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Calcium Hydroxyapatite and How to Best Protect Your Bones

Some have referred to calcium hydroxyapatite as the future of bone health. It delivers a more efficient form of calcium than other supplements. Here's what you need to know.

6 minute read

Last Updated December 6, 2021

Calcium Hydroxyapatite and How to Best Protect Your Bones

Sixty percent of your bone weight is made from a mineral complex consisting of calcium, phosphate, and hydroxy groups known as calcium hydroxyapatite.

Calcium hydroxyapatite is a highly absorbable form of calcium that your body requires for bone density support and bone maintenance. It makes sense that this ingredient would be a beneficial component of a bone health supplement

Absorbable Calcium for Bone Health

The health of human bones depends on three essential factors. Osteoclasts are cells that make new bone, and osteoblasts remove bones to distribute its minerals through the body as needed, and collagen forms the matrix around which bone can form. 

Osteoclasts naturally slow down with age, meaning the activities of osteoblasts occur more frequently than new bone can be formed, and bone density is affected. Collagen is also affected by age. This protein creates a matrix of interlocking chains that are exceptionally strong. As the body ages, the integrity of these chains is altered.  

To maintain a balanced function of the osteoclasts and osteoblasts and to supply the body with collagen, certain minerals are required from your diet. Calcium is an essential nutrient that supports this balance and promotes bone health. Calcium hydroxyapatite is a naturally-occurring form of calcium and is the substance on which bone cells build bone. 

Bioavailability For Strong Bones

Your bones need calcium for proper growth and maintenance. Your bones remodel themselves throughout your life, but the process does slow with aging. To support bone density and strength at any age, a scientifically-formulated bone health supplement can help.

Healthy calcium levels

Healthy calcium levels are associated with healthy bone mineralization and strength. The structure of bone changes as a natural part of aging, leading to loss of bone tissue. This can cause bones to weaken and become vulnerable to fractures that can affect the quality of life.

Bones become less dense with age for a number of reasons, including hormonal changes, poor diet with decreased essential mineral intake, and an inactive lifestyle, so calcium hydroxyapatite is highly recommended for additional support. 

The close likeness of calcium hydroxyapatite to the natural bone structure allows it to support and fortify your existing skeletal structure. Hydroxyapatite has good biocompatibility with muscles as well as bone, so it can help reduce occasional muscle discomfort from everyday exertion.

Partnership with Vitamin D3

Calcium hydroxyapatite is more readily absorbed as compared to other calcium supplements, but regulation of calcium in the body depends on more than just calcium. Vitamin D3 plays an integral role in maintaining calcium balance in the body. 

Vitamin D3 helps promote calcium absorption and skeletal mineralization, and when paired with calcium hydroxyapatite, you can achieve optimal peak bone mass more than with calcium supplementation alone. The combination of 50 mcg vitamin D3 and 325 mg calcium hydroxyapatite, as found in OsteoMD® bone health supplement, has been shown to reduce the risk of osteoporosis by slowing the rate of bone loss. 

The hormone calcitriol also promotes calcium absorption, and vitamin D3 encourages production of this hormone. If calcium is unavailable through diet, your body will take it from other sources, namely your bones. Calcium that is stored in the bones is removed and used as needed, which can affect overall bone strength. 

Bone structure changes with age naturally, so establishing a daily routine that includes nutrition, exercise, and stress management is the best way to reduce the risk of occasional bone problems and support overall wellbeing and mobility. Adding calcium hydroxyapatite will support the bone mineralization process to maintain bone health as you age.

Bone structure

Taking Calcium Hydroxyapatite

It is recommended to take no more than 1500 mg per day to support bone strength and health. Calcium hydroxyapatite is considered safe for human consumption but may cause occasional indigestion, gas, or bloating. 

Two other forms of calcium are commonly found in supplements. 

  • Calcium carbonate is not as readily absorbed as calcium hydroxyapatite and needs to be taken with meals because it requires a large amount of stomach acid to digest. This means that very little calcium is actually absorbed. 
  • Calcium citrate is more easily absorbed than calcium carbonate but supplements contain very little calcium for your bones.

The Bottom Line

In combination with vitamin D3, calcium hydroxyapatite can support bone mineralization and your skeletal structure. Calcium hydroxyapatite is highly bioavailable and the form of calcium with a closer resemblance to natural bone compounds. Calcium hydroxyapatite is a naturally-derived way to promote healthy bone density and keep you on the path to healthy, strong bones.