Skip to product information
1 of 6

KAL Ultra Vitamin D3 10000 IU (250mcg) - High Potency Vitamin D - Immune Support and Calcium Absorption Support for Strong Bones - Quick Dissolve, Unflavoured ActivMelt - 90 Servings, 90 Micro Tablets

KAL Ultra Vitamin D3 10000 IU (250mcg) - High Potency Vitamin D - Immune Support and Calcium Absorption Support for Strong Bones - Quick Dissolve, Unflavoured ActivMelt - 90 Servings, 90 Micro Tablets

Regular price £28.41 GBP
Sale price £28.41 GBP Regular price
Save % Sold out

HOT PRODUCT | LOW STOCK

Carefully selected from trusted wellness brands

Free worldwide delivery

Secure checkout

Buy More Save More!

KAL Ultra Vitamin D3 10000 IU (250mcg) - High Potency Vitamin D - Immune Support and Calcium Absorption Support for Strong Bones - Quick Dissolve, Unflavoured ActivMelt - 90 Servings, 90 Micro Tablets

Regular price £28.41
Sale price £28.41 Regular price
Save % Sold out
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Tracked worldwide delivery. Estimated arrival between - and -.

What Makes KAL ActivMelt Unique?

KAL Ultra Vitamin D3 comes in a quick-dissolve micro tablet format called ActivMelt. These tiny, unflavoured tablets dissolve instantly on your tongue—no water needed. This makes them convenient for travel or for those who have difficulty swallowing pills. Each tablet delivers a precise 10,000 IU dose without any artificial flavours or sweeteners.

Key Benefits of KAL Ultra Vitamin D3

Immune System Support

Vitamin D3 is well-recognized for its role in supporting a healthy immune response. By adding KAL Ultra D3 to your daily routine, you give your immune system the nutritional backing it needs to function at its best.*

Bone Health and Calcium Absorption

One of vitamin D's primary functions is to help the body absorb calcium efficiently. This process is essential for maintaining strong bones and teeth. Pairing this supplement with vitamin K2 can further support bone mineral density.*

General Wellness

Beyond bones and immunity, vitamin D contributes to normal muscle function and overall vitality. Many people report feeling more energetic when their vitamin D levels are optimised.*

Who Can Benefit from Vitamin D Supplementation?

  • Individuals with limited sun exposure — those who live in northern climates, work indoors, or wear sun protection year-round.
  • Older adults — skin becomes less efficient at producing vitamin D with age.
  • People with darker skin — higher melanin levels reduce natural vitamin D synthesis.
  • Anyone with a known deficiency — blood tests can determine if higher doses like 10,000 IU are appropriate.

Understanding Vitamin D3 and Its Importance

Vitamin D, often called the "sunshine vitamin," plays a crucial role in maintaining overall health. Your body naturally produces vitamin D when exposed to sunlight, but modern lifestyles, indoor work, and geographical location can limit sun exposure. That's where supplementation becomes valuable. KAL Ultra Vitamin D3 provides a potent 10,000 IU (250 mcg) of cholecalciferol—the same form of vitamin D your skin synthesises from sunlight. This high-potency support is ideal for those who need an extra boost to maintain healthy vitamin D levels.

How to Choose the Right Vitamin D Dosage

Recommended daily intakes vary by age, health status, and sun exposure. For general maintenance, 600–2000 IU is common. However, higher doses like 10,000 IU may be suitable for individuals with confirmed deficiency or those who require a more potent boost. Always consult with a health care professional to determine the right dosage for your needs. KAL Ultra D3 provides a high-potency option in a convenient, absorbable form.

Quality and Manufacturing Standards

KAL is committed to quality. This product is manufactured in a GMP-certified facility, and raw ingredients undergo rigorous testing in KAL's own state-of-the-art lab in Utah. Additionally, the bottle is made from 100% post-consumer resin (PCR) plastic recovered from oceans and landfills, reflecting a commitment to environmental sustainability.

Usage and Storage

Take one micro tablet daily, allowing it to dissolve in your mouth. No food or water is required. Store in a cool, dry place away from direct sunlight. Keep out of reach of children.

*Vitamin D contributes to the normal function of the immune system. Vitamin D contributes to normal absorption and utilisation of calcium and phosphorus. Vitamin D contributes to the maintenance of normal bones. This product is a food supplement. Do not exceed the recommended dose. Food supplements should not be used as a substitute for a varied diet and healthy lifestyle. Keep out of reach of children.

Worldwide Delivery

Orders are prepared with clear worldwide 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

UK Vitality Vitamins 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 food 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. Food 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.

View full details
  • Tracked worldwide delivery

    Clear delivery messaging for shoppers worldwide.

  • Secure checkout

    Secure checkout.

  • Clear returns

    Returns information is written plainly before purchase.

  • Trusted brands

    Carefully selected supplements from established wellness brands.

Supplement guide

KAL Ultra Vitamin D3 10000 IU (250mcg) - High Potency Vitamin D - Immune Support and Calcium Absorption Support for Strong Bones - Quick Dissolve, Unflavoured ActivMelt - 90 Servings, 90 Micro Tablets at UK Vitality Vitamins

What Makes KAL ActivMelt Unique?KAL Ultra Vitamin D3 comes in a quick-dissolve micro tablet format called ActivMelt. These tiny, unflavoured tablets dissolve instantly on your tongue—no water needed. This makes them c...

Category Vitamin D
Delivery area Worldwide
Checkout Secure checkout
Brand KAL
Price £28.41
Availability In stock
10000 IUActivMeltBone HealthCalcium AbsorptionHigh PotencyImmune SupportKALMicro TabletsNon-GMOQuick Dissolve

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. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.

What UK Vitality Vitamins shows before checkout

Every product page displays price, availability, variant choices, ingredient information, directions for use, allergen details, worldwide delivery expectations and secure checkout — so you can make an informed decision quickly.

Questions about KAL Ultra Vitamin D3 10000 IU (250mcg) - High Potency Vitamin D - Immune Support and Calcium Absorption Support for Strong Bones - Quick Dissolve, Unflavoured ActivMelt - 90 Servings, 90 Micro Tablets

Is KAL Ultra Vitamin D3 10000 IU (250mcg) - High Potency Vitamin D - Immune Support and Calcium Absorption Support for Strong Bones - Quick Dissolve, Unflavoured ActivMelt - 90 Servings, 90 Micro Tablets available with worldwide delivery?

Yes. This product is currently available on UK Vitality Vitamins with free worldwide 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 basket area. Returns guidance is available on the product page and full terms are covered in the store returns policy.

Supplement shopping with clarity

UK Vitality Vitamins product pages display ingredients, directions, allergen details and delivery information clearly — so you can compare supplements and make informed choices quickly.