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Manufactured By: New Chapter
Code: NC1170
Reg: $62.95   Sale: $51.99  
(Savings: $10.96)
Average Customer Rating
4.0 out of 5 stars with 4 reviews 4.0 out of 5  
4Customer Reviews
5 Star: 75% 3
4 Star: 0% 0
3 Star: 0% 0
2 Star: 0% 0
1 Star: 25% 1
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The calcium complex in New Chapter® Bone Strength Take Care™ is derived from a special form of plant called Algas Calcareas (AlgaeCal®) that is harvested from the pristine shores of a protected national reserve park in South America. Because calcium alone isn’t enough, Bone Strength Take Care also provides key whole-food complexed nutrients like Vitamin D3, which helps in the absorption of calcium, and Vitamin K, which helps in the maintenance of bones


Lithothamnion corallioides

(Red marine algae) (whole plant)
850 mg
   [Calcium 256.66 mg; Magnesium 19.33 mg; Silicon 0.7 mg;  
    Vanadium 4.3 mcg]  
Vitamin K2 (Menaquinone 7) 15 mcg
Vitamin K1† (Phytomenadione) 11.67 mcg
Vitamin D3† (Cholecalciferol) [333.33 IU] 8.33 mcg
† fermented  

Non-Medicinal Ingredients:

Organic milled soy, organic Saccharomyces cerevisiae, organic maltodextrin, organic
gum acacia, organic alfalfa powder, organic barley, maltodextrin, hypromellose,
silica and sunflower oil.


120 slim tablets



: Soy, wheat and barley. Contains gluten at less than 20 ppm.

Cautions and warnings:

Avoid using two hours prior to or until four hours after taking other medications. Consult a healthcare practitioner prior to use if you are taking blood thinners. Do not use this product if you have an allergy to any of the ingredients. Discontinue use and contact a healthcare practitioner if you experience an allergic reaction.


Do not use if you are pregnant or breastfeeding.


Bone Health



Articles by a Naturopathic doctor.




Bone-strengthening calcium your body recognizes as food

With AlgaeCal, a proprietary plant source of calcium

With Vitamin D3 and K2 complex 

Bioavailable whole food
No Limestone!


Take 3 tablets daily with 250 ml of water in the middle of a larger meal. For best results, take one tablet with lunch and two tablets with dinner


New Chapter's innovative manufacturing process and research based products offer you superior nutritional supplements.  

> view other products from New Chapter

Bone Strength Take Care

Evidence suggests that calcium from whole food sources may produce more favorable effects in bone health than isolated calcium supplements. Similar to most nutrients, the body can utilize calcium much more effectively when it is paired with its natural co-factors such as magnesium and other trace minerals.

The most common form of calcium supplement today is derived from limestone.

You don’t eat rocks as part of your balanced diet, why would you choose to supplement your bone health nutritional needs with limestone?

Our bodies understand and seek whole food sources of nutrition, not rocks, which is why New Chapter formulated this product with a whole food plant source of this important nutrient complex. As whole food, it’s easy on the digestive system.

The calcium complex in

Bone Strength Take Care™

is derived from a special form of plant called Algas Calcareas (


that is harvested from the pristine shores of a protected national reserve park in South America. Much like the vegetables from an organic garden, the algae is harvested live and then cold processed to retain its nutritional value.

Calcium must be completely dissolved in order to be absorbed. The plant-based calcium found in Bone Strength Take Care is porous, which dramatically increases the calcium’s surface area. Stomach acid can then come into greater contact with the calcium, making it easy to dissolve.

In addition to the whole-food source of calcium and magnesium, we have also added other bone-nourishing nutrients to complete the food complex.

Vitamin K is an essential co-factor in calcium absorption and retention. Human cell proteins that don’t get enough Vitamin K can’t hold onto calcium, causing this critical nutrient to drift away from the bone. Vitamin K2 (MK-7), sourced from fermented whole food, gently redirects “lost” calcium back into the bone bank.

Vitamin D3 completes the complex. Numerous studies have found that Vitamin D aids bone support and function.


Calcium is an essential mineral for health as it is required both for building bone density and for maintaining electrolyte balance in the body. For more information on electrolytes, please click here. There are a number of different forms of calcium available, each with different ability to be absorbed and utilized by the human body. For more information on the various calcium sources available, please click here. AlgaeCal is a proprietary bone building supplement made from an extract of a South American algae called Algas calcareas™. When this form of calcium is combined with other bone building minerals and vitamin D in the patented AlgaeCal formula, it has been shown to improve bone density over the course of one year of supplementation.

