Calcium Supplements: Do They Really Protect Your Bones?

Updated: April 3, 2024

calcium pills in hand

Taking a calcium supplement? Odds are it won’t protect your bones. That’s according to scientists writing in the British Medical Journal. After analyzing 120 separate studies, researchers concluded that calcium supplements don’t prevent fractures.

That’s because bone loss isn’t just a loss of calcium – it’s a loss of all the minerals that make your bones strong. In fact, clinical studies show it takes a total of 13 minerals and 3 vitamins to increase bone density.

So if your calcium supplement contains only calcium, you’re only getting just one of the 16 nutrients needed for better bone health. You’re 15 nutrients short! And without those missing ingredients you can’t increase the density of your bones. It’s like trying to bake a cake with nothing but flour. 

Let’s take a closer look at these nutrients and how they boost your bone health.

The Chauffeur Of Nutrients – Vitamin K2

Vitamin K2 activates osteocalcin, a protein that ensures calcium is transported to our bones. This process is vital not only for strong bones but also for preventing calcium from building up in soft tissues, like arteries, the heart, or kidneys [1].

vitamin k2 helping calcium enter the bone

One of the richest natural sources of Vitamin K2 is natto, a fermented soybean dish traditional in Japanese cuisine. However, unless you’re eating a lot of nato, you’re probably not getting enough Vitamin K2 from your diet. That’s why it’s important to take a Vitamin K2 supplement, specifically in the MK-7 form, to help address this deficiency.

The recommended daily intake of Vitamin K varies by gender. Women should aim for 90 micrograms (mcg) per day, while men should target 120 mcg [2].

The Vitamin Everyone Needs – Vitamin D3

Your body has 30 trillion cells. They all need Vitamin D. Without it, they can’t perform their essential functions. That’s why Vitamin D has been rightly heralded as the one vitamin that everyone should take. And yet, despite its importance only 1 in 2 Americans are getting enough of this essential vitamin. And that’s a problem for your bones…

That’s because Vitamin D helps your body absorb calcium from the food that you eat. Essentially it gets calcium in the door. That’s why studies show that people with low levels of Vitamin D are more likely to develop osteoporosis. [3][4]. 

vitamin d helping absorb calcium

You can get Vitamin D from three sources – sunshine, food, and supplements. Sunshine isn’t always practical, especially during the winter months. Food is almost impossible, you’d need to eat 4 tins of sardines every day! That’s why most folks take a Vitamin D3 supplement. 

Vitamin D3 works best when it’s paired with the three fat-soluble vitamins – A, E, & K. Together, these vitamins have a collective impact that’s greater than the sum of their parts. 

The vitamin D RDA for adults is 15 mcg to 20 mcg daily [5]. 

Citrus For Strength – Vitamin C

Vitamin C is a crucial component in the synthesis of collagen, which is the main structural protein found in bones. Collagen provides the framework on which bone mineralization occurs. So, without sufficient vitamin C, the production of collagen is impaired, potentially leading to weaker bones [6]

Some research suggests that vitamin C may stimulate the production of osteoblasts, the cells responsible for forming new bone tissue, and inhibit osteoclasts, the cells involved in bone resorption. [7]

Additionally,  Vitamin C has antioxidant properties, helping to protect bone cells from damage caused by free radicals. This oxidative stress can contribute to bone loss and the development of osteoporosis.The RDA for vitamin C is 75 to 90 mg daily for adults. That’s the bare minimum needed to avoid diseases like scurvy – so unless you’re an 18th century pirate you’ll likely need a lot more! [8].

The Cornerstone Of Healthy Bones – Calcium

About 64% of your bones are made of calcium. So it’s essential for keeping your bones strong and dense. [9]. 

It also influences other factors that affect bone health. For example, the parathyroid hormone (PTH) is closely linked with calcium levels in your blood. If calcium levels drop, PTH responds by extracting calcium from your bones to balance blood calcium levels.This makes your bones weaker. Conversely, when there’s plenty of calcium in your blood, PTH activity reduces, allowing your bones to absorb this excess calcium [10].

You can find calcium in foods like milk, cheese, fish, soy, and spinach. But as you get older, your need for calcium increases, and it becomes harder to absorb this vital nutrient. That’s where calcium supplements can be beneficial. 

