UltimateBrain.io Guides
Everything you need to support dual n-back: best apps, practice strategies, sleep, nutrition, breathing, and supplements.
Start with these core guides
Best Dual N-Back Apps
Compare leading apps and see why UltimateBrain.io ranks among the top evidence-based trainers.
Read the comparison →
Training Strategies
Structure sessions, pacing, and progression so you can improve consistently without burnout.
View the strategy guide →
Explore guides by focus
Pick the area you want to improve and dive into the supporting guide.
Sleep Optimization
Improve deep sleep and recovery to make training sessions stick.
Sleep guide →
Clean Diet & Food Sensitivities
Reduce fog and sustain focus by dialing in nutrition and identifying triggers.
Nutrition guide →
Breathing Exercises
Use simple breathing protocols to sharpen attention before and during practice.
Breathing guide →
L-Theanine + Caffeine
Pair calm focus with alertness for longer, higher-quality sessions.
Stack guide →
Creatine
Support brain energy demands during cognitively heavy blocks.
Creatine guide →
Choline
Back the neurotransmitter load of dual n-back practice.
Choline guide →
Lion's Mane
Support neuroplasticity and focus with a well-studied mushroom extract.
Lion's Mane guide →
Bacopa Monnieri
Build memory formation over weeks of consistent use.
Bacopa guide →
Phosphatidylserine
Support stress resilience and working-memory performance.
PS guide →
Huperzine A
Increase acetylcholine availability for learning-heavy sessions.
Huperzine A guide →
Caprylic Acid (C8)
Quick ketone energy to support mental clarity.
C8 guide →
Acetyl-L-Carnitine
Support mitochondrial output and sustained focus.
ALCAR guide →
PQQ
Mitochondrial support for long training blocks.
PQQ guide →
More resources
Dual N-Back Studies
Evidence base across trials, meta-analyses, and imaging.
See the research →
Dual N-Back FAQ
Quick answers on how to train, level up, and track progress.
Read the FAQ →