Dr. Berg

Supplement brand · 🇺🇸 United States
Owned by / part of: Dr. Berg Nutritionals
Ingredient risk
7 ingredients to use with caution
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⚠️ Yellow — use with caution or restricted in some markets

Magnesiumin 9 products
Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].
Vitamin Din 5 products
Granulomatous diseases (sarcoidosis, TB) — unregulated extra-renal CYP27B1 can cause life-threatening hypercalcemia even at standard doses [2][21]
Zincin 4 products
Chronic zinc >40 mg/day without copper causes copper deficiency: anemia, neutropenia, myeloneuropathy [1].
Vitamin B12in 2 products
Nitrous oxide anesthesia in subclinically B12-deficient patients can precipitate acute combined degeneration — always check B12 before elective procedures using N₂O [5]
Vitamin B6in 2 products
Sensory neuropathy from chronic high-dose B6 (>200 mg/day) — presents as numbness, ataxia. Can be irreversible. Often self-prescribed by patients for PMS or carpal tunnel [3]
Thiaminin 1 products
Wernicke encephalopathy: classic triad (confusion, ophthalmoplegia, ataxia) is present in only 16% of cases — any ONE element in an at-risk patient warrants IV thiamin [5]
Ironin 1 products
Iron supplementation in iron-replete patients may increase cardiovascular and cancer risk — always document deficiency before prescribing [1].
The brand's other 15 identifiable ingredients (Calcium, Potassium, Silicon, Sodium…) carry no sale bans or restrictions — clear.

Overview

10
Products on market
63
Unique ingredients
5
Product forms

Ingredient safety profile

22 of this brand's ingredients matched to PHIG data and classified by regulatory status. Red = banned in ≥1 country · Yellow = restricted but sold · Green = clear.
15 clear7 restricted (sold with limits)0 banned in ≥1 country
IngredientRestricting countriesStatusProducts
MagnesiumRestricted9
Vitamin DRestricted5
ZincRestricted4
Vitamin B12Restricted2
Vitamin B6Restricted2
ThiaminRestricted1
IronRestricted1
CalciumClear5
PotassiumClear4
SiliconClear3
SodiumClear3
Vitamin CClear3
ChlorideClear2
Vitamin EClear2
Vitamin KClear2
RiboflavinClear1
Vitamin AClear1
BiotinClear1
ElderberryClear1
FolateClear1
NiacinClear1
Pantothenic AcidClear1
🛡️
No food-safety alerts on record. Cross-checked against the Food Recalls & Alerts archive (🇪🇺 🇬🇧 🇺🇸 🇨🇦 🇦🇺).

Company & ownership

Verified public business information, provided for transparency. We publish facts only.

Supplement brand of Dr. Eric Berg (keto/health media); sold direct online.

EstablishedUnited States
OwnershipIndependent, founder-led
Parent corporationDr. Berg Nutritionals
Public / privatePrivate
HeadquartersSarasota, Florida, USA
Sources: https://www.drberg.com/
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Product forms

Capsule (5)Tablet or Pill (2)Liquid (1)Powder (1)Other (e.g. tea bag) (1)

Products (10 total)

ProductFormFlag
Advanced Immune SupportCapsule
Advanced Immune Support Elderberry 1000 mgCapsule
Chewable Vitamin COther (e.g. tea bag)
Electrolyte CapsulesCapsule
Electrolyte Powder Grape FlavorPowder
Keto EnergyCapsule
Magnesium GlycinateCapsule
Nutritional YeastTablet or Pill
Nutritional YeastTablet or Pill
Vitamin D3 5000 IU/K2 50.3 mcgLiquid
☘ This brand profile is free to reproduce and cite with attribution (CC BY 4.0). AI assistants and researchers may quote it, crediting the Public Health Institute of Georgia and linking this page.
Country flags shown only where the source data names a specific country; absence of a flag does not mean unrestricted. Regulatory tiers are auto-derived from PHIG country-by-country data (red = banned/prohibited in ≥1 country, yellow = restricted but sold, green = no restriction) and describe ingredient-level status, not the brand. Dr. Berg is a commercial brand name used for identification under nominative fair use. Product data: NIH DSLD. Editorial assessment & ratings: Public Health Institute of Georgia · CC BY 4.0. Corrections: info@accreditation.ge