But beware! Most traditional supplements are sourced from crushed rocks! These are hard to digest. That’s why it’s better to opt for a plant-based calcium supplement – it’s gentler on your body. 

The RDA for calcium for adults is 1,200 mg [11]. 

Maximize Your Magnesium

If you want better bones, then you need more magnesium. A group of British scientists discovered a connection between a magnesium-rich diet and bone strength. Researchers followed 2,245 middle-aged men for 20 years. The men who ate magnesium-rich foods –– like leafy greens, red meat, oily fish, and even dark chocolate –– had a lower risk of suffering bone fractures than their magnesium-deficient counterparts. 

magnesium rich foods

In 2009, the European Food Safety Authority concluded that a cause and effect relationship has been established between the dietary intake of magnesium and maintenance of normal bones. This was confirmed by a 2021 review of 28 different studies that showed that having more magnesium in your diet can make your bones stronger and lower the chance of breaking them.

And yet, despite its crucial role in bone health 1 in 2 Americans don’t get enough magnesium [12]. This shortfall can have significant consequences for our bones. A lack of magnesium hinders bone growth, disrupts the balance and function of bone-building (osteoblast) and bone-breaking (osteoclast) cells, and ultimately leads to osteoporosis [13].

The RDA for magnesium for adults is 420 mg for men, and 320 mg for women [14]. 

Bulletproof Your Bones – Boron

Boron, used in ballistic vests, tank armor, and other types of protective armor is essential for strong and healthy bones. That’s because it helps metabolize the minerals integral to bone health, such as calcium, magnesium, and phosphorus. 

It’s also involved in the metabolism of steroid hormones, particularly vitamin D and estrogen, both of which are crucial for healthy bone maintenance. Boron’s role in metabolizing these hormones helps maintain their optimal levels, which is essential for bone growth and regeneration.

Furthermore, research suggests that boron can reduce inflammation and act as an antioxidant, which is crucial for protecting bone health, especially as we age [15].  

Dried apricots, red kidney beans, avocados, and walnuts are all rich food sources of boron.

Faucets To Femurs – Copper

Copper plays a critical role in the synthesis of collagen, a key protein in bones and connective tissue. It’s one of the things that give your bones their strength and shape! So, if your body doesn’t get enough copper, it can’t make enough collagen, leading to weaker bones.

Besides helping with collagen, copper is also part of the bone mineralization process. This is where your bones get their hardness and strength from minerals. It plays a role in linking up collagen and elastin (another protein in your bones), ensuring your bones are both strong and flexible.[16]. 

The RDA for copper is 900 mcg, with oysters, kale, shiitake mushrooms, and dried prunes all providing rich sources of this nutrient [17]. And while 900 mcg doesn’t sound like much as many as 1 in 4 Americans aren’t getting enough of this essential nutrient.

The Magic Mineral – Manganese 

Research has found that when postmenopausal women take manganese supplements along with calcium, copper, and zinc, they see a bigger improvement in bone health compared to just taking calcium alone [18]. 

So, how does manganese do this? It serves as a cofactor for several enzymes involved in the bone-building process. It helps with bone formation, supports the production of vital components of the bone matrix, aids in the absorption of calcium, and contributes to the overall metabolism and maintenance of bones.

The adequate intake for manganese is 2.3 mg for men, and 1.8 mg for women [19].

Cooked mussels, hazelnuts, pumpkin seeds, and whole grains are all rich food sources of manganese.

Stimulate Your Bone-Building – Silica

According to studies, silica stimulates collagen synthesis – which strengthens connective tissues. It also promotes osteoblast activity. These are the cells that build healthy new bones. 

That’s why a 2003 study found that a higher silica intake was linked to a 10% increase in bone density, especially in the cortical bone of hips in men and premenopausal women. This research also suggests benefits for trabecular bone, the spongy interior of bones. [20]. 

Leeks, garbanzo beans, strawberries, and rhubarb are all rich food sources of silica.

The Nickel Factor

If you don’t have enough nickel in your diet it can affect the distribution and function of other nutrients in the body – including calcium. Furthermore, research suggests that nickel plays a role in the enzymes involved in bone remodeling. This means adequate nickel is essential for your bones to rebuild themselves properly [21].

