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Dr. Berg Magnesium Glycinate Powder for Sleep, Relaxation, & Stress Relief

4 concrete dimensions confirmed · 1 still open · built August 02, 2026

Exact product image from the source listing
Exact product checkedGTIN 00810110790988 · checked 2026-07-31

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How to read this report

What this is. We compare what a listing claims against what public records show — label arithmetic, barcode registries, NIH’s label catalog, FDA enforcement data, certification registries, and published research. Every statement below traces to one of those.

What the states mean. Confirmed = an outside source agrees. Contradicted = an outside source disagrees. Caution = something needs explaining. No data = we looked and found nothing — a gap, not a strike.

What it is not. A clean record is not an endorsement and never proof a product works. A thin record is not an accusation. We publish evidence and gaps; the conclusion is yours. Nothing here is medical advice.

Something wrong? Every figure is meant to be checkable — sources are named and linked. Send a correction and we’ll fix the record.

Panel, decoded

The 1.7 mg vitamin b6 (as pyridoxal-5-phosphate) claim matches the panel

MARKETING1.7 mg — listing title
PANELVitamin B6 (as pyridoxal-5-phosphate) 1.7 mg — same amountMagnesium (as magnesium glycinate) 325 mg
matches panel

We did the comparison: the listing claims 1.7 mg of vitamin b6 (as pyridoxal-5-phosphate), and the listing-image panel shows 1.7 mg vitamin b6 (as pyridoxal-5-phosphate) 1 scoop (5 g). Those amounts agree. This is internal consistency, not independent lab testing.

Panel rowAmount%DVWhat to notice
Calories10 g
Total Carbohydrate1 g
Vitamin D (as cholecalciferol)25 mcg
Vitamin B6 (as pyridoxal-5-phosphate)1.7 mg
Magnesium (as magnesium glycinate)325 mg
Zinc (as zinc picolinate)10 mg

vision:claude-cli:subscription Amounts are shown as listed panel data, not independently lab-tested contents.

Every check we ran

Confirmed evidence

What checked out5

These checks found support in the public record. They confirm specific facts, not the product as a whole.

Full label filed with NIH — ingredients on public record

Label #238774 “Dr. Berg's Electrolyte Powder Raspberry & Lemon Natural Flavor” (Dr. Berg Nutritionals), entered 2020-12-26, with the full Supplement Facts on file. NIH marks this label as off-market (superseded or discontinued version). Company on file: Manufacturer — Dr. Berg Nutritionals, Alexandria, VA.

Confirmed

Every ingredient amount is disclosed

The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.

Confirmed

Exact trademark owner identified

USPTO lists The Health & Wellness Center Inc. (CORPORATION) in VIRGINIA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.

Confirmed

Barcode confirmed in an outside database

Open Food Facts resolves 810110790988 to "Magnesium Powder" (Dr Berg) — consistent with this listing.

Confirmed

The review count moved gradually, not in one burst

Written reviews rose from 84 to 270 between July 4, 2025 and July 31, 2026. The largest rise inside any single 30-day window was about 19, so the count moved in steps rather than in one burst.

Confirmed

Documented concerns

What needs caution0

These are documented contradictions or claims that need more evidence. They are separate from missing data.

No contradictions or product-specific cautions were found at this check depth.

Unresolved public record

What is still missing7

We looked for these signals but could not settle them from public sources. A gap is not a strike.

Listed amounts fit the serving

Technical check only: the panel’s 4 actives sum to 337 mg, which fits inside the ≈5,000 mg serving. This means the numbers are physically possible — it does not mean the formula was validated or the contents confirmed.

No data

Photo-read pack math is internally consistent

50 servings × 5 g = 250 g, matching the printed net weight 240 g (Net wt 8.47 oz (240 g)). This checks agreement within the photo read; it is not an independent contents test.

No data

Research context is available for the listed ingredients

Published sources describe how magnesium, zinc have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.

No data

FDA recall appears in this brand's history

This recall is not about the product on this page. Health & Wellness Center, Inc. recalled a different product on September 24, 2021. FDA has since closed that case. The recalled item was “Dr. Berg Nutritionals, Liquid Vitamin D with Zinc Dietary Supplement ( Liquid Vitamin D ), Individual 1 FL OZ bottle (with no secondary packaging), Glass bottle. The label of t”. FDA recorded the reason as “Product recalled because of the presence of mold and/or yeast found in amounts that exceed the product's established specifications ”. Verify at FDA’s recall database.

