Natural Factors

Supplement brand · 🇨🇦 Canada
Owned by / part of: Factors Group of Nutritional Companies
Ingredient risk
Contains restricted ingredients
🔎 Find official site ↗

⛔ Red — banned or high-risk ingredients

Auto-flagged from PHIG regulatory data. Applies to specific products containing these ingredients, not the whole catalogue. Flags show countries named in the source data.
Glucomannanin 10 products
🇺🇸 🇦🇺
loss at ≥3 g/day [1]. || Australia :: Glucomannan TABLETS banned due to choking hazard [2]. || United States :: Dietary supplement [1]. ||
Xylitolin 7 products
Dog owner not warned about xylitol toxicity — potentially fatal to dogs [1]
Inositolin 6 products
GDM prevention — 4 g/day from first trimester in high-risk women [2]
Ashwagandhain 2 products
🇩🇰 🇧🇪 🇪🇺
Banned April 2023 following DTU risk assessment. All products withdrawn.
GABAin 2 products
🇺🇸 🇯🇵
ates (FDA) :: Dietary supplement. Picamilon (GABA + niacin) banned as supplement (2015) [1]. || Japan :: GABA is a popular functional food i
Titanium Dioxidein 2 products
🇫🇷 🇪🇺
France banned TiO₂ in food from January 2020, first EU country.
Bitter Orangein 1 products
but minimal α-1/α-2 activity (distinguishing it from the banned ephedrine) [1]. Despite widespread use in fat-burners and pre-workouts, c
Black Cohoshin 1 products
🇺🇸 🇦🇺 🇪🇺
Hepatotoxicity cases including liver failure — limit 6 months [1]
Probioticsin 1 products
Use cautiously in severely immunocompromised patients, ICU patients, and those with central venous catheters — rare cases of probiotic bacteremia and fungemia reported [1].

⚠️ Yellow — use with caution or restricted in some markets

Magnesiumin 143 products
Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].
Vitamin Din 23 products
Granulomatous diseases (sarcoidosis, TB) — unregulated extra-renal CYP27B1 can cause life-threatening hypercalcemia even at standard doses [2][21]
Zincin 20 products
Chronic zinc >40 mg/day without copper causes copper deficiency: anemia, neutropenia, myeloneuropathy [1].
Vitamin B12in 18 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 18 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 17 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 16 products
Iron supplementation in iron-replete patients may increase cardiovascular and cancer risk — always document deficiency before prescribing [1].
Collagen Peptidesin 6 products
🇯🇵
d health claims. Classified as a food supplement (novel food category in some jurisdictions) [2]. || Japan (MHLW) :: Col
Cascara Sagradain 2 products
🇪🇺
Hydroxyanthracene derivatives under assessment.
Caffeine (Anhydrous)in 1 products
🇬🇧 🇪🇺 🇦🇺
High caffeine warnings mandatory on products >150 mg/L.
Cinnamonin 1 products
🇪🇺
Coumarin TDI 0.1 mg/kg BW/day. Cassia type exceeds limits at typical supplement doses.
L-Theaninein 1 products
🇯🇵
as food supplement. No authorized health claims. Novel food status in some jurisdictions [1]. || Japan (MHLW) :: Long h
Macain 1 products
🇺🇸 🇰🇷 🇪🇺
ood. Dietary supplement [1]. || European Union :: Novel food ingredient [1]. || South Korea :: Dietary supplement. || Ma
Royal Jellyin 1 products
🇺🇸 🇪🇺
Union :: Available as food supplement. Subject to novel food regulation in some contexts [1]. || United States (FDA) ::
The brand's other 69 identifiable ingredients (Silicon, Sodium, Vitamin C, Vitamin E…) carry no sale bans or restrictions — clear.

Overview

247
Products on market
361
Unique ingredients
6
Product forms

Ingredient safety profile

92 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.
69 clear14 restricted (sold with limits)9 banned in ≥1 country
IngredientRestricting countriesStatusProducts
Glucomannan🇺🇸 🇦🇺Banned somewhere10
XylitolBanned somewhere7
InositolBanned somewhere6
Ashwagandha🇩🇰 🇧🇪 🇪🇺Banned somewhere2
GABA🇺🇸 🇯🇵Banned somewhere2
Titanium Dioxide🇫🇷 🇪🇺Banned somewhere2
Bitter OrangeBanned somewhere1
Black Cohosh🇺🇸 🇦🇺 🇪🇺Banned somewhere1
ProbioticsBanned somewhere1
MagnesiumRestricted143
Vitamin DRestricted23
ZincRestricted20
Vitamin B12Restricted18
Vitamin B6Restricted18
ThiaminRestricted17
IronRestricted16
Collagen Peptides🇯🇵Restricted6
Cascara Sagrada🇪🇺Restricted2
Caffeine (Anhydrous)🇬🇧 🇪🇺 🇦🇺Restricted1
Cinnamon🇪🇺Restricted1
L-Theanine🇯🇵Restricted1
Maca🇺🇸 🇰🇷 🇪🇺Restricted1
Royal Jelly🇺🇸 🇪🇺Restricted1
SiliconClear52
SodiumClear45
Vitamin CClear43
Vitamin EClear43
CalciumClear41
PotassiumClear28
BromelainClear23
FolateClear19
PapainClear19
PhosphorusClear19
Pantothenic AcidClear17
RiboflavinClear17
ChromiumClear16
IodineClear16
ManganeseClear16
+ 54 more clear ingredients not shown.
🛡️
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.

Family-owned Canadian supplement company founded by Roland Gahler, headquartered in British Columbia. Part of the Factors Group; vertically integrated with its own farms and manufacturing.

EstablishedBritish Columbia, Canada
OwnershipIndependent, family-owned
Parent corporationFactors Group of Nutritional Companies
Public / privatePrivate (family-owned)
HeadquartersBritish Columbia, Canada
Sources: https://madeinca.ca/supplements-natural-factors/
Are you a representative of Natural Factors? Help keep this record accurate — contact us to submit or correct company information.

Product forms

Capsule (88)Softgel Capsule (54)Powder (31)Tablet or Pill (25)Liquid (19)Other (e.g. tea bag) (8)

Products (247 total)

ProductFormFlag
AcaiRich Super Strength Acai Berry Concentrate 4:1 StandardizedCapsule
Acidophilus & BifidusCapsule
Acidophilus & BifidusCapsule
Alpha-Lipoic Acid
Alpha-Lipoic Acid 100 mgCapsule
Alpha-Lipoic Acid 100 mgCapsule
Alpha-Lipoic Acid 200 mgCapsule
Alpha-Lipoic Acid 200 mgCapsule
Anti-V Formula with Clinically Proven EchinamideSoftgel Capsule
ApplePectinRich Super Strength Apple Pectin Concentrate With Green Tea ExtractCapsule
Bee PropolisCapsule
Bee Propolis Tincture 25% ExtractLiquid
View all 247 products →
☘ 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. Natural Factors 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
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