Frequently Asked Questions

eudopa™ is a daily brain-health supplement that combines three research-backed nutrients — Citicoline, Phosphatidylserine, and Wild Blueberry Extract — to support focus, memory, and mental clarity, plus help protect long-term brain health, in just two capsules a day.

Unlike supplements that load up on 10–15 ingredients at token doses, eudopa™ uses three ingredients, each dosed at the levels shown to be effective in peer-reviewed clinical research. No proprietary blends, no guesswork.

eudopa™ is designed to support:

• Focus and mental clarity — sustained attention and reduced brain fog during demanding work or study
• Memory — better recall of names, details, and information
• Mental stamina — staying cognitively “on” longer without the afternoon slump
• Stress resilience — a calmer, clearer response to pressure (Phosphatidylserine has been shown to blunt the cortisol response to stress)
• Long-term brain health — ongoing support for healthy brain function as the ingredients build in your system over time

These aren’t five separate benefits requiring five separate mechanisms. Focus, memory, mental clarity, stamina, and stress resilience are all downstream effects of the same biological foundation: how well your brain cells function and communicate. Improve that foundation, and you often improve the things that depend on it.

eudopa™ is designed for adults 18+ who are not pregnant or breastfeeding. It’s a good fit for anyone looking to support focus, memory, and long-term brain health — especially:

• Students — during study sessions, exam prep, or any time sustained focus and better recall matter
• Working professionals — those managing demanding workloads, long meetings, or cognitive fatigue
• High performers — entrepreneurs, creatives, athletes, and anyone who wants their mind operating at its best
• Adults 45+ — those who want to be proactive about supporting cognitive function as they age

Almost everything you think, feel, or do depends on brain cells communicating effectively. That communication requires two things: healthy cell membranes that allow neurons to generate and regulate electrical signals, and the raw materials the brain needs to produce neurotransmitters like acetylcholine.

eudopa™’s three ingredients each support this foundation through a different, complementary mechanism:

• Citicoline (500 mg) — Builds. Provides choline for acetylcholine production and cytidine for cell membrane synthesis. Supports both neurotransmitter levels and the structural health of brain cells.
• Phosphatidylserine (100 mg active PS) — Maintains. A phospholipid that makes up a significant portion of brain cell membranes. Keeps them fluid and flexible for efficient signal transmission, and influences neurotransmitter activity including dopamine, serotonin, and acetylcholine. Also helps regulate the cortisol stress response.
• Wild Blueberry Extract (250 mg) — Protects. Anthocyanins cross the blood-brain barrier and accumulate in regions associated with memory and learning. They reduce oxidative stress, support healthy blood flow, and support neuroplasticity — the brain’s ability to adapt and form new connections.

Together: build, maintain, and protect — addressing cognitive health from complementary angles rather than forcing a short-term stimulant boost. Learn more about the science behind eudopa™.

Most brain supplements pack 10–15 ingredients into a capsule at small, ineffective doses and hope something sticks. We took the opposite approach: three ingredients, each at the doses used in published research, chosen because the research supports both their individual effectiveness and their synergy with each other.

This allows each ingredient to be dosed at the levels actually used in peer-reviewed research — rather than being diluted into insignificance to make room for a longer label. Less can be more when the dosing is right.

Take two capsules once daily, preferably in the morning. eudopa™ works with or without food, though taking it with a meal containing healthy fats may support absorption.

Pro tip: Pairing eudopa™ with fish oil or omega-3-rich foods can enhance the benefits. Try taking it with your morning coffee before focused work for an extra mental edge.

Yes. eudopa™ contains no caffeine or stimulants. It supports focus and mental energy through nutritional pathways — no jitteriness, no crash, no dependency.

It pairs well with caffeine if that’s already part of your routine. Try taking it alongside your morning coffee 30 minutes before focused work.

Yes. eudopa™ is designed for consistent daily use. Some users notice subtle improvements in focus or clarity within the first week or two, but the most meaningful benefits — better memory, reduced mental fatigue, and long-term brain-health support — build over weeks and months of consistent use.

Think of it the way you’d think about exercise or nutrition: the compounding effects depend on consistency. If you stop taking eudopa™, the effects will gradually diminish as the nutrient support declines.

Yes. eudopa™ can be taken with or without food. If you have a sensitive stomach, taking it with a meal containing healthy fats is recommended — it can reduce any digestive discomfort and may also support absorption. Pairing with fish oil or omega-3-rich foods is a good option.

The standard serving of two capsules is the dose supported by the research we reference. Here’s what the evidence says about the safety limits of each ingredient:

• Citicoline: Studies show doses up to 2,000 mg/day are considered safe. eudopa™ uses 500 mg — well within this range. Interestingly, cognitive benefits like attention often respond better to moderate doses, so more isn’t necessarily better.
• Phosphatidylserine: Studies support doses of 100–300 mg of active PS per day. eudopa™ provides 100 mg of active PS (delivered through 200 mg of soy-derived PS extract), combined with citicoline which independently supports the same cell membrane pathways.
• Wild Blueberry Extract: Studies have used doses up to 640 mg/day without adverse effects. eudopa™ uses 250 mg.