No data

This item belongs to a catalog variation family

The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.

No data

180-day review-count history is on file

Exact-listing history records written-review counts from 76 on 2025-06-27 to 270 on 2026-07-31 (net +194). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.

No data

Package and trademark records name different responsible entitie

The package says distributed by: Dr. Eric Berg DC, 201 Ford Avenue, Alexandria, VA 22302. USPTO names The Health & Wellness Center Inc. as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the saved records do not establish the relationship.

No data

What to ask and check

What would settle the open questions

Why is this shown?
Everything we couldn’t verify is something a person can still ask about. Rather than leave gaps sitting as dead ends, we turn each one into a specific question — the exact document, citation, or number that would settle it — plus the things you can confirm yourself with the bottle in your hand.

Check for yourself — no one’s permission needed

1

Compare the panel on the bottle in your hand to the one shown in this record.

Ours was read from listing photos and can contain reading errors. The physical label is the source of truth — if they disagree, tell us and we’ll correct the record.

2

Scan the barcode on the package and confirm it reads 810110790988.

A mismatch between the barcode on the box and the one on the listing is worth pausing over — it can indicate a different variant, a repack, or a counterfeit.

3

Check the lot number and expiry on the bottle against any COA you’re given.

A certificate that doesn’t name your lot doesn’t describe what you’re holding.

These are the open questions on this specific record — not a warning about the product, and not a suggestion to buy or avoid it. Getting them answered is how you decide for yourself.

What the listing promises — claim by claim

Why is this shown?
A listing’s promises are the reason people buy. Each one gets its own row: what was promised, what evidence would settle it, and what we could actually find. We never call a claim false — only whether proof proportionate to it exists on the public record.
ClaimStatusWhat we found
Manufacturing claim
“…GOOD MANUFACTURING PRACTICE…”
Partly supported
We looked for: the facility registration or certificate behind the claim
“GMP-certified” describes factory processes, not what is in the bottle. The claim does not name a certifier or public register that a shopper can check.
Benefit claim
“…MAGNESIUM POWDER FOR SLEEP: Support restful nights with magnesium glycinate powder for sleep, relaxation, & stress relief in a delicious raspberry and lemon flavor.…”
Partly supported
We looked for: whether the ingredient doses on the label match the doses used in published research
Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.

“No evidence located” does not mean a claim is false — it means the seller has not put evidence proportionate to the claim on the public record, and we could not find any. Absence of proof is not proof of absence.

This label vs. the doses studied

Why is this shown?
An ingredient can be well-studied at one amount and barely studied at the amount in your bottle. This lines the label up against the doses researchers actually used. It answers ‘are these the same numbers?’ — never ‘should you take this?’
IngredientWhere this label sitsReading
Magnesium (as magnesium glycinate)
shaded = doses used in studies (200 mg–420 mg) · bar = this label
325 mg — within the studied range
Zinc (as zinc picolinate)
shaded = doses used in studies (8 mg–40 mg) · bar = this label
10 mg — within the studied range

Matching a studied dose does not mean the product works, and missing it does not mean it fails — it shows whether the label and the research are talking about the same amounts. Not a recommendation to take any amount.

Documented cautions

Statements from published sources about these ingredients — not advice about this product, and not a complete safety review. Anyone taking medication should talk to a pharmacist or clinician.

Verifiability profile — 4 of 6 public signals

✓ UPC / GTIN published✓ Supplement Facts visible in photos✓ Found in NIH's label catalog (DSLD)✓ Brand's own store found· Per-serving dose established — not published· Third-party lab named or registry-certified — not published

What this listing gives the public to check. Publishing these signals doesn't prove quality — but withholding them means claims can only be taken on faith.