Pure cocoa powder, cashews, spinach and red kidney beans are all rich food sources of nickel.

Power Up Your Bone Health – Phosphorus

Around 85% of your body’s phosphorus lives in your bones, where it works alongside calcium to strengthen and build the integrity of your bone tissue [22]. Additionally, phosphorus is vital for cartilage formation – the tissue that cushions joints and prevents them from rubbing together [23]. 

So, if you want stronger bones and healthier joints consider adding 700 mg per day to your diet. [24].

Phosphorus is found in various foods, including milk, salmon, cheese, lentils, chicken, beef, and cashews.

Get More Potassium

There’s a 98% chance you’re losing bone because of a potassium deficiency. It’s true! Studies suggest that only 2% of American adults get enough of this essential nutrient. And that could be causing your bones to weaken. 

That’s because potassium slows down osteoclasts (cells that eat away at the bone). And slowing down these bone-eating cells results in stronger bones. So if you want to stop your bones from becoming weak and prone to fracture, make sure you’re getting 4,700 mg of potassium per day [25]. 

White beans, bananas, baked acorn squash, and potatoes are all rich food sources of potassium [26].

The Selenium Shield

Studies show selenium may reduce the risk of osteoporotic fracture [27]. It’s all thanks to selenoproteins. These special proteins, which need selenium, help keep your bones in balance. They prevent osteoclasts, the cells that break down bone, from working too hard. This means your bones can stay stronger for longer [28]. 

The RDA for selenium is 55 mcg for adults. Sunflower seeds, shellfish, poultry, and eggs are all rich food sources of selenium [29].

Strontium To Boost Your Bone-Building

Strontium does something that no other mineral can do. It naturally accelerates bone-building. What’s unique about strontium is that it works in two ways at once. First, it encourages your body to create new bone. At the same time, it slows down the loss of old bone. This dual action means your bones don’t just get stronger; they get stronger faster! [30].

Carrots, barley, peas, and mollusks are all rich food sources of strontium.

Vanadium – The Must-Have Mineral For Bone Health

Scientists investigating leg deformities in goats made a significant discovery. All the affected goats had one thing in common – they lacked vanadium. This highlighted the crucial role of vanadium in bone health.

In laboratory experiments, a compound called vanadate, abundant in vanadium, demonstrated remarkable capabilities. It not only stimulated the growth of bone cells but also enhanced the production of collagen. Collagen is a foundational element for bone strength and flexibility, underscoring the importance of vanadium in maintaining strong bones.

But that’s not all. Recent studies have found that vanadium can also help promote bone health without any negative side effects.[31] [32]. 

Mushrooms, spinach, black pepper and wine are all rich food sources of vanadium.

Zinc – You Absolutely Need It

If you’re looking to build and maintain strong bones, you may want to add more zinc to your diet. That’s because zinc is an essential mineral that plays a crucial role in bone metabolism by acting as a cofactor for specific enzymes. 

Here’s how it works: Zinc plays a vital role in regulating osteoblast cells (the bone builders) and curbing the activity of osteoclasts (the bone breakers). The result? Your bones become stronger and more resilient [33]. 

The RDA for zinc is 11 mg for men and 8 mg for women [34]. And yet, despite its key role in supporting bone metabolism, 4 in every 10 elderly Americans aren’t getting enough of this essential mineral in their diet.

Wheat germ, spinach, beef, and lamb are all rich food sources of zinc.

Takeaway

Your bones deserve the best, but most diets fall short of providing what they truly need.
That’s where AlgaeCal Plus steps in.

AlgaeCal Plus Benefits

AlgaeCal Plus was carefully crafted to bridge the gap between your everyday diet and the essential nutrients your bones crave for lasting strength and health. And remember, you don’t need some of these nutrients – you need all of them.

That’s why AlgaeCal Plus is the only supplement clinically supported to increase bone density. That’s right. AlgaeCal doesn’t just stop bone loss – it actually makes your bones stronger.

Click the link below to discover how AlgaeCal Plus can transform your bone health.

Yes, I Want Stronger Bones!

FAQs

What minerals are best for bones?

