Swanson Vitamin D-3 is a vitamin d supplement that helps keep bones strong and immune health on track, delivered in a simple to swallow capsule.

Benefits & Features:

• Supports bone and immune health with steady calcium absorption.
• The key active ingredient, vitamin D3, helps your body absorb calcium and phosphorus, supporting bone density and everyday mobility.
• Daily supplementation supports normal serum vitamin D levels, which may aid immune function and muscle health, making this easy daily practice for maintaining wellbeing even with limited sun exposure.
• GMP certified facilities and independent testing help ensure product identity and purity.
• Simple capsule base relies on rice flour and gelatin for clean capsules.

Swanson carries a long heritage in trusted supplements, with a legacy of reliable vitamin d supplement options. This vitamin d3 product uses a simple capsule base and is produced in GMP certified facilities with independent third‑party testing for identity and purity. The focus on vitamin d3, which helps calcium absorption for bones and supports immune function, makes it a reliable, everyday choice for adults seeking steady wellness.

Vitamin D-3 (cholecalciferol)

• GTIN: 87614110301
• Manufacturer: Swanson
• Size: 250 Capsules
• Categories: Back to School Supplements & EssentialsSwanson
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Take one capsule of Swanson Vitamin D3 (1000 IU) daily, preferably with a meal for optimal absorption. Store in a cool, dry place away from direct sunlight. Keep out of reach of children. Consult a healthcare professional before use if you are pregnant, nursing, taking medication, or have a medical condition.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Vitamin D3 (Cholecalciferol)

Vitamin D3, often called cholecalciferol, is a fat‑soluble vitamin crucial for healthy bones and immune health.

This form comes as a simple capsule housing the active nutrient with a plain capsule base and a few extras like rice flour and gelatin.

What Does Vitamin D3 Do?

Vitamin D3 helps with the normal absorption of calcium and phosphorus, backing bone strength and density. It also helps with immune function and normal muscle activity in line with EFSA and NHS guidance.

Overall, this nutrient helps maintain normal mineral balance and supports healthy bodily functions related to bones teeth and immunity.

This product is not intended to diagnose, treat, cure, or prevent any disease.

Swanson stands out to us in our evaluation as a trusted partner for core micronutrient needs. When weighed against alternatives, this brand consistently shows a longtime commitment to quality and reliability, reinforced by GMP certification across its production facilities. This level of manufacturing rigour is a cornerstone of why we chose Swanson for Vitamin D-3, and it helps to ensure reliable identity and potency in every capsule. Our medical experts recognise Swanson’s emphasis on purity and tightly controlled formulation, with independent third-party testing referenced in their quality practices. For Welzo, that level of transparency aligns with our standards (which you can see reflected in our testing and certification approach). This brand is assessed by our team of medical experts for compliance with our quality certification process. The combination of a straightforward, single-ingredient profile and Swanson’s established manufacturing excellence makes this pairing particularly well suited for a Vitamin D-3 offering that targets bone, teeth, immune and muscular health our team of medical experts and our quality certification process.