Calcium Citrate
Calcium Citrate
Calcium Citrate
Calcium Citrate

Calcium Citrate

Calcium is an essential mineral that supports the health of bones, muscles and digestion, and our Calcium Citrate supplement is a trusted way to ensure you're getting an adequate daily dose. With 300mg of elemental calcium per serving and a highly absorbed citrate form, you'll experience maximum benefits for your body. Plus, our supplement is gentle on the stomach without any unnecessary additives, making it a safe and natural choice for all, including vegans.

  • 60 vegan capsules. 2 per day
  • Made in the UK to GMP standards.
  • Plastic-free, recyclable packaging.
  • Family-owned business.
Regular price£12.50

Take 2 capsules per day during or after a main meal.

Calcium is a water-soluble mineral and will begin to work quickly. Some people even report a change in muscle function after just a few days! By day 90 (depending on your starting calcium status), you should now be reaching a healthy cellular level of calcium and reaping the benefits for bones and teeth.

Store in a cool, dry place.

2 capsules provide:
Ingredient Amount NRV %
Calcium 300mg 54%
Ingredients: Calcium Citrate, Vegetable Cellulose (Capsule Shell), Rice Concentrate.

100% clean formula.

Suitable for vegetarians and vegans. All Ethical Nutrition products are free from animal-based ingredients and by-products. Registered with the vegan society. 

Free-from: GMOs, Magnesium Stearate, Gelatin, Palm Oil/Palm Oil Derivatives, Maltodextrin, Bulking Agents, Titanium Dioxide, Sugar. 

Allergen-free: totally free from gluten and allergen containing ingredients.

Additive-free: We don't use any nasty additives and where required we use gluten-free rice extract to help us to blend together ingredients and ensure they are accurately dosed.

Ethical Nutrition's Calcium Citrate offers a range of health benefits:

  1. Bone Health: Calcium is vital for the development and maintenance of strong bones. Regular intake of Calcium Citrate can help to reduce the risk of osteoporosis [1].
  2. Heart Function: Calcium is necessary for the normal functioning of the heart. It helps regulate heart rhythm and is involved in the process of blood clotting [2].
  3. Muscle Function: Calcium plays a crucial role in muscle contraction and relaxation. It also aids in maintaining healthy muscle function [3].
  4. Nerve Transmission: Calcium is involved in nerve signal transmission, which is critical for many bodily functions, including movement and sensory processing [4].

Different forms of calcium offer varying degrees of bioavailability, meaning they are absorbed and used by the body at different rates. Calcium Citrate stands out due to its superior absorption compared to other forms such as Calcium Carbonate. Not only is it more readily absorbed and utilized by the body, but it is also gentler on the stomach, which can be a significant advantage for individuals with sensitive digestion. This enhanced bioavailability and decreased risk of side effects such as gas or constipation make Calcium Citrate a preferred choice for many individuals [5][6].

Almost anyone can benefit from Calcium Citrate. However, individuals at risk of osteoporosis, those experiencing muscle cramps or spasms, individuals with heart irregularities, and those looking to support nerve function may find it particularly beneficial [8].

  1. Weaver, C. M., & Heaney, R. P. (2006). Calcium. In Modern Nutrition in Health and Disease (10th ed., pp. 194-210). Lippincott Williams & Wilkins. Link
  2. Reid, I. R. (2013). Cardiovascular effects of calcium supplements. Nutrients, 5(7), 2522-2529. Link
  3. Hwang, D. L., Yen, C. F., & Nadler, J. L. (1993). Effect of extracellular magnesium on platelet activation and intracellular calcium mobilization. American journal of hypertension, 6(9), 745-750. Link
  4. Baker, P. F. (1968). The regulation of intracellular calcium in giant axons. The Journal of physiology, 195(2), 451-470. Link
  5. Heller, H. J., Stewart, A., Haynes, S., & Pak, C. Y. (1999). Pharmacokinetics of calcium absorption from two commercial calcium supplements. Journal of Clinical Pharmacology, 39(11), 1151-1154. Link
  6. Heaney, R. P., Dowell, M. S., Bierman, J., Hale, C. A., & Bendich, A. (2001). Absorbability and cost effectiveness in calcium supplementation. Journal of the American College of Nutrition, 20(3), 239-246. Link
  7. National Institutes of Health, Office of Dietary Supplements. (2019). Calcium. Link
  8. Straub, D. A. (2007). Calcium supplementation in clinical practice: a review of forms, doses, and indications. Nutrition in Clinical Practice, 22(3), 286-296. Link

Why is Ethical Nutrition Different?


No Nasty Additives

Clean formulation, no additives, no allergens, no sugar.


Natural ingredients

Packed full of natural goodness and only the good stuff.

Better absorbed

Proven to be bioavailable & gentle on digestion.

Higher strength

Higher dose nutrients, faster results and more effective.

Plastic free

We're the only brand to use fully paper packaging.

Family owned

Every penny you spend goes back to a small UK business.

Our mission is to help you feel amazing.

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