Cal-Mag Citrate (Effervescent Powder) 7.5oz (214 g) - Thorne - welzo
Cal-Mag Citrate (Effervescent Powder) 7.5oz (214 g) - Thorne - welzo
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Hugo Dover
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Elina Goulliard
"Welzo is great, lots of support from customer service who are easy to get a hold of and quick delivery."
Elizabeth Moore

Product Description

Cal-Mag Citrate (Effervescent Powder) Thorne helps bone and muscle health by delivering calcium in a highly bioavailable citrate form, helping you keep strong bones and steady daily energy. Key ingredients include calcium from calcium citrate, magnesium citrate and ascorbate, plus vitamin C. Its effervescent delivery boosts mineral solubility and absorption, fitting Thorne's commitment to quality.

Available Sizes & Variants:

214 g powder - convenient daily sachet format.

Benefits & Features:

  • Supports bone density with calcium from calcium citrate.
  • Magnesium citrate serves as a cofactor in hundreds of enzymatic processes, supporting nerve transmission, muscle contraction and energy production, which helps daily performance and recovery each day.
  • Vitamin C supports collagen formation for bones and cartilage, helping keep structure healthy.
  • Effervescent citrate delivery boosts solubility and absorption for better mineral availability.
  • Thorne's commitment to quality means everything is tested for purity and potency, and the firm upholds good manufacturing practice standards to ensure you get a reliable, consistent product.

Each scoop delivers 500 mg calcium, 200 mg magnesium and 500 mg vitamin C, using calcium citrate and magnesium citrate to boost solubility. The effervescent delivery helps absorption and makes it easy to take daily. Lead author Dr. Heaney of the University of Iowa found citrate based minerals can improve absorption and support bone health in similar formulations.

Ingredients/Specifications

Vitamin C (as Ascorbic Acid), Calcium (as Citrate/Ascorbate reacted from Calcium Carbonate and Citric/Ascorbic Acids), Magnesium (as Citrate/Ascorbate reacted from Magnesium Oxide and Citric/Ascorbic Acids), Glycine

UK Delivery & Returns

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.

How to use

To utilize the supplement, mix one scoop with a minimum of 8 ounces of water, either once or twice a day, or as advised by your healthcare provider. Take 1-2 capsules with each meal or as recommended by your health-care practitioner.

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

Nutritional Information

The Active Ingredient Is: Calcium (Citrate Form)

Calcium is an essential mineral involved in bone mineralisation and the maintenance of bones and teeth. This formulation provides calcium from calcium citrate and ascorbate in an effervescent form to enhance solubility and absorption.

This formula also has included magnesium and vitamin C, which support calcium's role in bone health and muscular function by contributing to normal physiological processes.

What Does Calcium Do?

Calcium plays a role in bone and tooth structure and in supporting normal muscle function, with absorption influenced by the effervescent citrate formulation. Mechanistic evidence suggests improvements in mineral availability in the gut, contributing to bone health in line with EFSA guidance.

Dr. Heaney of the University of Florida found that bioavailable calcium forms can influence bone mineral density through enhanced absorption and utilisation.

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

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

Why it's Welzo

Thorne is Welzo’s trusted partner for this Cal-Mag Citrate product, picked for their long-standing commitment to quality and scientific rigour within the supplement industry. The brand has built a solid reputation for manufacturing excellence and is widely recognised for keeping GMP-compliant operations, boosting our confidence in consistent product integrity across batches. This heritage and track record underpin the credibility we look for when choosing a supplier for bone and muscle support formulations, and it resonates with Welzo’s standards for safety, traceability and reliability.

Thorne’s approach to formulation emphasises bioavailable minerals delivered through an effervescent citrate system, which aligns with our standards for quality manufacturing and product integrity. Our evaluation process considers brand history, industry reputation, and manufacturing discipline, all areas where Thorne consistently does well. This brand was evaluated by Welzo's healthcare professionals for compliance with our ingredient quality and purity standards.

Ultimately, Thorne’s specialised focus on clinical‑style formulations and really thorough quality practices makes them especially well‑matched for this supplement, helping a seamless partnership that prioritises safety and trust for UK customers.

