Protocol·Cognition·Intermediate·Reviewed June 9, 2026
Cognitive Longevity and Neuroprotection Protocol.
An evidence-based stack aimed at supporting long-term cognitive function, memory, and neuronal resilience through omega-3 fatty acids, choline precursors, and adaptogenic and antioxidant compounds. It targets the modifiable biology of cognitive aging while keeping doses within ranges studied in human trials.
The cognitive longevity and neuroprotection protocol in brief.
A quick summary. The full stack, with dose and timing for each supplement, is below.
The Cognitive Longevity and Neuroprotection Protocol is an intermediate stack of 5 supplements aimed at cognition: Fish Oil, Bacopa Monnieri, Citicoline, Lion's Mane, and Vitamin B12. 3 are core and the rest are optional add-ons, at roughly $45-80/mo. Each supplement below lists its dose, timing, role, and the evidence behind it.
What is in the cognitive longevity and neuroprotection 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 |
|---|---|---|---|---|
| Fish Oil | 1000-2000 mg combined EPA+DHA daily | With a meal containing fat to improve absorption | Core | Moderate |
| Bacopa Monnieri | 300 mg standardized to 50% bacosides daily | With a meal, consistent daily use for 8-12 weeks | Core | Moderate |
| Citicoline | 250-500 mg daily | Morning, with or without food | Core | Moderate |
| Lion's Mane | 1000 mg of fruiting body extract daily (divided) | With meals, morning and midday | Optional | Emerging |
| Vitamin B12 | 500-1000 mcg daily | Morning with food | Optional | Moderate |
DHA is a structural component of neuronal membranes, and higher omega-3 status is associated with larger brain volume and slower cognitive decline in older adults. Supplementation is the anchor of this stack for long-term neuroprotection.
Bacopa is one of the better-studied nootropic botanicals, with meta-analyzed trials showing improvements in delayed word recall and memory acquisition after sustained use, making it a core memory-support member of the stack.
Citicoline supplies choline and cytidine for phospholipid synthesis and acetylcholine production, with trials reporting improved attention and memory in older adults experiencing mild memory complaints. It complements the membrane-support theme alongside fish oil.
Lion's Mane contains hericenones and erinacines that stimulate nerve growth factor in preclinical models, and a small controlled trial in older adults with mild cognitive impairment found improved cognitive scores during supplementation. Included as an emerging neurotrophic support.
B12 deficiency is a common and correctable cause of cognitive impairment in older adults, and adequate status supports homocysteine metabolism that is implicated in brain atrophy. Included to remove a reversible contributor to cognitive decline.
How the pieces combine.
The mechanistic rationale for stacking these together rather than taking them in isolation.
- Fish oil and citicoline both feed neuronal membrane phospholipid synthesis from complementary angles (DHA supplies the fatty-acid backbone while citicoline supplies choline and cytidine), supporting membrane integrity together.
- B12 supports the homocysteine-lowering pathway whose benefit on brain atrophy in trials was strongest in people with higher omega-3 status, so pairing it with fish oil is biologically coherent.
- Bacopa and Lion's Mane target memory through distinct mechanisms (cholinergic and antioxidant modulation versus nerve growth factor signaling), allowing layered cognitive support without overlapping dose ceilings.
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.
- Livingston G, et al. Dementia prevention, intervention, and care: 2020 report of the Lancet Commission. Lancet. 2020.
- McGrattan AM, et al. Diet and inflammation in cognitive ageing and Alzheimer's disease. Curr Nutr Rep. 2019.
Common questions.
Quick answers drawn from the stack above.
What is in the Cognitive Longevity and Neuroprotection Protocol?
The Cognitive Longevity and Neuroprotection Protocol combines 5 supplements for cognition: Fish Oil, Bacopa Monnieri, Citicoline, Lion's Mane, and Vitamin B12. 3 are core; the rest are optional.
How much does the Cognitive Longevity and Neuroprotection Protocol cost?
NutriStack estimates the Cognitive Longevity and Neuroprotection Protocol at about $45-80/mo, depending on the forms and brands you choose and whether you run the optional add-ons.
Is the Cognitive Longevity and Neuroprotection Protocol backed by evidence?
Each supplement in the protocol carries its own evidence tier (0 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 cognitive longevity and neuroprotection 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.