Drink to thirst.
Plain water or your usual sports drink. Lytework doesn't replace your fluid strategy — it sits alongside it.
Dose to your sweat.
The calculator gives you a per-hour capsule rate based on your physiology and conditions. Two minutes to set up.
Take with any fluid.
One capsule with water, a gel, or a sports drink. No mixing, no flavour, no measuring. Drip-feed across the session.
Scale with conditions.
Hotter day? Take another. Going longer than planned? Take another. Sodium becomes a dial, not a fixed prescription.
The format is the strategy.
Powdered electrolyte mixes are excellent at what they do. They just bundle sodium with flavour and fluid — which becomes the limiting factor when conditions demand more.
Sodium precision
Fixed dose per serve
Flexibility
Single mix ratio
Flavour fatigue
Common past hour two
Portability
Mixing required
System simplicity
Sodium bundled with fluid and fuel
Sodium precision
Per-capsule, dose to sweat rate
Flexibility
Scale up or down by conditions
Flavour fatigue
None — no flavour
Portability
Pocket-sized bottle
System simplicity
Sodium decoupled from fluid and fuel
What endurance athletes have been asking.
The first production run is in late-stage manufacturing. Early access subscribers will get a private window before public launch — join the list and you'll hear first.
Depends on your sweat rate, the heat, and the duration. The free calculator gives you a per-hour rate in two minutes. Most athletes land between 1–3 capsules per hour.
Race-specific guidance for Ironman, marathon, ultra, and HYROX is on the protocols page.
Yes — but spaced dosing usually performs better. For most athletes, one capsule every 30 minutes maintains a steadier plasma sodium concentration than doubling up. Two capsules at once is appropriate when conditions demand it — extreme heat, very high sweat rates, or athletes with documented high sodium loss — but always with 300-400ml of fluid alongside. The calculator builds a session-specific protocol based on your physiology, conditions, and dose timing rather than a fixed rule.
Because carbohydrate needs scale with intensity, not with sweat. Sodium needs scale with sweat, not with intensity. Bundling them forces a compromise. Lytework lets you handle carbs with your gels and sports drink — and sodium with the capsule.
This is the core of the SALT framework: four variables, four dials, each adjusted independently.
Powdered mixes bundle sodium with flavour and require fluid. They're excellent at what they do. But if you're a heavy sweater in heat at hour four, your flavour ceiling caps your sodium intake.
Capsules separate sodium from fluid entirely. Take one with anything — water, a gel, a sports drink. The dose isn't dependent on whether you can stomach more flavoured drink.
Lytework also includes magnesium and calcium cofactors. Read the research.
A plant-based HPMC (hydroxypropyl methylcellulose) capsule, made from vegetable cellulose — chosen for clean, reliable dissolution and broad tolerability under load.
Vegan and vegetarian friendly. Gluten-free and dairy-free.
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Lytework is a dietary supplement intended for endurance athletes. Individual hydration needs vary by sweat rate, environment, intensity, and tolerance. Use in conjunction with your personalised Lytework hydration profile. Not intended to treat, cure, or prevent any medical condition.