10 Best tolerated iron supplement in Canada

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Last Updated - 2025/07/16

Best Choice

01
FeraMAX

FeraMAX Pd Therapeutic 150 Iron Supplement - Once Daily High Dose Iron Supplement No.1 Recommended Treatment for Iron Deficiency Anemia - 150mg of Elemental Iron per Capsule, 100 Capsules

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9.7 simple to consume

9.5 Taste

9.5 Absorbency
Main highlights

VEGAN-CERTIFIED: FeraMAX Pd Therapeutic 150 is vegan-certified and recognized by the Society of Obstetricians and Gynaecologists of Canada.
FeraMAX Pd THERAPEUTIC 150 IS THE IDEAL CHOICE FOR IRON DEFICIENT PATIENTS: The enhanced delivery system and confirmed efficacy make FeraMAX Pd Therapeutic 150 the ideal choice for iron deficient patients.
FeraMAX IS THE #1 RECOMMENDED IRON SUPPLEMENT by Canadian Pharmacists and Physicians for seven years in a row!
FeraMAX IS A MORE EASILY TOLERATED IRON COMPLEX: Polydextrose Iron Complex (PDIC) is well tolerated when it enters the stomach. PDICs liberate less ionic iron in the stomach compared to salts. Liberating ionic iron in the stomach is responsible for most of the side effects associated with iron (salt) therapy.
CONVENIENT ONCE-DAILY, HIGH DOSE IRON SUPPLEMENT for the treatment of iron deficiency anemia. Each capsule of FeraMAX Pd Therapeutic 150 contains an optimal 150 mg of elemental iron based on recommendation for the treatment of Iron Deficiency Anemia by the Canadian Anemia Guidelines1. FeraMAX can be taken with or without meals.
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9.8

Exceptional

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Value for Money

02
Pharmaris

Pharmaris IMAX 150 mg Iron Supplement, 250 mg Vit C, 1000 mcg Vit B12, 100 Capsules, Treatment for Iron Deficiency Anemia, Once Daily Dosing

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Main highlights

Well-tolerated formula: Specifically designed to ensure better absorption with minimized gastrointestinal side effects, offering a comfortable iron supplement experience.
Vitamin C and B12: Enriched with essential vitamins C and B12, Vitamin C aids in enhancing iron absorption, and Vitamin B12 promotes overall red blood cell production.
Vegan Certified & Allergen-Free: The formula is vegecert certified, gluten-free, lactose-free, alcohol-free, allergen-free, and free of HVO, making it suitable for a wide range of dietary needs.
Pharmaris IMAX- Only Polysaccharide Iron brand in Canada with the maximum amount of Vitamin C and B12 dosing in one capsule.
Dosage Instructions: Adults 19 years and older should take one capsule daily with food. It's recommended to allow a few hours before or after taking other medications.
Convenient Once-Daily Dosing: Convenient single capsule per day dosage for adults aged 19 and older, ensuring ease of compliance
3 in 1 capsule: Comes with 150 mg elemental iron, 250 mg Vit C, and 1000 mcg Vit B12, supporting the prevention and treatment of iron deficiency and associated anemia, tiredness, and fatigue.
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9.7

Exceptional

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03
NOW

NOW Supplements Iron Bisglycinate 36mg Capsules, 90 Count

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9.9 Absorbency

9.9 Taste
Main highlights

NOW uses Ferrochel Iron Bisglycinate, which has clinically demonstrated superior absorption and is well tolerated because it is gentle and non-constipating.
Iron is an essential mineral that plays central roles in energy production, immune system function, and neurological health.
Gentle and non-constipating.
Double strength/essential mineral.
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9.5

Excellent

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04
Jamieson Laboratories

Gentle Iron Ultra Strength

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Main highlights

Suitable for vegetarians and vegans
Suitable for vegetarians and vegans
Gentle on the stomach
150 mg of elemental iron per capsule
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9.3

Excellent

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05
NexFerrous

NexFerrous 150 mg | Vegan Iron Supplement | Prevention & Treatment of Iron Deficiency Anemia | Gentle on the Stomach | Easy Absorption | High Potency | 150 mg per capsule | 30 Capsules

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9.9 simple to consume

9.3 Taste

9.1 worth the money
Main highlights

VEGAN: Capsules do not contain any animal by-products or gelatine
GREAT FORMULA: Well-tolerated, well-absorbed and high potency
GENTLE: Delivered to blood stream without upsets like nausea, constipation or stomach pain
EXTRA BENEFITS: Helps maintain and support immunity system and pregnancy
EFFECTIVE: Fast non-heme iron deficiency anaemia therapy with only one 150mg capsule a day
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9.2

Excellent

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06
NOW

NOW Supplements, Iron 18 mg Capsules, Non-Constipating*, Essential Mineral, 120 Count

