SISU Vitamin D
1000 IU 400 Tablets
Vitamin D is an important factor in the prevention of bone loss in men and women.

  • One tablet provides 1,000 IU of Vitamin D, the maximum allowed in a Canadian supplement
  • D3 (cholecalciferol) derived from lanolin from sheep’s wool
  • Vitamin D is essential to calcium absorption and helps support bone density and helps reduce fractures
  • Recommended by the physicians at InspireHealth Integrated Cancer Care
SISU Advantages:
  • Tiny, fast-dissolving tablets that can be chewed, swallowed whole or dissolved under the tongue or in any liquid
  • Contains no ingredients that are a source of gluten
  • Tested for guaranteed purity and potency
  • Good Manufacturing Practices standards
  • NPN approved


  • Medicinal: (per tablet) Vitamin D (Vitamin D3)...25 mcg equivalent to 1,000 IU of vitamin D (cholecalciferol) activity
  • Non-medicinal: lactose, croscarmellose sodium, silicon dioxide, microcrystalline cellulose, magnesium stearate (vegetable), calcium silicate.
Dosage: (Adult) Take orally 1 tablet daily or as directed by a health care practitioner.

We are only able to ship this item to Canadian customers.
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NY: a few months ago

Great vitamins for the whole family - they are small enough to swallow, but you can also chew them.

Lise: a few months ago

Works just fine for me. is so easy and fast great customer service.

Sasha: a few months ago

Needing lots of extra D this year ! These are a great size, easy to take for both me and my 7yo

Larry: a few months ago

I was looking for a good quality vitamin D and selected this one. I got fast delivery from Well.CPrice was also good

Johanne: a few months ago

I love all Sisu products. Canadian made with quality ingredients!

Amanda: a few months ago

My kids love taking this product and with the high level of vitamin d (unlike other products with a useless amount) you aren't taking tons of pills.

Laurel: about a year ago

Lots of relevant information lately about the need for this Vitamin. There are apparently depression implications. SISU is a trusted brand of good quality

Margaret: about a year ago

The tablets are very tiny so they are super easy to swallow. But don't drop them - they bounce a long distance!

Megan: about a year ago

Love the size, taste and quality of this vitamin.

Kitty: more than a year ago

Very good quality!

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