Your bones require several minerals for optimal health, including calcium, magnesium, potassium, phosphorus, manganese, vanadium, zinc, selenium, silica, strontium, nickel, copper, and boron.

How can I increase my bone minerals?

Consuming a diet rich in a variety of whole foods can enhance the number of minerals in your bones. However, the best way to ensure your bones receive adequate minerals is to find a high-quality supplement that contains a range of bone-enhancing minerals.

How can I make my bones stronger?

Both physical activity and proper nutrition play a role in enhancing bone density. Along with weight-bearing exercises, ensuring you’re getting a range of bone-building nutrients is crucial.ement that contains a range of bone-enhancing minerals.

Article Sources

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  7. Thaler, R., Khani, F., Sturmlechner, I., Dehghani, S. S., Denbeigh, J. M., Zhou, X., ... & van Wijnen, A. J. (2022). Vitamin C epigenetically controls osteogenesis and bone mineralization. Nature communications, 13(1), 5883.
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  10. Vannucci, L., Fossi, C., Quattrini, S., Guasti, L., Pampaloni, B., Gronchi, G., ... & Brandi, M. L. (2018). Calcium intake in bone health: a focus on calcium-rich mineral waters. Nutrients, 10(12), 1930.
  11. https://ods.od.nih.gov/factsheets/calcium-HealthProfessional/
  12. DiNicolantonio, J. J., O’Keefe, J. H., & Wilson, W. (2018). Subclinical magnesium deficiency: a principal driver of cardiovascular disease and a public health crisis. Open heart, 5(1), e000668.
  13. Mammoli, F., Castiglioni, S., Parenti, S., Cappadone, C., Farruggia, G., Iotti, S., ... & Frassineti, C. (2019). Magnesium is a key regulator of the balance between osteoclast and osteoblast differentiation in the presence of vitamin D3. International journal of molecular sciences, 20(2), 385.
  14. https://ods.od.nih.gov/factsheets/magnesium-HealthProfessional/
  15. Pizzorno, L. (2015). Nothing boring about boron. Integrative Medicine: A Clinician's Journal, 14(4), 35.
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  19. https://ods.od.nih.gov/factsheets/Manganese-HealthProfessional
  20. Jugdaohsingh, R. (2007). Silicon and bone health. The journal of nutrition, health & aging, 11(2), 99.
  21. Rodríguez, J., & Mandalunis, P. M. (2018). A review of metal exposure and its effects on bone health. Journal of toxicology, 2018.
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  37. https://today.oregonstate.edu/archives/2009/sep/zinc-deficiencies-global-concern

Article Comments

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  1. Karen Van Dine

    July 9, 2016 , 6:21 am

    I am a 50 year old woman that has been recently diagnosed with osteoporosis in my hips. My mom has severe osteoporosis and did the Fosomax thing. I don’t want to do that. I ordered Algae Cal and on the first day found out that I was taking an excessive amount of calcium. By the end of the day I was extremely lightheaded and could not walk straight. I called and the nice man told me to stop everything but my prescription cholesterol medicine until I felt better.
    After about a week I started to take only one Algae Cal tablet. Meanwhile, I had my annual checkup. My doctor checked by Vitamin D level and it was 41. I was told that I should only take the 1 Algae Cal tablet with meals and not increase it. So, now what? I am very frustrated. I have looked at all the traditional meds for osteoporosis. I do not want to do those. It seems that the medical community differs from the alternative community and the alternative community differs with themselves. I feel like I am playing Russian Roulette with my vitamins! I appreciate your feedback.
    Thank you,
    Karen

  2. Monica

    July 25, 2016 , 2:10 am

    Hi Karen,

    I understand your frustration and encourage you to continue researching and learning.

    We are currently updating the following article, where Lara will list physician organizations whose members are open to helping people determine the underlying (and almost always fixable, naturally) causes of their bone loss. This list is not up yet, but will be shortly. So please keep checking back in on it: https://blog.algaecal.com/prescription-drugs-that-cause-osteoporosis/

    It’s important to discuss any meds or supplements with your health specialist as they are the ones who know your full health history.