Identity

UPC (barcode) — also our record ID810110790988 — via source listing UPC
BrandDr. Berg Nutritionals
Source listing identifierB0DQYQR1KX
Retailer listing titleDr. Berg Magnesium Glycinate Powder for Sleep, Relaxation, & Stress Re…
show full title Dr. Berg Magnesium Glycinate Powder for Sleep, Relaxation, & Stress Relief - Now Includes Vitamin D3 & Zinc - Delicious Raspberry & Lemon Flavor (50 Servings) Magnesium Powder - Magnesium Drink Powder
USPTO brand ownerThe Health & Wellness Center Inc. · CORPORATION · VIRGINIA, USA
Owner filed address912 Drew St. Suite 203-13, Clearwater, Florida 33755, UNITED STATES

From the label (photo-read)

Serving size1 scoop (5 g)
Servings per container50
Net weightNet wt 8.47 oz (240 g)
Badges printed on packDR. BERG APPROVED, cGMP CERTIFIED, GOOD MANUFACTURING PRACTICE, US cGMP

Supplement Facts panel (photo-read):

IngredientAmount per servingReading confidence
Calories10 gHigh
clearly legible in the photo
Total Carbohydrate1 gHigh
clearly legible in the photo
Vitamin D (as cholecalciferol)25 mcgHigh
clearly legible in the photo
Vitamin B6 (as pyridoxal-5-phosphate)1.7 mgHigh
clearly legible in the photo
Magnesium (as magnesium glycinate)325 mgHigh
clearly legible in the photo
Zinc (as zinc picolinate)10 mgHigh
clearly legible in the photo

Claims printed on the packaging:

“Promotes sleep and relaxation†” · “RASPBERRY & LEMON FLAVOR” · “Dietary Supplement” · “THE KNOWLEDGE DOC” · “FAST-ACTING SUGAR-FREE MAGNESIUM POWDER” · “IDEAL SUPPORT FOR: CALM, STRESS, RELAXATION, SLEEP, VITALITY” · “RASPBERRY & LEMON F...” · “Promotes sleep and relaxa...”

Read by a vision model from 8 listing photos — verbatim extraction; OCR errors possible. Spot a mistake? It will be corrected on review.

Supplement Facts — NIH DSLD registry

serving: 6.8 Gram(s) · contents: 306 Gram(s) · label #238774 at dsld.od.nih.gov

IngredientAmount per serving
Calcium75 mg
Magnesium120 mg
Chloride15 mg
Sodium10 mg
Potassium1000 mg
ConcenTrace AC Trace Mineral Complex100 mg

mcg = 1/1,000 of a mg. As filed in the NIH Dietary Supplement Label Database — the authoritative digitization of the printed label. Label versions can lag reformulations.

Where it sells

SellerPrice
Retailer listing ↗$35.99 checked Aug 02, 2026 — varies by variant/session; price history pending

Reference links for identification only — LookCloser has no affiliate relationships and earns nothing from any link on this page.

Ingredient science — NIH references

CalciumNIH ODS · MedlinePlus · PubMed (48,938) · UL 2500 mg (adults 19-50 (2,000 mg for 51+))

MagnesiumNIH ODS · MedlinePlus · PubMed (11,814) · UL 350 mg (SUPPLEMENTAL magnesium only (not from food))

PotassiumNIH ODS · MedlinePlus · PubMed (16,128) · no UL; supplements capped at 99 mg OTC

Reference data from the NIH Office of Dietary Supplements, IOM Dietary Reference Intakes, and PubMed. A Tolerable Upper Intake Level is a documented reference figure, not a safety verdict — both the listed amount and the reference are shown for your own judgment. LookCloser gives no medical advice.

Related research & consistency

magnesiumNIH ODS — Magnesium fact sheet · PubMed search: magnesium glycinate supplementation · WebMD: magnesium · ClinicalTrials.gov — 3,206 registered studies

Use pattern in research: daily oral use; chelated forms (glycinate) are studied for absorption — note labels may state compound mass rather than elemental magnesium, which differs ~7-fold.

zincNIH ODS — Zinc fact sheet · PubMed search: zinc supplementation trial · ClinicalTrials.gov — 1,598 registered studies

Use pattern in research: daily oral use; sustained high intakes can interfere with copper absorption — a documented interaction, not advice.

These notes state where label numbers and marketing framing sit relative to published research — documentation for your own judgment, not medical advice. LookCloser does not advise for or against taking any supplement.

Record 810110790988 · built August 02, 2026 · lookcloser.ai · corrections@lookcloser.ai