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Main highlights

GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
GENTLE AND NON-CONSTIPATING/VEGAN CAPSULES: NOW uses Ferrochel Iron Bisglycinate, which has clinically demonstrated superior absorption and is well tolerated because it is gentle and non-constipating*
FAMILY OWNED & OPERATED: Proudly packaged in Canada by a family owned and operated company.
ESSENTIAL MINERAL/FERROCHEL IRON BISGLYCINATE: Iron is an essential mineral that plays central roles in energy production, immune system function, and neurological health
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9.0

Excellent

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07
NOW

NOW Supplements, Iron Complex, Non-Constipating*, Essential Mineral, 100 Tablets

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9.7 simple to consume

8.9 Absorbency

8.7 Taste
Main highlights

NON-CONSTIPATING*: This vegetarian formula is well-tolerated and non-constipating and has been designed to maximize Iron absorption and utilization by the body*
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
FAMILY OWNED & OPERATED: Proudly packaged in Canada by a family owned and operated company.
ESSENTIAL MINERAL/BIOAVAILABLE SOURCE OF IRON: NOW Iron Complex is a unique blend of Ferrochel Iron (a bioavailable form of iron) and its important co-nutrients combined with complementary botanicals
CERTIFICATIONS/CLASSIFICATIONS: Non-GMO, Halal, Kosher, Dairy Free, Egg Free, Made without Gluten, Nut Free, Soy Free, Sugar Free, Vegan/Vegetarian
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8.9

Very Good

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08
Flora

Flora Iron+ Liquid Herbal Iron Supplement for Women + B-Vitamin Complex, Maintain Healthy Iron Levels, Non-Constipating, Highly Absorbable, Vegan, Yeast and Gluten Free, 240 mL Glass Bottle

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9.3 simple to consume

9.3 Absorbency

8.0 Taste
Main highlights

SUPPORTS RED BLOOD CELL HEALTH: Helps prevent iron deficiency anemia, fatigue, and supports the formation and function of red blood cells.
PLANT-BASED & GENTLE: Non-constipating, vegan, gluten, yeast, dairy, lactose, alcohol, and artificial additive-free. NPN 80106509
Kosher Check Certified, Non-constipating + Vegan + Free of Gluten, yeast, dairy, and lactose
ENERGY BOOSTING B-VITAMINS: Includes a range of B-Complex vitamins that participate in energy production.
DELICIOUS FRUIT JUICE BASE: Easy-to-drink formula with a great taste, perfect for pregnant women, individuals with sensitive stomachs, and supports healthy energy levels.
CLINICALLY PROVEN ABSORPTION: Features 10 mg of liquid ferrous gluconate, a well-absorbed and well-tolerated form of iron.
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8.8

Very Good

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09
Pharmaris

Pharmaris IMAX 150 mg Iron Supplement, 250 mg Vit C, 1000 mcg Vit B12, 30 Capsules, Treatment for Iron deficiency Anemia, Once Daily Dosing

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Main highlights

Well-tolerated formula: Specifically designed to ensure better absorption with minimized gastrointestinal side effects, offering a comfortable iron supplement experience.
Vitamin C and B12: Enriched with essential vitamins C and B12, Vitamin C aids in enhancing iron absorption, and Vitamin B12 promotes overall red blood cell production.
Vegan Certified & Allergen-Free: The formula is vegecert certified, gluten-free, lactose-free, alcohol-free, allergen-free, and free of HVO, making it suitable for a wide range of dietary needs.
Pharmaris IMAX- Only Polysaccharide Iron brand in Canada with the maximum amount of Vitamin C and B12 dosing in one capsule.
Dosage Instructions: Adults 19 years and older should take one capsule daily with food. It's recommended to allow a few hours before or after taking other medications.
3 in 1 capsule: Comes with 150 mg elemental iron, 250 mg Vit C, and 1000 mcg Vit B12, supporting the treatment & prevention of iron deficiency and associated anemia, tiredness, and fatigue.
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8.7

Very Good

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10
THORNE

Thorne Iron Bisglycinate - 25 mg Iron Supplement for Enhanced Absorption Without Gastrointestinal Side Effects - 60 Capsules - 60 Servings

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9.7 simple to consume

9.3 Absorbency

9.3 Taste
Main highlights

Well-Absorbed Iron: Provides 25 mg of elemental iron per capsule in a non-constipating, well-absorbed form as iron bisglycinate
NPN 80043826
Fight Fatigue: Helps fight fatigue and other signs of an iron deficiency, which can manifest as weakness, shortness of breath, dizziness, tinnitus, drowsiness, irritability, infrequent menstruation, and loss of libido
Certified For Sport: Supports high-performance nutrition programs and is NSF Certified for Sport
Blood Support: An essential mineral for the formation of new red blood cells
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8.6

Very Good

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