Protocol·Cognition·Beginner·Reviewed June 9, 2026
Focus and Attention Protocol.
A conservative, evidence-based stack aimed at supporting sustained attention, working memory, and calm focus during demanding cognitive work. It pairs adaptogenic and amino-acid calm-focus support with choline-donor and omega-3 building blocks for cognitive function.
The focus and attention protocol in brief.
A quick summary. The full stack, with dose and timing for each supplement, is below.
The Focus and Attention Protocol is a beginner stack of 5 supplements aimed at cognition: L-Theanine, Caffeine, Bacopa Monnieri, Citicoline, and Fish Oil. 3 are core and the rest are optional add-ons, at roughly $35-65/mo. Each supplement below lists its dose, timing, role, and the evidence behind it.
What is in the focus and attention protocol.
Dose, timing, role, and evidence tier for each supplement. Core items carry the protocol; optional ones are situational. Open any name for the full profile.
| Supplement | Dose | Timing | Role | Evidence |
|---|---|---|---|---|
| L-Theanine | 100-200 mg | Morning, often paired with caffeine | Core | Moderate |
| Caffeine | 50-100 mg | Morning, with L-Theanine; avoid late-day dosing | Core | Strong |
| Bacopa Monnieri | 300 mg standardized to 55% bacosides | Daily with food; benefits build over 8-12 weeks | Core | Moderate |
| Citicoline | 250-500 mg | Morning with food | Optional | Emerging |
| Fish Oil | 1000-2000 mg combined EPA+DHA | Daily with a meal containing fat | Optional | Moderate |
Promotes a calm, alert state by increasing alpha brain-wave activity and blunting the jittery edge of stimulants, supporting steadier attention without sedation.
A well-characterized adenosine antagonist that improves alertness, reaction time, and vigilance; combined with L-Theanine it delivers focus with fewer of the anxiety and crash effects seen with caffeine alone.
A traditional nootropic with randomized-trial support for improved memory acquisition and information processing speed when taken consistently over several weeks.
A choline donor and precursor to phosphatidylcholine and acetylcholine that has shown improvements in attention and psychomotor speed in healthy adults in controlled trials.
Provides the long-chain omega-3 fatty acids EPA and DHA that are structural components of neuronal membranes and support overall cognitive function, with the strongest signal in those with low baseline intake.
How the pieces combine.
The mechanistic rationale for stacking these together rather than taking them in isolation.
- L-Theanine and Caffeine are the best-studied pairing in the stack: theanine smooths the arousal curve of caffeine so attention gains arrive without the jitter or rebound crash.
- Citicoline supplies choline for acetylcholine synthesis while Fish Oil supports the neuronal membranes that house cholinergic signaling, so the two complement each other on the structural and neurotransmitter sides of focus.
- Bacopa Monnieri works on a slower timescale (weeks of consolidation), providing a durable memory and processing-speed base beneath the same-day alertness from the theanine-caffeine pairing.
Cost and commitment.
A rough monthly cost and how involved the protocol is to run.
The evidence behind it.
Overview citations for this protocol. Each supplement's own profile carries its full source list.
- Owen GN, Parnell H, De Bruin EA, Rycroft JA. The combined effects of L-theanine and caffeine on cognitive performance and mood. Nutritional Neuroscience. 2008.
- Pase MP, Kean J, Sarris J, et al. The cognitive-enhancing effects of Bacopa monnieri: a systematic review of randomized, controlled human clinical trials. Journal of Alternative and Complementary Medicine. 2012.
Common questions.
Quick answers drawn from the stack above.
What is in the Focus and Attention Protocol?
The Focus and Attention Protocol combines 5 supplements for cognition: L-Theanine, Caffeine, Bacopa Monnieri, Citicoline, and Fish Oil. 3 are core; the rest are optional.
How much does the Focus and Attention Protocol cost?
NutriStack estimates the Focus and Attention Protocol at about $35-65/mo, depending on the forms and brands you choose and whether you run the optional add-ons.
Is the Focus and Attention Protocol backed by evidence?
Each supplement in the protocol carries its own evidence tier (1 rated strong here) and links to PubMed-cited sources. NutriStack does not rank or score brands and takes no manufacturer payments; this is an informational reference, not medical advice.
Build it in the app
Run the focus and attention protocol in NutriStack.
Add the stack to NutriStack to track timing, screen it for interactions, and see a Stack Score that updates as you tune it.