Vitamin D


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244 products

Sisu Vitamin C Plus D 120 tablets -
Sisu Vitamin C Plus D 120 tablets
$19.45 $24.00
CanPrev Vitamin D3 Drops 15 ml -
CanPrev Vitamin D3 Drops 15 ml
$12.50 $15.00
Jamieson Vitamin D 1000IU - 500 tablets -
Jamieson Vitamin D 1000IU - 500 tablets -
CanPrev D3 + K2 Drops 15 ml -
CanPrev D3 + K2 Drops 15 ml
$23.95 $29.00

Learn more

Vitamin D supplements are a concentrated source of vitamin D that comes in various forms to help people increase their intake of this essential nutrient.

Here's a breakdown of the different aspects of vitamin D supplements:


Dosage refers to the amount of vitamin D in each supplement, typically measured in International Units (IU). The recommended daily dosage for adults can vary depending on factors like age, overall health, and sun exposure. It's generally recommended to consult with a healthcare professional to determine the right dosage for you.


Vitamin D supplements come in various formulations, including:

  • Capsules: These are dry dosage forms with a shell made of gelatin or other materials.
  • Tablets: Similar to capsules, tablets are solid dosage forms that may disintegrate faster than capsules.
  • Softgels: These are liquid-filled capsules that are typically easier to swallow.
  • Liquid: This formulation is a good option for people who have difficulty swallowing pills or capsules.


Strength refers to the concentration of vitamin D in each dosage form. Vitamin D supplements can range from 400 IU to 5000 IU per dose.


The main ingredient in vitamin D supplements is usually vitamin D2 (ergocalciferol) or vitamin D3 (cholecalciferol). Vitamin D3 is the form naturally produced by the body in response to sunlight.

In addition to vitamin D, supplements may also contain other ingredients such as:

  • Carrier oils: These help with the absorption of vitamin D, such as soybean oil or medium-chain triglycerides (MCT oil).
  • Antioxidants: These help protect the vitamin D from degradation, such as tocopherol (vitamin E).


The absorption rate of vitamin D supplements can vary depending on the formulation and the presence of fat. Taking vitamin D supplements with a meal containing fat can improve absorption.


Look for vitamin D supplements from reputable brands that have been third-party tested for quality and purity.

Additional Considerations

  • Vegan: Some vitamin D supplements are vegan-friendly, meaning they do not contain any animal-derived ingredients. These supplements typically use vitamin D2 derived from lichen.
  • Gluten-free: Look for supplements labeled gluten-free if you have celiac disease or gluten sensitivity.
  • Non-GMO: If you prefer non-GMO supplements, look for those that are labeled as such.
  • Allergen-free: Be sure to check the ingredients list for any allergens you may have.
  • Natural: Some supplements are made with natural ingredients, while others may contain synthetic ingredients.
  • Organic: Organic vitamin D supplements are made with organically grown ingredients.

It is important to consult with a healthcare professional before starting any new supplement, including vitamin D.

  1. Canada 1-10 business days after your order leaves the warehouse and is dependent on your region.
  2. United States 4-14 business days after your order leaves our warehouse.

    For more info, visit our shipping page.

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