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Patient One Vitamin D3 5,000 IU – 120 Capsules (2-Pack)

Patient One Vitamin D3 5,000 IU – 120 Capsules (2-Pack)

Regular price $92.78 CAD
Sale price $92.78 CAD Regular price
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Patient One Vitamin D3 5,000 IU – 120 Capsules (2-Pack)

Regular price $92.78
Sale price $92.78 Regular price
Save % Sold out
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Canadians know that long winters and limited sun can make it tough to maintain healthy Vitamin D levels. That's why a reliable supplement like Patient One Vitamin D3 is a smart choice. Each capsule provides 5,000 IU (125 mcg) of cholecalciferol, the most bio-available form, to help support your immune system and keep your bones strong.* This professional-grade formula is crafted with purity in mind, so you get potent support without unnecessary additives.

Quality and Purity

Patient One is a trusted professional brand, and this vitamin D3 supplement reflects that commitment to excellence. It is manufactured in an NSF-certified, GMP-compliant facility, ensuring strict quality control. The formula is hypoallergenic and free from: milk, eggs, fish, peanuts, crustacean shellfish, soy, tree nuts, wheat, sesame, gluten, and GMOs. Each batch is tested for purity and potency, giving you confidence in every capsule.

Key Benefits of Vitamin D3

  • Immune Health: Vitamin D helps maintain normal immune function, a key part of overall wellness.*
  • Bone Support: It enhances calcium absorption, promoting strong and healthy bones and teeth.*
  • Calcium Absorption: Without enough Vitamin D, your body cannot efficiently absorb calcium, making it crucial for bone density.*
  • Overall Wellness: Vitamin D contributes to the normal function of many cells and tissues throughout the body.*

Each capsule delivers a meaningful 5,000 IU dose, suitable for individuals with increased needs or those addressing a deficiency under professional guidance.

Who Should Consider This Supplement?

While many can benefit from Vitamin D supplementation, certain groups may find it particularly helpful:

  • Indoor Workers & Sun Avoiders: Limited sun exposure reduces natural Vitamin D synthesis.
  • Older Adults: Aging skin produces less Vitamin D, and kidney function declines, impairing conversion.
  • Individuals with Darker Skin: Higher melanin levels reduce Vitamin D production from sunlight.
  • Those on Certain Medications: Some drugs (e.g., corticosteroids, weight-loss medications) can interfere with Vitamin D metabolism.
  • People with Digestive Conditions: Conditions like Crohn's or celiac disease may impair absorption of fat-soluble vitamins.

If you suspect a Vitamin D deficiency, consider having your blood levels tested to determine the right dosage for your needs.

What Makes Patient One Vitamin D3 Special?

Vitamin D3, also known as cholecalciferol, is the preferred form because your body uses it more efficiently than vitamin D2. Patient One offers a clean, potent option with 5,000 IU per capsule, perfect for maintaining healthy levels all year round.* Many adults fall short of optimal Vitamin D due to limited sun, and this supplement provides a convenient way to bridge that gap without any common allergens or artificial ingredients.

Recommended Dosage and Usage

The typical serving is one capsule (5,000 IU) daily, or as directed by your health-care professional. Since Vitamin D is fat-soluble, taking it with a meal containing fat (such as breakfast or lunch) can enhance absorption. Each bottle contains 120 capsules, providing a four-month supply (two bottles in this pack for eight months total). Always follow the dosage on the label and consult your doctor before starting any new supplement regimen, especially if you are pregnant, nursing, or have a medical condition.

Safety and Side Effects

Vitamin D3 is generally safe when taken as recommended. However, excessively high doses (over 10,000 IU daily for extended periods) can lead to toxicity, causing symptoms like nausea, weakness, and kidney stones. The safe upper limit for adults is 4,000 IU per day from all sources, but higher doses may be used under medical supervision. Stay within the recommended dosage and consult your health care provider if you have concerns about interactions with medications or other supplements.

Patient One Vitamin D3 offers a clean, potent option for maintaining healthy Vitamin D levels year-round. With professional-grade quality and a pure formula, it's a smart choice for supporting your immune system and bones.*

Consult a healthcare practitioner before use if you are pregnant, nursing, or have a medical condition. These statements have not been evaluated by Health Canada. This product is not intended to diagnose, treat, , or prevent any disease.*

Delivery in Canada

Orders are prepared with clear Canada delivery expectations from the product page through dispatch. Delivery estimates are shown before checkout where available, and tracking details are sent after the order leaves fulfilment so customers can follow the parcel and plan around the expected arrival window.

Returns and support

Vitamin4CA offers straightforward post-purchase support with a clear returns process. Please check the store returns policy before sending an item back, as final eligibility may depend on product condition, packaging integrity and whether the return request is started within the stated return window.

How to choose

Use the product description, ingredient list, serving information and available variants to compare supplement options. Always check the full ingredient list, directions for use and any allergen information on the product packaging before taking any dietary supplement.

Ingredients and important information

Ingredient lists and formulations may vary by batch or supplier. Always check the product packaging for the most up-to-date information. Dietary supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. If you are pregnant, nursing, taking medication or have a medical condition, consult your healthcare professional before use.

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  • Free standard deliveryUsually 2–7 business days to Canada, after 1–3 days to prepare
  • 30-day returnsOn unopened items in original packaging
  • Secure checkoutProcessed by Shopify with major cards accepted
  • Real supportEmail or phone, answered by our team

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Buying guide and questions

Supplement guide

Patient One Vitamin D3 5,000 IU – 120 Capsules (2-Pack) at Vitamin4CA

Canadians know that long winters and limited sun can make it tough to maintain healthy Vitamin D levels. That's why a reliable supplement like Patient One Vitamin D3 is a smart choice. Each capsule provides 5,000 IU (...

Category Vitamin D
Delivery area Canada
Checkout Secure checkout
Brand Patient One
Price $92.78
Availability In stock
2-Pack5000 IUBone HealthCholecalciferolGluten FreeGMPHypoallergenicImmune SupportNon-GMONSF Certified

How to choose if this supplement fits your routine

Read the ingredient list, check the serving size and directions for use. Consider the supplement form (tablet, capsule, liquid) and whether it suits your dietary requirements. Dietary supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.

Questions about Patient One Vitamin D3 5,000 IU – 120 Capsules (2-Pack)

Is Patient One Vitamin D3 5,000 IU – 120 Capsules (2-Pack) available for Canada customers?

Yes. This product is currently available on Vitamin4CA with Canada-wide delivery.

How should I compare this with similar supplements?

Compare the active ingredients, serving size, number of servings per container, supplement form, brand reputation and price per serving. Check allergen information if relevant to your dietary needs.

Where can I find delivery and returns information?

Delivery information is shown near the add to cart area. Returns guidance is available on the product page and full terms are covered in the store returns policy.