How to Dose
Engineered with over 25 years of performance research, developed by leading scientists and sports professionals to deliver maximum results with minimal side effects.
Pick your protocol
Step 1
Baseline Protocol (0.2 g/kg): For first-time users or those testing tolerance.
Performance Protocol (0.3 g/kg): For experienced athletes looking for maximum effect.
Split Your Dose
Step 2
Take half your dose 3 hours before training or competition.
Take the other half 2 hours before.
Splitting helps absorption and lowers risk of stomach discomfort.
Pair With Light Carbs
Step 3
Combine each serving with a small carbsnack for comfort and steady uptake.
Recommended options:
Banana
Rice cakes
Toast with honey
Low-fiber sports bar
White rice with a little chicken
tEST BEFORE GAMEDAY
STEP 4
Trial your protocol during training before competition.
If sensitive, lower the dose (0.2 g/kg) or add extra carbs with each serving.
Sensitivity Note
Summary: Backed by decades of research — take pHastr in two servings (3h + 2h before), pair with light carbs, and test it in training before match day.
Note: Around 5% of athletes will remain sensitive to pHastr regardless of dosing strategy.