    If you’d like to take a look at our clinical research, you can do so here: https://www.algaecal.com/research/clinical-studies/

    In addition, the blog section of our website is a fantastic resource as well: https://blog.algaecal.com/

    – Monica @ AlgaeCal

  3. Lizabeth

    April 6, 2024 , 12:36 am

    Very good article (again). Love the alliteration — it makes things memorable! Thank you for your in-depth research and the quick reference guide provided in “In This Article”. Everything and everyone always so helpful at AlgaeCal.

  4. Yoori AlgaeCal

    April 7, 2024 , 3:53 pm

    We truly appreciate your kind feedback, Lizabeth, and glad you found this article helpful! 🙂

    – Yoori

  5. Susan Danio

    April 6, 2024 , 3:40 am

    Could you please comment on the difference between vitamin K2 MK4 and MK7. I’ve read that MK7 is better for bone building than MK 4, but I believe Algaecal uses the MK4 variety in Algaecal Plus.
    This is a confusing subject and I’d be interested in hearing your comments for clarification.

  6. Yoori AlgaeCal

    April 7, 2024 , 3:56 pm

    Great question, Susan! To confirm, AlgaeCal Plus contains 100 mcg of vitamin K2 (MK-7) per daily 4 capsules. We have an in-depth blog article going over the difference between MK-4 and MK-7 HERE for your interest. I hope this helps! 🙂

    – Yoori

  7. Nancy Strother

    April 6, 2024 , 4:05 am

    Can you resend me the protocol of when to take Algea Cal Plus, Strontinum and Citrate Calcium? I misplaced mine and wanta make sure I take them correctly, the amounts and timing.

  8. Yoori AlgaeCal

    April 7, 2024 , 4:01 pm

    Thank you for reaching out, Nancy, and of course! I have forwarded you the email right away, so please check your inbox and let us know if you have any follow-up questions! We are happy to help :).

    – Yoori

  9. Ione

    May 2, 2024 , 9:22 pm

    Should I continue to take the calcium carbonate that I was taking before I started the AlgeaCal Plus & Strontium. My fingernails looked better when I was taking calcium carbonate. The AlgeaCal Plus has much less calcium. I would like to know how I could balance taking both. Is the added 600 mg carbonate calcium with D3 two times a day too much with the AlgeaCal Plus nutrients & Strontium?

  10. Samantha AlgaeCal

    May 3, 2024 , 8:34 am

    Good question! We don’t recommend taking another calcium supplement with AlgaeCal. AlgaeCal Plus provides 720 mg of plant-based calcium and the average diet provides another 500 mg. This means that you’ll reach the recommended 1200mg of calcium each day, all through food sources! Taking an additional calcium supplement alongside the AlgaeCal Program would simply provide your body with too much additional supplemental calcium. You can simply focus on obtaining the remainder of your daily calcium requirements from calcium rich foods like leafy greens, or nuts and seeds!
    – Sam

  11. Jennifer Martin

    April 6, 2024 , 6:57 am

    So is AlgaeCal regular not fortified with those 16 minerals, and not known for supporting bone health fully then?

  12. Yoori AlgaeCal

    April 7, 2024 , 4:03 pm

    Thank you for reaching out, Jennifer! The difference between the AlgaeCal Plus and AlgaeCal is that AlgaeCal Plus is essentially a more complete formulation that we always suggest over AlgaeCal as it provides more benefits to your bones.

    To answer your question, AlgaeCal Plus includes our raw AlgaeCal powder, with the added vitamin D, K, C, boron, and magnesium, whereas AlgaeCal only has our raw AlgaeCal powder with the added vitamin D.

    Our human clinical studies showed that when taking AlgaeCal Plus and Strontium Boost together, they saw about 3% increase in BMD per year! AlgaeCal formulation is recommended for those who cannot take vitamin K2 content in AlgaeCal Plus for any reason. I hope this helps! If you have any additional questions, please give us a call at 1-800-820-0184 (US & Canada Toll-free) or email [email protected] for more information! 🙂

    – Yoori

  13. Mariela

    April 6, 2024 , 11:39 am

    Does AlgaeCal Plus contain all the minerals listed above? If yes, could you list the amounts please? I would like to make sure I´m not taking too much with my other supplements.