Normal Loss of Bone Density

Bone density peaks around the age of 20, and then begins to decline from that point onwards, throughout our lives. Research has found that depending on age and hormone status, the average female over 40 loses between 0.5% and 1% of her bone density each year, with potentially larger losses occurring after menopause (potentially around 2% yearly). In men the numbers are around half what we see in women for corresponding age groups. The measurement of bone density is used to calculate fracture risk and to diagnose osteoporosis. For more information on osteoporosis, please click here.

Boosting Bone Density

Most calcium supplements are targeted at simply helping to prevent further loss of bone density, and hope to hold the body at the current bone density level. Even with regular calcium supplementation with normal calcium sources, bone mineral density tends to decrease by 0.1% over the year. AlgaeCal goes above and beyond normal calcium supplements by actually increasing bone mineral density by an average of 1.3% over one year of supplementation when combined with 1000IU of vitamin D. For more information on vitamin D, please click here. So, AlgaeCal not only stops bone loss, but can actually help you to once again regain lost bone mass.

How does it work?

The research on this particular supplement is still quite new, so there is much that is not yet understood. It is believed that the calcium extracted from algae is more absorbable in our digestive tracts and thus more available for our body's use. Some test-tube research on bone cells soaked in different forms of calcium found that the AlgaeCal form allowed for increased cell activity and calcium absorption relative to other forms of supplemental calcium. It is thought that like many other nutrients, the plant form of calcium, coming from a "whole food" source is more absorbable than the mineral-based forms. When the plants absorb the nutrients from mineral sources, they alter them to make them more bioavailable. In addition to this increased absorbability, other bone-building vitamins and minerals have been added to boost the effect of this active calcium.

How should I take AlgaeCal?

According to the maker of this particular supplement, and going along with their research results, the recommended dose is 750mg of calcium from AlgaeCal bone health supplement daily combined with 1000IU of vitamin D. That was the dose that created a 1.3% increase in bone density over the course of one year. Be sure to dose according to the calcium content of the supplement, and not its total weight. Many AlgaeCal supplements will already contain vitamin D to ensure benefits to bone health. If it does not, be sure to get at least 1,000IU of vitamin D as well. In general it is a good idea to take calcium supplements away from food to avoid blocking absorption.

4 Customer Reviews
5 Star: 75% 3
Average Customer Rating
4.0 out of 5 stars with 4 reviews 4.0 out of 5
75% recommend it to friends
4 Star: 0% 0
3 Star: 0% 0
2 Star: 0% 0
1 Star: 25% 1
Featured Review
5 out of 5 stars Bone Strength from New Chapter is a Great Product
by from Montreal, Quebec on 15/5/2016
Recommends it to Friends: Yes
Bone Strength from New Chapter is a great product with no side effects. Absorption is quick and I feel much better with it. (Updated on 15/05/2016.)
Was this review helpful to you? YES / NO
Featured Review
1 out of 5 stars This product is not the best
by from Québec, Canada on 22/10/2011
Recommends it to Friends: No
For those who suffer like me from osteoporosis, I would not recommend this product because strontium should not be taken with calcium in the same time. Ill buy Greens+ bone builder.
0 of 1 user found this review helpful. Was this review helpful to you? YES / NO
Featured Review
5 out of 5 stars the only one that helps me
by from Ompah , Ontario on 3/8/2011
Recommends it to Friends: Yes
This is the only natural Bone strength that helps me . Us all the Mineral Pills give me Kidney Stones and I have a hard time getting rid of them again with one Bladder infection after another .. So I highly recommend the AlgaeCal Thank You
2 of 2 users found this review helpful. Was this review helpful to you? YES / NO
5 out of 5 stars New Chapter Bone Strength Take Care
by from Uxbridge, ON on 2/12/2014
Recommends it to Friends: Yes
Almost three years ago I was diagnosed with osteopenia after a bone scan. Having read research online, I began to take Bone Strength Take Care from New Chapter according to the directions, along with Strontium Citrate, AOR brand, 341 mg. (strontium taken separately two hours before or after eating, especially any calcium food) My next bone scan result one year later was normal. I am 70+ years, and despite the cost factor, feel this therapy is good insurance at my age.
Was this review helpful to you? YES / NO
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