Kirkland Signature Extra Strength D3 50 mcg (2000 IU), 600 Softgels (5 Pack)

Key Benefits of Vitamin D3

Vitamin D plays a vital role in many bodily functions. Kirkland Signature Extra Strength D3 provides 50 mcg (2000 IU) of cholecalciferol per soft gel capsule, the preferred form for bioavailability. EFSA-approved health claims include:

• Bone health: Vitamin D contributes to normal absorption and utilisation of calcium and phosphorus, supporting the maintenance of normal bones.*
• Immune function: Vitamin D contributes to the normal function of the immune system.*
• Muscle function: Vitamin D contributes to the maintenance of normal muscle function.*
• Overall wellness: Vitamin D also contributes to normal cell division and the maintenance of normal teeth.*

*These statements are based on EFSA approved health claims. This product is a food supplement and is not intended to diagnose, treat, , or prevent any disease.

Quality Assurance: USP Verified

Kirkland Signature Extra Strength D3 carries the USP Verified mark, demonstrating that it meets rigorous standards for purity, potency, and manufacturing. Independent testing confirms that each bottle contains exactly what is stated on the label, free from harmful contaminants. This gives you confidence in every soft gel capsule you take.

Determining the Appropriate Vitamin D Dosage

The UK government recommends that adults consider a daily supplement of 10 mcg (400 IU) during autumn and winter. However, many individuals may require higher amounts. This product delivers 50 mcg (2000 IU) per serving, a moderate dose that is within safe limits (the upper level for adults is 100 mcg or 4000 IU per day). If you are unsure about your vitamin D status, a simple blood test can help guide supplementation, and your GP can offer advice tailored to your needs.

Who Might Need Extra Vitamin D?

Certain groups are more likely to have low vitamin D levels. People with limited sun exposure—due to living in northern regions, working indoors, or using sunscreen consistently—may benefit from supplementation. Older adults, individuals with darker skin, and those following a vegan diet often have higher requirements. Kirkland Signature Extra Strength D3 offers a convenient way to maintain adequate levels, especially during the winter months.

Why Opt for Kirkland Signature Extra Strength D3?

Vitamin D is essential for health, yet many people struggle to get enough from sunlight and diet alone. This supplement provides a potent dose in a soft gel capsule format that enhances absorption when taken with a meal containing fat. With 600 softgels per bottle in a 5-pack, it offers excellent value for those who supplement consistently, eliminating the need for frequent reordering.

What Sets This Supplement Apart?

Kirkland Signature Extra Strength D3 stands out for its high potency and rigorous quality standards. Each soft gel capsule delivers 50 mcg of vitamin D3, avoiding the need for multiple capsules. The soft gel capsule design supports optimal bioavailability, and the 5-pack ensures you have a long-term supply. This product is USP verified, meeting independent criteria for purity and potency.

Safety and Considerations

Vitamin D3 is generally well tolerated at recommended doses. As a fat-soluble vitamin, it can accumulate in the body, so it is important not to exceed the stated serving. If you are on other medications or have a medical condition, consult a health care professional before starting supplementation. Store the softgels in a cool, dry place to maintain potency. This product is a food supplement and should not be used as a substitute for a varied diet.