Nitric Boost Ultra vs Vigor X
Data-backed comparison · updated Nov 9, 2026
Winner: Nitric Boost Ultra 🏆
- Nitric Boost Ultra has a higher SiftScore (65.0 vs 64.8).
- Vigor X is cheaper ($69.00 vs $194.00).
Side-by-side comparison
| Nitric Boost Ultra | Vigor X | |
|---|---|---|
| Price | $194.00 | $69.00 |
| Refund | 60 days | 60 days |
| Type | supplement | supplement |
| Format | Powder | |
| SiftScore | 65.0 | 64.8 |
| Goals | — | — |
| Best for | Men comparing a nitric-oxide powder for blood flow and stamina | Adult men comparing performance supplements |
| Pros | 60-day money-back guarantee, Single jar available at $69, One scoop daily, powder format, Names eight ingredients: beet root, L-arginine, L-citrulline malate, niacin, horny goat weed, ginkgo biloba, dong quai and D-aspartic acid, Page states vegan, dairy-free, GMP-certified, non-GMO and made in the USA | 60-day money-back guarantee, Single-bottle price published ($69), No stimulants, per the page, Manufactured in an FDA-registered facility, per the page |
| Cons | No per-ingredient doses are published, No trial of the finished powder is linked; the page cites nitric-oxide and arginine studies only, The "manhood molecule" news-style section overstates what the formula is shown to do, D-aspartic acid testosterone claims are not supported by consistent human evidence | No ingredient list is published, No per-ingredient doses, No product-specific clinical trial is linked, Testosterone and performance claims are unproven for the formula, The "5-star" rating has no published review count |
The short version
Nitric Boost Ultra and Vigor X are both published in the Men's Health category. Their documented SiftScores are 65.0 and 64.8, a difference of 0.2 points. The verdict above lists the documented reasons: Nitric Boost Ultra has a higher SiftScore (65.0 vs 64.8).; Vigor X is cheaper ($69.00 vs $194.00)..
Price and refund terms
At the documented single-purchase price, Nitric Boost Ultra is $194.00 and Vigor X is $69.00. The difference is $125.00, before shipping or bundle discounts. Refund terms: Nitric Boost Ultra 60-day refund window; Vigor X 60-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
Nitric Boost Ultra lists no complete ingredient list in our captured data. Vigor X 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. Nitric Boost Ultra has no documented red flags in our data. Vigor X has 1 documented red flag: exaggerated-claims. 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 Nitric Boost Ultra
Consider Nitric Boost Ultra if the documented profile fits you: the page positions it for Men comparing a nitric-oxide powder for blood flow and stamina. It is a powder product at $194.00 with 60-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 Vigor X
Consider Vigor X if the documented profile fits you: the page positions it for Adult men comparing performance supplements. It is a supplement product at $69.00 with 60-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 0 days and the score gap is 0.2 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 Nitric Boost Ultra and 0 for Vigor X. The documented price gap is $125.00. 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.