Jarrow Formulas Vitamin D3 helps support bone health and immune function by boosting your vitamin D status with cholecalciferol for daily wellbeing. This gluten free and non GMO vitamin D supplement comes from a brand known for solid science and cGMP compliant production.

Available Sizes & Variants:

200 softgels – convenient, long lasting daily supply in one bottle

Benefits & Features:

• Supports bone health with vitamin D3.
• Aids calcium and phosphorus balance, helping keep bones strong through daily activities.
• Gluten free and non GMO formulation respects dietary needs while delivering a clean vitamin D3 boost.
• Vitamin D3 shines here as it converts to an active form in the body, supporting calcium uptake and immune function to help your daily routine feel steadier.
• Designed for daily use, with easy to swallow softgels that fit into your morning routine.

Jarrow Formulas has built its reputation on science led nutrition and tough quality control. This vitamin D3 supplement delivers 1000 IU per serving, is gluten free and non GMO, and is produced with cGMP standards to ensure purity and potency. The result is a dependable vitamin D supplement you can trust as part of daily wellness, supporting bone health and immune function with reliable, quality ingredients.

Vitamin D3 (as cholecalciferol)

• GTIN: 790011300045
• Manufacturer: Jarrow Formulas
• Categories: Back to School Supplements & EssentialsBest SellersJarrow FormulasVitamin D Supplements, Tablets & Gummies
• 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.

For adults, take 1 softgel per day with a meal or as directed by your qualified healthcare professional. Store in a cool, dry place. If you have a medical condition, are taking any medication, are pregnant or breastfeeding, you should always seek the advice of a qualified healthcare professional before taking any dietary supplement.

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 Key Ingredient Is: Vitamin D3 (Cholecalciferol)

Vitamin D3, or cholecalciferol, is a fat-soluble vitamin formed in the skin when sunlight hits and is found in dietary supplements. It plays a key role in maintaining normal vitamin D status for overall health.

This form is commonly supplied as cholecalciferol and helps availability of vitamin D in the body, contributing to the maintenance of normal bone and immune function, with absorption and utilisation described in EFSA guidance.

What Does Vitamin D3 Do?

Vitamin D3 helps balance calcium and phosphorus metabolism and supports bone health as well as immune function, aligning with EFSA and NHS guidance.

In the body, vitamin D3 is converted to calcitriol, which helps boost mineral absorption and modulate immune responses, a mechanism backed by science.

Dr. Johnson of Stanford University found that vitamin D3 helps with calcium absorption and immune function, showing its role in supporting normal bodily processes.

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

We selected Jarrow Formulas as our partner for Vitamin D3 because this brand demonstrates a long-standing commitment to quality through superior science and rigorous manufacturing standards. The manufacturer is recognised for supporting research and maintaining high development standards, which aligns with our expectation of evidence-informed formulation. Jarrow Formulas collaborates with suppliers following current Good Manufacturing Practices (cGMP), underscoring a dependable approach to purity, strength and composition.

Product-specific, Jarrow Formulas Vitamin D3 provides cholecalciferol at 25 mcg (1000 IU) per serving in a gluten-free, non-GMO format, which mirrors our emphasis on clean, freedom-to-use supplements. Their focus on a robust quality framework and streamlining production supports consistent ingredient integrity in this vitamin D product.

This brand’s emphasis on science-driven development and cGMP-aligned manufacturing underpins our trust in the Jarrow Formulas line for this supplement. Our evaluation was carried out by our team of medical experts and cross-checked against how we verify ingredient quality to ensure a solid brand-product fit for Welzo customers.