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Vitamins and supplements designed to release your inner strength

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Ester-C®
Capsules/Tablets
Chewables
Powders
Bone and Joint Health
Bones
Joints
Pain Relief
Heart Health
CoQ10
Digestive Health
Enzymes
Probiotics
General Health
Antioxidants
Brain Health
Eye Health
Essential Fatty Acids
Liver Health
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Stress & Sleep
Sugar Balancing
Vitamins & Minerals
Healthy Active Lifestyle
Performance
Immune Health
Allergies
Cold & Flu
Kids' Health
Cold & Flu
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Probiotics
Men's Health
Women's Health
Prenatal
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Skincare
  • 5-HTP

    Helps to promote healthy mood balance by increasing serotonin levels

  • ALA 300 mg

    Helps improve insulin sensitivity and control the effects of oxidation that can lead to nerve...

  • Most Popular

    B Calm with Rhodiola

    Full-spectrum B vitamin formula plus rhodiola to support overall health, particularly in people under physical...

  • B Complex 100

    High-potency complex that supports liver detoxification, healthy cholesterol levels, adrenal function, and hormone balance

  • B12 5000 mcg

    High-potency, fast-absorbing sublingual tablets essential for the formation of red blood cells and for the...

  • Milk Thistle Bottle

    Broad Spectrum Milk Thistle

    Unique blend of high-potency, standardized seed extract and raw, whole-herb powder - to help support...

  • Calcium & Magnesium 1:1

    Important minerals to prevent bone loss and improve bone density

  • Blue jar of Sisu calcium and magnesium supplements.

    Calcium & Magnesium 2:1

    High potency calcium citrate and magnesium to help support bone density and prevent bone loss

  • Calcium & Magnesium Citrates

    Great-tasting liquid with essential minerals and vitamin D to support bone density and prevent bone...

  • New

    Calcium + D3 Gummies

    Great-tasting Calcium & D3 vegan gummies that help build strong bones and teeth, support immune...

  • Chromium Picolinate

    Enhances insulin sensitivity and helps to support a healthy blood glucose balance

  • CinnaMax

    High-potency cinnamon extract to help improve insulin sensitivity and support a healthy blood glucose balance

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Sisu
Release your inner strength

Products

  • Ester-C®
  • Bone and Joint Health
  • Heart Health
  • Digestive Health
  • General Health
  • Healthy Active Lifestyle
  • Immune Health
  • Kid’s Health
  • Women’s Health

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25 Sheppard Avenue West
Toronto, Ontario, M2N 6S6

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© 2025 Sisu / Ester-C and Ester-C logo are reg. TMs of The Ester C Company

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