Vitamin D

Vitamin D Supplements – Daily Support for Bones, Immunity and Mood

Vitamin D supplements provide a practical way to maintain healthy levels of this fat-soluble nutrient throughout the year, especially in regions with limited sunlight exposure.

Read more about our Vitamin D collection

Often referred to as the “sunshine vitamin”, vitamin D contributes to normal bone maintenance, muscle function and immune system activity. This collection brings together carefully selected vitamin D products designed for everyday use, with clearly labelled strengths and formats to suit different preferences and routines.

What Is Vitamin D?

Vitamin D is a fat-soluble vitamin that the body can produce when skin is exposed to sunlight, and can also obtain in smaller amounts from food. Once activated, vitamin D helps regulate calcium and phosphorus balance, supporting normal bone mineralisation and muscle function. It also plays a role in immune system regulation and contributes to the maintenance of normal teeth. Because dietary sources are limited and sun exposure is highly variable, supplementation is widely used to help maintain adequate vitamin D status, particularly in autumn and winter months.

Technical Features – Vitamin D Supplements

Vitamin D3 (Cholecalciferol) as the Primary Form

Most products in this collection provide vitamin D3 (cholecalciferol), the same form produced by the skin in response to sunlight. Vitamin D3 is widely used in nutritional science and supplementation because it is efficient at raising and maintaining circulating 25(OH)D levels. Formulations are selected to offer consistent dosing and clear labelling, making it easier to match daily intake to current public health guidance or individual recommendations.

Optimised for Absorption and Convenience

The products in this range include softgels, tablets, capsules and sprays, allowing you to choose a format that fits your preferences. Many formulas suspend vitamin D in oils or include suitable carriers to support intestinal absorption of this fat-soluble nutrient. The variety of strengths supports both standard daily maintenance and more targeted protocols as advised by a healthcare professional, without requiring complex dosing schedules.

Options for Different Dietary Practices

Where possible, vitamin D supplements in this collection are provided in vegetarian or vegan-friendly formats, such as plant-based capsules or sprays. Product pages specify whether the vitamin D3 is sourced from lanolin or plant-based materials, helping you align choices with dietary and ethical considerations. This range also highlights products that are free from common allergens and unnecessary additives, supporting straightforward integration into daily routines.

Composition Examples per Serving

  • Vitamin D3: Typical strengths such as 10 µg (400 IU), 25 µg (1,000 IU), 50 µg (2,000 IU) or higher, depending on the product.
  • Carriers and excipients: Such as olive oil, MCT oil or other approved food-grade carriers to support absorption.
  • Capsule or tablet materials: Gelatin or hydroxypropyl methylcellulose (HPMC) for vegetarian formats, as specified on each label.

Scientific Context – Vitamin D in Research

Vitamin D has been extensively studied for its role in bone health, immune function and overall physiological regulation. Research describes its involvement in calcium and phosphorus homeostasis, skeletal development and maintenance, and muscle function. In addition, vitamin D receptors are present in many tissues, and scientific literature continues to explore its relevance for immune modulation and other biological processes across the lifespan.

Investigative Research Areas

  • Bone mineralisation and fracture risk
  • Muscle function and physical performance
  • Immune system activity and seasonal variability
  • Calcium and phosphorus balance in the body
  • Vitamin D status across different age groups and populations
  • Interactions between vitamin D levels and general wellbeing

Documented Usage Contexts

Vitamin D supplements are frequently discussed in public health guidance, clinical practice and nutritional research. Common contexts include routine daily maintenance, support during periods of low sunlight exposure, and situations where dietary intake may be limited. They are also referenced in guidance for specific groups such as older adults, people with darker skin, individuals who cover most of their skin when outdoors, or those following restrictive diets.

  • General daily nutrient maintenance
  • Autumn and winter support in low-sunlight regions
  • Situations of increased physiological demand or limited sun exposure
  • Dietary patterns low in vitamin D-rich foods
  • Life stages where bone and muscle health are a particular focus

Why Vitamin D3 Is Often Preferred

Characteristic Vitamin D3 (Cholecalciferol) Vitamin D2 (Ergocalciferol)
Source Typically from lanolin or plant-based materials Usually from yeast or fungal sources
Role in the body Matches the form produced in human skin Converted to the same active metabolite via similar pathways
Use in supplements Commonly chosen for long-term maintenance Used in some fortified foods and specific formulations
Format flexibility Widely available in oils, capsules, tablets and sprays More limited product variety

Collection Technical Information

  • Includes a range of daily strengths aligned with typical public health guidance.
  • Features softgels, capsules, tablets and sprays to match different preferences.
  • Highlights vegetarian and vegan-compatible options where available.
  • Selected from brands operating under recognised quality and safety standards.
  • Products clearly display vitamin D content per serving and recommended daily usage.

Directions for Use

  • Follow the serving size stated on each product label, or as directed by a healthcare professional.
  • Many vitamin D supplements are best taken with a meal that contains some fat to support absorption.
  • Daily use is typically recommended during seasons or situations with limited sun exposure.

Storage and Handling

  • Store in a cool, dry place away from direct sunlight.
  • Keep containers tightly closed and protect from moisture.
  • Keep out of the sight and reach of children.

Precautions and Contraindications

  • Do not exceed the recommended daily intake stated on the product label.
  • Not recommended for children unless the product and dosage are specifically appropriate.
  • Consult a healthcare professional if you are pregnant, breastfeeding, taking medication, or have underlying health conditions.
  • Food supplements should not be used as a substitute for a varied diet and healthy lifestyle.

FAQ – Vitamin D Supplements

Do I need to take vitamin D with food?

Taking vitamin D with a meal that contains some fat is often recommended, as this can support absorption of this fat-soluble nutrient.

Is vitamin D suitable for vegans?

Some vitamin D3 products are derived from animal sources, while others use plant-based ingredients. Always check the label for vegan or vegetarian suitability.

How long can I take vitamin D?

Vitamin D is commonly used for long-term daily maintenance within recommended intake ranges. Follow product guidance and consult a qualified professional if you are unsure.

What strength should I choose?

Public health guidance often recommends a baseline daily intake, with higher strengths used in specific circumstances on professional advice. Selecting a strength depends on your current intake, sun exposure and personal circumstances.

Important Disclaimer

These products are food supplements. They are not intended to diagnose, treat, cure or prevent any disease. Always consult a qualified healthcare professional for personalised advice. Supplements should not replace a balanced diet and healthy lifestyle.

```

Filter products

The highest price is £51.60
£
£

4 Products