Checked against public sources on August 1, 2026 · LookCloser does not sell or recommend supplements.
Does the marketing hold up?
Ingredient amounts are hidden inside “Core Nutrients Blend”. The panel lists “Core Nutrients Blend” (8.7 g) as a combined amount. A blend total can’t tell you whether any single ingredient reaches a dose used in research.
“Couldn’t verify” means we looked and found no public proof — not a mark against the product. Most supplement claims cannot be independently verified by anyone, so grey is the normal state of this industry.
| Calories | 20 |
|---|---|
| Total Carbohydrate | 15 g |
| Dietary Fiber | 6 g |
| Total Sugars | <0.5 g |
| Includes 0 g Added Sugars | 0 g |
| Vitamin A (as retinyl palmitate) | 900 mcg RAE |
| Vitamin C (as ascorbic acid) | 93 mg |
| Vitamin D (D3) (as cholecalciferol) | 20 mcg |
| Vitamin E (as d-alpha-tocopherol) | 15 mg |
| Thiamin (as thiamin hydrochloride) | 1.2 mg |
| Riboflavin (Vitamin B2) | 1.3 mg |
| Niacin (as niacinamide) | 16 mg |
| Vitamin B6 (as pyridoxal-5-phosphate) | 1.7 mg |
| Vitamin K2 (as menaquinone-7) | 120 mcg |
| Folate (as L-5-methyltetrahydrofolate) | 400 mcg DFE |
| Vitamin B12 (as methylcobalamin) | 2.4 mcg |
| Biotin | 30 mcg |
| Pantothenic Acid (as calcium d-pantothenate) | 5 mg |
| Iron (as ferrous fumarate) | 4.5 mg |
| Iodine (as potassium iodide) | 38 mcg |
| Zinc (as zinc citrate) | 2.75 mg |
| Selenium (as sodium selenite) | 14 mcg |
| Copper (as copper citrate) | 0.22 mg |
| Manganese (as manganese gluconate) | 0.57 mg |
| Chromium (as chromium chloride) | 9 mcg |
| Molybdenum (as sodium molybdate) | 11 mcg |
| Core Nutrients Blend | 8.7 g |
Printed on the package: Sugar-Free · Vegan · Gluten-Free · Nut-Free · Dairy-Free · Non-GMO · Gluten Free · Nut Free
We read 27 lines from the package photograph. It is our transcript of the label, not the manufacturer’s panel, and it may be incomplete.
1 promise needs a closer look.
Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.
Ingredient research can support context, but it is not a trial of this exact product.
We found no named, citable study of this product or formula. The claim may rest on ingredient research rather than a trial of this product.
No named laboratory or lot-specific certificate was found for this exact product. The exact brand page names no testing issuer and links no product-bound report. Under NSF/ANSI 173, NSF lists Gruns Nutrition, Inc. products, including Nütrops by Grüns Functional Nootropics Gummies, but not this exact SKU. IFOS, USP, and Informed-Sport were not checked in this record. This is a public-evidence limit, not a finding that testing did not occur.
We looked and found no public proof. That does not count against the product.
Headlines first. Open evidence only when you want the source trail.
The barcode matches, so we are checking the right product rather than a look-alike.
The brand's store lists this exact barcode as “Grüns” (variant: Sugar-Free / 28 Packs) — identity confirmed across retailer listings.
Locked evidence record →Open the full source-linked findingA count that moves steadily is ordinary. A sudden burst is what deserves a closer look.
Written reviews rose from 101 to 479 between July 9, 2025 and July 23, 2026. The largest rise inside any single 30-day window was about 59, so the count moved in steps rather than in one burst.
Locked evidence record →Open the full source-linked findingThese are evidence gaps, not strikes against the product.
Filed address
14205 N MoPac Expy, Ste 570, PMB 19591, Austin, Texas 78728, UNITED STATES
USPTO identifies the public owner or applicant behind this brand wordmark. This does not by itself identify the product manufacturer or prove where the product was made. Open USPTO source ↗
We could not match an amount on this product to a studied range for the same ingredient, so these links are ingredient background rather than a measurement of this product.
Not a score. Studies disagree with each other and change over time, so this sits beside the evidence rather than counting toward it — it is here so you can read the sources yourself.
The panel lists 6 g of prebiotic fiber (inulin-type) per serving. Studies we found used 3 g–10 g a day, so this sits inside that range.
Study ranges differ between trials and change as research changes. This is background reading, not a pass, a failure, or a recommendation.
The panel lists 3 mg of zinc per serving. Studies we found used 8 mg–40 mg a day, so this sits below that range.
Study ranges differ between trials and change as research changes. This is background reading, not a pass, a failure, or a recommendation.
$2.64 per labeled serving
matching UPC/GTIN · checked Aug 1, 2026
View on Amazon ↗$3.14 per labeled serving
matching UPC/GTIN · checked Aug 1, 2026
View on Brand website ↗We only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search iHerb ↗We only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search Target ↗We only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search Walmart ↗Same UPC/GTIN observed across 2 sellers. Amazon was lowest at $74.00; Brand website was highest at $87.99 — a $13.99 range at check time.
Reference prices only · no affiliate links · every compared seller must publish the matching UPC/GTIN.
The full report shows every source, the exact unresolved question, and the documentation that would settle it.
Record built August 02, 2026. Sources: source listing observed at check time · USPTO Trademark Search · Keepa exact-listing history · NIH / published research · certification and regulator records where available. LookCloser publishes evidence and gaps; it does not advise for or against any supplement. Evidence-based corrections welcome.