Calcium Citrate is a bone-supporting supplement that helps keep teeth strong, backed by a vegan, allergen-free formula from Natural Factors. Calcium citrate is highly bioavailable and easy on the gut, so absorption stays steady even when stomach acid's low. Natural Factors draws on years of know-how to deliver pure, well tested bone support - free from artificial colours, preservatives and major allergens.

Available Sizes & Variants:

90 tablets calcium citrate – convenient daily bone support.

Benefits & Features:

• Supports bone health with high bioavailability.
• Calcium citrate is easy to absorb, even when stomach acid is low.
• Vegan and vegetarian friendly, free from artificial colours and major allergens, with GMP manufacturing and Isura non GMO certification for peace of mind.
• Manufactured in GMP certified facilities with rigorous third party testing for potency and purity.
• Star ingredient calcium citrate is absorbed efficiently, supporting bone mineralisation as you age, while the vegan, allergen-free formula helps you meet daily needs without compromising lifestyle.

Natural Factors brings decades of bone health know‑how to this calcium citrate formula, produced in GMP facilities and tested by third parties to confirm purity and potency. The product is Isura certified non-GMO and free from major allergens, with a vegetarian/vegan friendly profile. Calcium citrate is among the most bioavailable calcium forms, absorbing well even in lower stomach acid, which helps support bone mineralisation as you age. For balanced bone support, this calcium citrate pairs nicely with a vitamin d supplement as part of a daily routine.

Croscarmellose sodium, coating (cellulose, glycerin), magnesium stearate (vegetable grade), Calcium (citrate)

• GTIN: 68958016115
• Manufacturer: Natural Factors
• Categories: Calcium SupplementsJoints, Bones & Muscles HealthMineralsNatural FactorsNew ArrivalsOut of stock
• 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 1 tablet up to 4 times daily or as directed by a healthcare professional. Take 1 capsule one to three times daily or as recommended by your health-care practitioner.

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

The Active Ingredient Is: Calcium (Calcium Citrate)

Calcium is a (crucial) mineral that helps support bone structure and teeth formation. Calcium citrate is a (highly digestible) form that is (easy on the gut) and suitable for vegetarians and vegans.

This product uses calcium citrate as the active ingredient, with a (non-GMO), allergen-free formulation designed to provide (steady) mineral support for bone health.

What Does Calcium (Calcium Citrate) Do?

Calcium citrate is absorbed in the (gut) and contributes to normal bone mineralisation and teeth health, in line with established (dietary) guidance. It also supports muscle function and nerve signalling as part of (everyday) physiology.

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

Natural Factors is known for its strict manufacturing philosophy and long-standing reputation in the supplement world. The brand runs in GMP-compliant facilities across Canada and the United States, underscoring a commitment to steady quality and regulatory compliance. This manufacturing rigour is backed by third‑party verification through Isura™, confirming non-GMO status and giving independent testing for purity and potency.

For Calcium Citrate, Natural Factors offers a clean, allergen-conscious blend that is vegan-friendly and free from artificial colours, preservatives and other usual irritants. This aligns with our product-specific standards, emphasising transparency in ingredients and strong quality control across batches. Our vetting process recognises the brand’s dedication to purity and responsible sourcing, which supports dependable, accurate-labelling supplementation.

This mix of manufacturer expertise, product integrity and ongoing oversight is why we trust Natural Factors for this supplement. Our expert team of doctors, nurses, and nutritionists trust our clinical guidance, and we rely on our ingredient quality and purity standards to ensure you receive a trusted, value-for-money option.