What It Does
+
This synergistic combination of powerful, clinically validated ingredients:*
- Is formulated with calcium and magnesium in the ideal 2:1 ratio
- Builds strong, healthy, mineralized bones and teeth
- Promotes stable, sustained calcium blood levels
- Helps ensure calcium is deposited in bone instead of soft tissue
- Supports overall cardiovascular health
General Product Info:
- 180 coated tablets (a 60 day supply)
- Made in the USA in an FDA inspected, cGMP facility
- Every batch is 3rd party tested for safety and purity
- Packaged in premium, non-toxic amber glass bottles
- One-year return policy with free return shipping
Why It Works
+
While you probably know that calcium is critical for maintaining bone density and strength, you might not realize that calcium is difficult for your bones to absorb. That’s why we created the state-of-the-art Durable BONES formula. It combines a highly absorbable natural form of calcium, called MCHC, with magnesium and vitamin D3 for enhanced calcium integration into the bone matrix—and maximum effectiveness.*
An Intelligent Approach to Bone Health Support
Durable BONES provides an advanced blend of key nutrients for strong, healthy bones and teeth, including calcium and magnesium in the ideal 2:1 ratio for optimal absorption. It does all this with a unique, easy-to-absorb form of calcium known as microcrystalline hydroxyapatite concentrate—MCHC for short—combined with a blend of three forms of magnesium for full spectrum effectiveness as well as the natural form of vitamin D called D3.*
MCHC Helps Ensure Calcium Is Absorbed into Your Bones
Backed by over 30 years of research, MCHC is a highly absorbable crystalline compound comprised of naturally-occurring organic components that make up strong, healthy bones.*
Clinical studies have shown that MCHC is much more effective at stabilizing blood levels of calcium than other common forms of calcium like citrate or carbonate.*
Why does this matter? Because if your calcium supplement causes a sharp, sudden increase in calcium levels in your blood beyond what your bones are able to absorb, the excess calcium could end up being deposited in your arteries, organs or other places you don’t want it.*
MCHC has been shown to produce lower spikes in blood calcium levels after supplementation when compared to equal doses of other forms of calcium (citrate and carbonate). The lower, sustained levels of calcium MCHC allows for better integration of calcium into the bone matrix.*
Combined with three forms of magnesium and vitamin D3, the MCHC in Durable BONES offers advanced, comprehensive support for the strong, healthy bones you need to enjoy an active lifestyle.*
Why We Use Amber Glass Bottles vs. Clear Glass or Plastic
- Glass is infinitely recyclable and reusable.
- Protects the ingredients from UV light damage.
- No risk of chemicals in plastics leaching into pills.
Directions & Label Information
+
For adults only. Take three tablets once daily or as directed by your healthcare practitioner.
Clean Formula Guarantee
Non-GMO | Gluten Free | Free of Artificial Colors or Preservatives
Timing of Results
Many people will feel improvements after 30 days. However, as with all natural products, results can vary for each individual. Dr. Passero recommends taking Durable BONES for at least 90 days before evaluating your progress so you can make a proper assessment. You can expect results to continue to improve over time.
Side Effects & Interactions
Since Durable BONES is made with 100% natural ingredients, the vast majority of users have no side effects, allergic reactions or interactions. It has no known interactions with most prescription drugs, medications or other dietary supplements.
Cautions
If taking medication, pregnant or breastfeeding consult your healthcare practitioner before use. Keep out of the reach of children.
Contents
Each bottle contains 180 tablets (typically a 60 day supply).
Storage
Keep tightly closed in a cool, dry place.

Durable BONES®
High-Absorption Calcium & Co-Factors
Savings based on 1 bottle price

