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Curated, not stocked.
Sodium bicarbonate is one of the few ergogenic aids with a substantive body of research behind it. Most athletes never use it because the GI side effects are genuinely limiting. Maurten's system exists specifically to solve that problem, and it is why this product earned a place on our shelves rather than a generic alternative. We stock it for athletes who are serious about race-day preparation, not daily supplementation.
About this product
Bicarb System
The Maurten Bicarb System is a sodium bicarbonate supplement designed for use before high-intensity exercise. Sodium bicarbonate is a well-studied alkalising agent that works by raising blood pH, which helps buffer the build-up of hydrogen ions during intense effort. That buffering effect is associated with a delay in the onset of muscular fatigue — particularly relevant in events or training sessions where you are working at or near threshold for sustained periods.
The product is aimed at competitive and serious recreational athletes: track and road cyclists, middle- and long-distance runners, rowers, and anyone whose performance is limited by the accumulation of metabolic acid during repeated hard efforts. It is most relevant in training blocks where intensity is high and recovery between sessions is short.
Sodium bicarbonate supplementation is one of the more consistently supported ergogenic strategies in sports science. The challenge with it has historically been gastrointestinal discomfort — a well-known side effect when taken in standard bolus doses. Maurten's Bicarb System addresses this with a specifically developed delivery format designed to reduce that GI burden, which is the key differentiator from simply purchasing sodium bicarbonate in bulk.
This is not an everyday supplement. It is a targeted, session-specific tool for athletes who have already optimised the basics and want a protocol-driven edge on race day or in key training sessions.
What it does
Benefits
- 01
Buffers metabolic acid build-up during high-intensity effort
- 02
May delay onset of muscular fatigue at threshold
- 03
Designed to reduce typical GI discomfort of sodium bicarbonate
- 04
Suited to competition days and hard training sessions
- 05
Grounded in established sports science research
Get the most from it
How to use
Follow the protocol on the packaging — timing and preparation before exercise is specific to this system and matters for both efficacy and tolerability. Do not substitute a generic sodium bicarbonate dose; the format here is designed to manage gastrointestinal side effects.
What's inside
Ingredients
View full ingredient list
Sodium Bicarbonate
Common questions
Frequently asked
How is this different from just taking sodium bicarbonate powder?
Standard sodium bicarbonate taken as a bolus is well known for causing nausea, bloating, and gastrointestinal distress in many athletes. Maurten's Bicarb System uses a specific delivery format designed to reduce that GI burden — which is the primary reason to choose this over a generic source.
Who is this most relevant for?
Athletes competing or training at high intensities where metabolic acid accumulation limits performance — middle-distance runners, cyclists, rowers, and team sport athletes during repeated sprint efforts. It is less relevant for low-intensity or purely aerobic training.
When should I take it before exercise?
The timing is protocol-specific. Follow the instructions on the packaging exactly — the system is designed around a particular preparation window, and deviating from it may affect both efficacy and tolerability.
Are there any safety considerations I should know about?
Sodium bicarbonate may not be appropriate for individuals with kidney conditions, those on a sodium-restricted diet, or people taking certain medications. If you have any of these concerns, check with a clinician before use.
Should I test this in training before using it on race day?
Yes — this is standard practice with any new supplement protocol. Trialling the system in a hard training session first lets you assess your individual tolerability before relying on it in competition.
Doctor-guided care
Performance has a baseline.
Body composition, hormones, VO₂ max — we measure them all. Train against the picture, not against guesswork.
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