If you’re considering taking more than one serving, we’d recommend consulting a healthcare provider first.

eudopa™ contains three ingredients, each at the doses used in published research:

• Citicoline — 500 mg. A naturally occurring compound found in every cell of your body, and one of the most researched forms of choline available. Supports acetylcholine production (critical for memory, attention, and learning) and cell membrane synthesis.
• Phosphatidylserine — 100 mg active PS (from 200 mg soy-derived PS extract). A phospholipid that makes up a significant portion of brain cell membranes. Keeps them fluid and flexible for efficient signaling, and helps regulate the stress hormone cortisol.
• Wild Blueberry Extract — 250 mg. Standardized for anthocyanins — the dark-pigmented plant compounds studied extensively for brain health. Cross the blood-brain barrier to reduce oxidative stress, support blood flow, and promote neuroplasticity.

No fillers, no proprietary blends. What’s on the label is what’s in the bottle. See our Certificate of Analysis for details.

It varies by individual, but here’s a general timeline based on how the ingredients work:

• Weeks 1–2: The ingredients are building in your system. Some people notice subtle improvements in mental clarity or a feeling of calmer focus. Others may not notice much yet — and that’s normal. The foundational work is happening at the cellular level.
• Weeks 3–4: Improved ability to sustain focus during long tasks, better recall of names and details, less mental fatigue in the afternoon. Some users notice improved stress tolerance.
• Month 2: This is where clinical research suggests measurable changes begin to appear. The Nakazaki (2021) citicoline study found cognitive benefits as early as 4–8 weeks into 12 weeks of use.
• Month 3+: Sustained improvements in memory, focus, and clarity that feel like your new cognitive baseline. Greater resilience to cognitive fatigue.

Individual results vary depending on baseline nutrition, sleep, stress, and overall health. The benefits compound with consistent daily use.

Yes. Citicoline and Wild Blueberry Extract have both been studied in clinical trials lasting months to years with strong safety profiles. Phosphatidylserine has a long history of safe use in research settings and is generally well-tolerated, though its evidence base comes primarily from shorter-duration studies and observational data rather than long-term clinical trials.

All three ingredients are naturally occurring compounds, and eudopa™ is specifically designed for sustained daily use. Like any nutritional approach, the long-term benefits depend on consistency.

All three ingredients in eudopa™ have strong safety profiles at the doses we use. Most people tolerate them well. That said, some users report mild side effects, particularly when first starting:

• Headaches: Can occur as your body adjusts to increased choline intake, or if you’re already taking other supplements that boost acetylcholine (Alpha-GPC, choline bitartrate, Huperzine A, etc.). If headaches persist, reduce frequency or discontinue and consult a healthcare provider.
• Nausea or digestive discomfort: Usually resolved by taking eudopa™ with a meal containing healthy fats rather than on an empty stomach.
• Sleep disruption: Although eudopa™ contains no stimulants, the ingredients can have an activating effect in some people. Take it in the morning to minimize any impact on sleep.

If you experience any discomfort, discontinue use and consult a healthcare provider. If you are pregnant, nursing, or on prescription medication, speak with your doctor before starting any new supplement.

eudopa™ is generally safe to take alongside most supplements and pairs well with caffeine. However, we recommend consulting a healthcare provider before use if you are:

• Taking blood thinners
• Taking dopaminergic or cholinergic drugs
• Diagnosed with hypertonia of the parasympathetic nervous system

When in doubt, check with your doctor. This is good practice with any supplement.

eudopa™ is not recommended during pregnancy or while breastfeeding. While the ingredients are naturally occurring, there is insufficient research on their safety in these populations to recommend use. Only take eudopa™ if you have been advised by your healthcare professional that it is safe to do so.

The ingredients in eudopa™ are naturally occurring and generally well-tolerated. However, if you have a significant pre-existing health condition, we recommend checking with your doctor before starting any new supplement, including eudopa™.

Discontinue use and consult your healthcare provider. The risk of adverse effects from eudopa™’s ingredients at these doses is low, but everyone’s physiology is different. If you’re experiencing headaches, try reducing to one capsule per day or checking whether another supplement you’re taking also contains choline-boosting ingredients.

Yes. eudopa™ is a licensed Natural Health Product regulated by Health Canada and carries Natural Product Number (NPN) 80128279. This means the product has been assessed for safety, efficacy, and quality before being authorized for sale in Canada.

It is manufactured in a GMP-certified facility in Edmonton, Alberta, and every batch is third-party tested for purity, potency, and contaminants. We think transparency and regulatory compliance should be the baseline — not a selling point — but we know it matters when you’re choosing a supplement you’re going to take every day.

It means that every batch of eudopa™ is sent to an independent laboratory — one with no financial relationship to NeuroVesa — to verify that the product contains exactly what’s on the label, at the doses stated, with no contaminants.

This is how we can say with confidence: what’s on the label is what’s in the bottle. No more, no less.

We offer a 60-day money-back guarantee, no questions asked. If you’re not satisfied with eudopa™ for any reason within 60 days of delivery — even if the bottle has been opened — we’ll refund you in full.

To request your refund, email support@neurovesa.com with your order number. You do not need to return the bottle — keep it or discard it. Refunds are typically processed within about 10 business days.

Yes. Free shipping is available within Canada and the United States on orders over $100 (before tax). For orders under that threshold, a flat rate applies: $5.99 in Canada and $9.99 (USD) in the United States. All subscription orders include free shipping on every delivery, regardless of order total.

We currently ship within Canada and the United States only. We don’t ship to other countries yet — if you’re outside Canada or the U.S. and would like to order, email support@neurovesa.com. For full details, visit our Shipping Policy page.