Your brain is about 2% of your body weight but uses roughly 20% of its oxygen. It depends on a steady supply of blood, and healthy circulation is one of the foundations of healthy brain function. That's why "circulation support" shows up so often in brain supplements. MemoCept and VapoCept take two different routes to that idea.
Why circulation matters for the brain
Blood delivers oxygen and glucose, the brain's fuel, and carries away waste. Blood vessels naturally become stiffer with age, and the same factors that harm the heart, such as high blood pressure, smoking, diabetes and inactivity, also affect the brain's blood supply. What's good for your heart is good for your brain.
What is nitric oxide?
Nitric oxide is a gas the lining of your blood vessels produces. It signals the muscle in vessel walls to relax, which widens the vessel and helps blood flow. Nitric oxide production tends to decline with age.
The amino acid approach: L-arginine and L-citrulline
L-arginine is the amino acid the body uses to make nitric oxide. L-citrulline is converted into arginine in the kidneys, and supplementing citrulline raises blood arginine more effectively than arginine itself, because much swallowed arginine is broken down before it reaches circulation. That's why formulas often combine both.
This was MemoCept's approach: 400 mg of arginine in two forms and 200 mg of citrulline in two forms per capsule. Research on these amino acids is strongest for blood flow and exercise performance, usually at gram-level doses; direct evidence for memory in healthy adults is limited. Arginine can lower blood pressure, so people on blood pressure medication, nitrates or erectile dysfunction drugs should check with a doctor.
The botanical approach: ginkgo
VapoCept doesn't use arginine or citrulline. Its circulation-related ingredient is ginkgo biloba, which has been studied for effects on blood flow in small vessels, along with antioxidant effects. The research on ginkgo for memory and focus is mixed. Read our ginkgo guide.
Natural ways to support healthy circulation
- Move daily. Aerobic exercise is the most reliable way to support blood vessel health.
- Eat nitrate-rich vegetables such as beets, spinach, arugula and celery, which the body can convert into nitric oxide.
- Know your blood pressure and keep it in a healthy range with your doctor.
- Don't smoke, and limit alcohol.
VapoCept
VapoCept uses ginkgo and other botanicals rather than amino acids.
Compare both formulas in full: MemoCept vs VapoCept.
Quick answers
What are the best amino acids for brain health?
The amino acids most discussed for brain circulation are L-arginine and L-citrulline, the basis of many amino acid brain supplement formulas, including MemoCept. L-arginine for brain health and L-citrulline for brain health are studied mainly through their effects on nitric oxide and blood flow.
How does nitric oxide relate to brain health?
Nitric oxide and brain health are linked through circulation: nitric oxide relaxes blood vessels, which supports blood flow. L-arginine circulation support and L-citrulline circulation support both work through this pathway, and amino acids for healthy circulation are studied mostly in heart and exercise research.
What supports healthy brain circulation?
Healthy brain circulation depends on heart health: exercise, healthy blood pressure, not smoking and a diet rich in vegetables. Nutrients for healthy brain circulation include dietary nitrates from beets and leafy greens. Brain circulation support, brain blood flow support and cerebral circulation support supplements are optional extras.
Is healthy circulation linked to memory?
Yes. Healthy circulation and brain function go together, and research on circulation and cognitive health consistently finds that heart-healthy habits support the brain. Healthy circulation and memory are linked because the brain depends on steady blood flow for oxygen and fuel.
These statements have not been evaluated by the Food and Drug Administration. VapoCept and MemoCept are dietary supplements and are not intended to diagnose, treat, cure, or prevent any disease. Talk to your doctor before starting any supplement.