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What It Does
+
This synergistic combination of powerful, clinically validated ingredients:*
- Is formulated with calcium and magnesium in the ideal 2:1 ratio
- Builds strong, healthy, mineralized bones and teeth
- Promotes stable, sustained calcium blood levels
- Helps ensure calcium is deposited in bone instead of soft tissue
- Supports overall cardiovascular health
General Product Info:
- 180 coated tablets (a 60 day supply)
- Made in the USA in an FDA inspected, cGMP facility
- Every batch is 3rd party tested for safety and purity
- Packaged in premium, non-toxic amber glass bottles
- One-year return policy with free return shipping
Why It Works
+
While you probably know that calcium is critical for maintaining bone density and strength, you might not realize that calcium is difficult for your bones to absorb. That’s why we created the state-of-the-art Durable BONES formula. It combines a highly absorbable natural form of calcium, called MCHC, with magnesium and vitamin D3 for enhanced calcium integration into the bone matrix—and maximum effectiveness.*
An Intelligent Approach to Bone Health Support
Durable BONES provides an advanced blend of key nutrients for strong, healthy bones and teeth, including calcium and magnesium in the ideal 2:1 ratio for optimal absorption. It does all this with a unique, easy-to-absorb form of calcium known as microcrystalline hydroxyapatite concentrate—MCHC for short—combined with a blend of three forms of magnesium for full spectrum effectiveness as well as the natural form of vitamin D called D3.*
MCHC Helps Ensure Calcium Is Absorbed into Your Bones
Backed by over 30 years of research, MCHC is a highly absorbable crystalline compound comprised of naturally-occurring organic components that make up strong, healthy bones.*
Clinical studies have shown that MCHC is much more effective at stabilizing blood levels of calcium than other common forms of calcium like citrate or carbonate.*
Why does this matter? Because if your calcium supplement causes a sharp, sudden increase in calcium levels in your blood beyond what your bones are able to absorb, the excess calcium could end up being deposited in your arteries, organs or other places you don’t want it.*
MCHC has been shown to produce lower spikes in blood calcium levels after supplementation when compared to equal doses of other forms of calcium (citrate and carbonate). The lower, sustained levels of calcium MCHC allows for better integration of calcium into the bone matrix.*
Combined with three forms of magnesium and vitamin D3, the MCHC in Durable BONES offers advanced, comprehensive support for the strong, healthy bones you need to enjoy an active lifestyle.*
Why We Use Amber Glass Bottles vs. Clear Glass or Plastic
- Glass is infinitely recyclable and reusable.
- Protects the ingredients from UV light damage.
- No risk of chemicals in plastics leaching into pills.
Directions & Label Information
+
For adults only. Take three tablets once daily or as directed by your healthcare practitioner.
Clean Formula Guarantee
Non-GMO | Gluten Free | Free of Artificial Colors or Preservatives
Timing of Results
Many people will feel improvements after 30 days. However, as with all natural products, results can vary for each individual. Dr. Passero recommends taking Durable BONES for at least 90 days before evaluating your progress so you can make a proper assessment. You can expect results to continue to improve over time.
Side Effects & Interactions
Since Durable BONES is made with 100% natural ingredients, the vast majority of users have no side effects, allergic reactions or interactions. It has no known interactions with most prescription drugs, medications or other dietary supplements.
Cautions
If taking medication, pregnant or breastfeeding consult your healthcare practitioner before use. Keep out of the reach of children.
Contents
Each bottle contains 180 tablets (typically a 60 day supply).
Storage
Keep tightly closed in a cool, dry place.







Build Strong Bones With Easy-to-Absorb Minerals and Nutrients
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Natural Calcium From MCHC
MCHC is a highly absorbable crystalline compound that contains naturally occurring calcium, phosphorus and other minerals, bone growth factors, collagen and other vital bone-building proteins.*
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Magnesium
An essential mineral needed for strong bones, as well as cardiovascular and overall health. This formula contains a blend of three different forms of magnesium for maximum effectiveness.*
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Vitamin D3
Vitamin D is essential for facilitating the transport of calcium into the bone matrix, which is an important step in maintaining strong, healthy bones and teeth. The D3 form offers superior absorption.*
The Doctor Behind The Formula

Dr. Kevin Passero
Functional Medicine Expert, Licensed Naturopathic Physician and Durable Co-Founder
Supporting your bones is critical as you age. Durable BONES is formulated with a highly absorbable form of calcium in combination with other key bone supporting nutrients like magnesium and vitamin D3 to promote strong bones for an active life.

How I know BONES makes me stronger, is when I get out of my car, and the strength I have in my legs. I notice I didn't have before I started taking it. I can also tell from just walking, or climbing up an embankment - my knees and leg muscles are stronger. It probably took a few weeks to kick in, but not long. I've recommended it to friends, and in my newsletter.
My sister talked me into taking this as she takes it and is an RN who lives in Maine. She said it has made a big difference in her bone density test🥰
I order these products in February, 2024, and my blood pressure has gone down, according to my Doctor. I just feel really good all over to be 68. This was my order, the Plant Multi, Omegas, Magnesium, Bones and Heart. And it looks like I will stay with this product. Reading all of Dr. Kevin Passero reviews via email, is what's keeping me healthy. Thank You for your time and research.