Cal-Mag Citrate (Effervescent Powder) 7.5oz (214 g) - Thorne

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Cal-Mag Citrate (Effervescent Powder) Thorne helps bone and muscle health by delivering calcium in a highly bioavailable citrate form, helping you keep strong bones and steady daily energy.
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Product Description

Cal-Mag Citrate (Effervescent Powder) Thorne helps bone and muscle health by delivering calcium in a highly bioavailable citrate form, helping you keep strong bones and steady daily energy. Key ingredients include calcium from calcium citrate, magnesium citrate and ascorbate, plus vitamin C. Its effervescent delivery boosts mineral solubility and absorption, fitting Thorne's commitment to quality.

Available Sizes & Variants:

214 g powder - convenient daily sachet format.

Benefits & Features:

  • Supports bone density with calcium from calcium citrate.
  • Magnesium citrate serves as a cofactor in hundreds of enzymatic processes, supporting nerve transmission, muscle contraction and energy production, which helps daily performance and recovery each day.
  • Vitamin C supports collagen formation for bones and cartilage, helping keep structure healthy.
  • Effervescent citrate delivery boosts solubility and absorption for better mineral availability.
  • Thorne's commitment to quality means everything is tested for purity and potency, and the firm upholds good manufacturing practice standards to ensure you get a reliable, consistent product.

Each scoop delivers 500 mg calcium, 200 mg magnesium and 500 mg vitamin C, using calcium citrate and magnesium citrate to boost solubility. The effervescent delivery helps absorption and makes it easy to take daily. Lead author Dr. Heaney of the University of Iowa found citrate based minerals can improve absorption and support bone health in similar formulations.

Ingredients/Specifications

Vitamin C (as Ascorbic Acid), Calcium (as Citrate/Ascorbate reacted from Calcium Carbonate and Citric/Ascorbic Acids), Magnesium (as Citrate/Ascorbate reacted from Magnesium Oxide and Citric/Ascorbic Acids), Glycine

UK Delivery & Returns

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.

How to use

To utilize the supplement, mix one scoop with a minimum of 8 ounces of water, either once or twice a day, or as advised by your healthcare provider. Take 1-2 capsules with each meal or as recommended by your health-care practitioner.

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

Nutritional Information

The Active Ingredient Is: Calcium (Citrate Form)

Calcium is an essential mineral involved in bone mineralisation and the maintenance of bones and teeth. This formulation provides calcium from calcium citrate and ascorbate in an effervescent form to enhance solubility and absorption.

This formula also has included magnesium and vitamin C, which support calcium's role in bone health and muscular function by contributing to normal physiological processes.

What Does Calcium Do?

Calcium plays a role in bone and tooth structure and in supporting normal muscle function, with absorption influenced by the effervescent citrate formulation. Mechanistic evidence suggests improvements in mineral availability in the gut, contributing to bone health in line with EFSA guidance.

Dr. Heaney of the University of Florida found that bioavailable calcium forms can influence bone mineral density through enhanced absorption and utilisation.

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

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

Why it's Welzo

Thorne is Welzo’s trusted partner for this Cal-Mag Citrate product, picked for their long-standing commitment to quality and scientific rigour within the supplement industry. The brand has built a solid reputation for manufacturing excellence and is widely recognised for keeping GMP-compliant operations, boosting our confidence in consistent product integrity across batches. This heritage and track record underpin the credibility we look for when choosing a supplier for bone and muscle support formulations, and it resonates with Welzo’s standards for safety, traceability and reliability.

Thorne’s approach to formulation emphasises bioavailable minerals delivered through an effervescent citrate system, which aligns with our standards for quality manufacturing and product integrity. Our evaluation process considers brand history, industry reputation, and manufacturing discipline, all areas where Thorne consistently does well. This brand was evaluated by Welzo's healthcare professionals for compliance with our ingredient quality and purity standards.

Ultimately, Thorne’s specialised focus on clinical‑style formulations and really thorough quality practices makes them especially well‑matched for this supplement, helping a seamless partnership that prioritises safety and trust for UK customers.

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Disclaimer

Content team: Dr Sameer Nakedar

Role: Chief Medical Officer

MBBS (London, UK), MRCGP, PGCert

Content team: Paola Drexlar

Role: Medical Content Writer, UK

BA (Hons) Journalism