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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - Health & CosmeticsKriensProf. George Birkmayer NADH GmbH
Prof. George Birkmayer NADH GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Prof. George Birkmayer NADH GmbH distributes the original Prof. George Birkmayer NADH® products and supplies stabilized NADH as dietary supplements, cosmetic preparations (e.g. skin serum, dental gel, lipcare) and related publications.

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Products & services

Industry:Retail - Health & Cosmetics
✓ Offered3
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4.0/5

Prof. George Birkmayer NADH GmbH

Dietary supplements
Dietary supplements with stable and bioavailable NADH, including NADH Rapid, NADH Constant, NADH VIS and NADH ART.
Cosmetics
Cosmetic products with stabilized and bioavailable NADH, including Skin Serum, Lipcare and Dental Gel for skin and mucous membranes.
Stabilized NADH
Stabilized NADH as the central mode of action and product feature of our dietary supplements and cosmetics.
Trust & reputation

ranQ Trust Score of Prof. George Birkmayer NADH GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of October 2026

Prof. George Birkmayer NADH GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Prof. George Birkmayer NADH GmbH scores 67.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.64.612%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Prof. George Birkmayer NADH GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
Prof. George Birkmayer NADH GmbH scores 28.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Prof. George Birkmayer NADH GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Wichlernweg 5
6010 Kriens

At a glance

Legal form
Limited Liability Company
UID
CHE-308.230.700
Founded
2021 · 5 years
Last commercial register change
July 15, 2026
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.88.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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