Neuro Sharp vs Synaptigen
Data-backed comparison · updated Nov 9, 2026
Winner: Synaptigen 🏆
- Synaptigen has a higher SiftScore (75.0 vs 72.5).
- Synaptigen offers a longer refund window (180 vs 90 days).
Side-by-side comparison
| Neuro Sharp | Synaptigen | |
|---|---|---|
| Price | $79.00 | $79.00 |
| Refund | 90 days | 180 days |
| Type | supplement | supplement |
| Format | Tablets | |
| SiftScore | 72.5 | 75.0 |
| Goals | — | — |
| Best for | Adults comparing a brain-health capsule who will ask for the label first | Adults comparing a probiotic tablet for everyday memory support |
| Pros | 90-day money-back guarantee, Two-bottle minimum at $79 per bottle, Names ginkgo biloba, bacopa monnieri and huperzine-A in the page copy, Page states manufactured in the USA following safety guidelines, One-time purchase with no autoship | 180-day money-back guarantee, Melt-in-the-mouth tablet, one per day, Names seven ingredients, including three probiotic strains and inulin, Page states non-GMO, stimulant-free and easy to use, One-time purchase with no autoship |
| Cons | No full ingredient panel or milligram amounts are published, The page says the label lists the blend but does not show it, The reference list implies ingredients (L-glutamine, phosphatidylserine, St John's wort, alpha-GPC) that are never confirmed in the formula, The page mixes memory claims with nerve-health and mobility claims, No individual reviews are published | No milligram amounts or CFU counts are published, No product-specific trial is linked, The "clearing sugar buildup from neurons" story is not established for an oral probiotic, Probiotic strains for cognition have limited and strain-specific evidence, No individual reviews are published, only a 12,643-review aggregate |
The short version
Neuro Sharp and Synaptigen are both published in the Memory category. Their documented SiftScores are 72.5 and 75.0, a difference of 2.5 points. The verdict above lists the documented reasons: Synaptigen has a higher SiftScore (75.0 vs 72.5).; Synaptigen offers a longer refund window (180 vs 90 days)..
Price and refund terms
At the documented single-purchase price, Neuro Sharp is $79.00 and Synaptigen is $79.00. The two prices are identical in our captured data. Refund terms: Neuro Sharp 90-day refund window; Synaptigen 180-day refund window. A longer window reduces the risk of a failed experiment, but it does not make the formula better. The Value component of the score accounts for both the price relative to the category median and the refund window.
Formula and transparency
Neuro Sharp lists no complete ingredient list in our captured data. Synaptigen lists no complete ingredient list in our captured data. The two formulas do not share any named ingredients in our data. One side publishes no ingredient list at all, so the formula comparison is limited to the documented side; the missing list is a transparency gap, not a neutral tie. Neuro Sharp has no documented red flags in our data. Synaptigen has no documented red flags in our data. Ingredient order and blend totals are not the same as per-serving doses; without a Supplement Facts panel, part of the formula remains unknown. A longer ingredient list is not automatically a better formula; disclosure, dose and evidence quality matter more than the count.
Who should consider Neuro Sharp
Consider Neuro Sharp if the documented profile fits you: the page positions it for Adults comparing a brain-health capsule who will ask for the label first. It is a supplement product at $79.00 with 90-day refund window refund terms. This is a fit based on documented attributes, not a claim that it works for your health situation.
Who should consider Synaptigen
Consider Synaptigen if the documented profile fits you: the page positions it for Adults comparing a probiotic tablet for everyday memory support. It is a tablets product at $79.00 with 180-day refund window refund terms. If both fit, the refund window and formula disclosure are the tie-breakers, not the marketing.
What would change this verdict
This verdict is not permanent. It would change if a product publishes per-ingredient doses, removes a documented red flag, changes its price or refund window, or adds a product-specific trial. Today, the documented refund gap is 90 days and the score gap is 2.5 points; either can change with the next data refresh. We capture data daily and recompute the score after each refresh; the comparison page follows the data. If you spot a value that no longer matches the official page, report it through the contact page and we will verify it against the source.
What this comparison does not tell you
What this page does not tell you: whether either product is safe for you, whether it will work for your goals, or how it interacts with your medication. For this pair, the documented formula lists 0 named ingredients for Neuro Sharp and 0 for Synaptigen. The documented price gap is $0.00. Doses are not published for every product in our data; when they are missing, we leave them unknown instead of guessing. Where an ingredient list is missing entirely, we record that as unknown rather than assuming a formula. Reviews are sourced customer statements, not clinical evidence. Use the individual product pages for the full safety and verification notes, and speak to a qualified professional about your own situation. Treat this comparison as a dated snapshot, not a guarantee or a medical recommendation.