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Angsi Forest Challenge

Gels vs Real Food at Ultra Aid Stations

Gels or real food in an ultra? What the research says, how much carbohydrate…
Trail run & mountain biking

Why Your Stomach Fails During Ultras and How to Train It

Stomach problems during ultras: why heat and long hours shut your gut down, what…
Katsuo Stamina product photo

Anserine and Carnosine for Athletes: What the Research Shows

What anserine and carnosine are, where they come from, and what human trials show…
Runner training on a trail in hot weather, illustrating hydration and electrolytes for running in Malaysia

Caffeine for Ultras: How Much, When, and When to Stop

Caffeine for ultramarathons: the dose that works, why to save it for the night,…
Runner training on a trail in hot weather, illustrating hydration and electrolytes for running in Malaysia

When to Take a Gel in a Marathon: Your First Gel and How Often

Take your first gel 30 to 45 minutes in, then one every 20 to…
Runner on a quiet rural road during a long training run

Race Fueling Calculator: Carbs, Fluid and Sodium for Race Day

Free race fueling calculator: turn your hourly carbs, fluid and sodium targets into race-day…
Runner training on a trail in hot weather, illustrating hydration and electrolytes for running in Malaysia

How Many Carbs Per Hour Do You Need for Running?

None under 45 minutes, 30 to 60 g for one to two and a…

Ultra Drop Bag Checklist: What to Pack for a Malaysian Trail Ultra

What to put in your drop bags for a hot, wet trail ultra, how…
Elec Stamina

KLSCM Race Nutrition Plan: What to Eat and Drink, Hour by Hour

A night-start marathon in KL humidity changes when you eat, drink and take sodium.…
kastuostamina-scientific-proof

Is Katsuo Stamina a BCAA? How the Two Differ

BCAAs are three free amino acids sold for muscle building. Katsuo Stamina is a…
QC sTAMINA JAPAN

Protein During Ultramarathons: Do You Actually Need It?

Protein supplies a small share of your energy in a long race, and carbohydrate…
丹羽薫

Hot, Humid Trail Ultras in Malaysia: 20 Tips That Actually Help

How to prepare for a trail ultra in tropical heat and afternoon storms: heat…