    I would appreciate it very much.
    Sincerely
    Mariela

  14. Dotty Forrest

    April 6, 2024 , 1:43 pm

    I’ve been taking AlgaeCal for a couple of years now and am I happy I did because I fell down 5 flights of stairs and didn’t break a bone in my body! Thank you AlgaeCal 😊 Dotty

  15. Laura Visco

    April 7, 2024 , 11:25 am

    I am an 83 year old woman diagnosed with osteopenia in my spine and osteoporosis in my femur two years ago. I have been taking algae-cal plus for 2 years. Last week I had a dexascan which showed a 5.7% increase in bone mineral density in my spine and 2.1% increase in bone mineral density in femur. I am thrilled! Thank you Algae Cal!! My daughter told me about Algae Cal so I thank her too

  16. Yoori AlgaeCal

    April 7, 2024 , 4:10 pm

    That’s incredible news, Laura! Congratulations! We are SO happy for you :). Keep up the great work, and please continue to keep us updated on your progress!

    – Yoori

  17. Ruth

    April 8, 2024 , 10:20 am

    I am 77 yrs old and have a heart condition, and I have read that Strontium causes blood clots. I take a blood thinner. But the blood clots really worry me. Do you have a product that doesn’t have Strontium in it?
    I have severe osteoporosis, and have had thyroid and parathyroid surgery. Have had one bone injection last December. Will not take another.
    Looking for something to help build my bones. Right now I am taking a calcium tablet 600mg 2X a day.

  18. Yoori AlgaeCal

    April 8, 2024 , 2:41 pm

    Thank you for sharing your concern, Ruth! Did you know that there are different forms of strontium? Often times, the misconceptions about strontium can arise because of the drug and radioactive forms of strontium. Strontium Ranelate is the prescription drug version, which is strontium bound with man made ranelic acid. This form of strontium has certainly seen negative side effects associated with its use. For this reason, Strontium Ranelate is not approved in North America and in most countries in Europe.

    Rest assured, our AlgaeCal includes a trace amount of naturally occurring strontium, just like how most cereals, grains, and seafood does! Additionally, the form of strontium we use in our Strontium Boost is strontium citrate, which is also natural, and has been shown in clinical research to improve bone health – without adverse side effects! For more information, visit our website HERE.

    Ruth, we are sorry to hear that you have bone loss. If you’re interested in a safe and natural approach to increasing your bone density, AlgaeCal is the only calcium supplement that is clinically supported to do so!
    To learn more about AlgaeCal and get started on your bone-health journey, please click HERE. I hope this helps! 🙂 Please let us know if you have any further questions or concerns. We are happy to help.

    – Yoori

  19. Janice Beyer

    April 9, 2024 , 12:45 pm

    I am 83 years old and my back is giving signals that it weak. I have been wrapping a support around my lower back to reduce the pain.
    I will need to order the best supplement to help with the condition. Can you direct me to the best products for me to purchase.

  20. Yoori AlgaeCal

    April 9, 2024 , 2:59 pm

    Thank you for reaching out, Janice, and we are sorry to hear that you’re experiencing pain.

    Janice, AlgaeCal has been studied specifically for improving bone mineral density and not back pain. We recommend checking in with your doctor to see if AlgaeCal is right for you at this time. We have an excellent information sheet you can share with your doctor HERE.

    You may benefit from taking our Triple Power Fish Oil HERE – this potent combination of omega-3s, turmeric, and astaxanthin helps to target oxidative stress, and many of our community members have mentioned that this product helped alleviate their pain. I hope this helps!

    – Yoori

  21. Barbara Hart

    April 10, 2024 , 8:48 am

    Should I continue to take AlgaeCal plus while I’m taking 10mg prednisone for severe knee pain?

  22. Manja AlgaeCal

    April 10, 2024 , 1:05 pm

    Thank you for reaching out, Barbara! I’m sorry to hear about your severe knee pain. Regarding your medication, I want to assure you that we’re not aware of any interactions between AlgaeCal Plus and Prednisone. However, it’s always advisable to confirm this with a healthcare professional, as individual circumstances may vary.
    If there’s anything else we can support you with along your bone health journey, please don’t hesitate to reach out!
    – Manja

  23. Susan Castro

    April 28, 2024 , 7:05 am

    I would love to see a chart with the optimal ratios and combinations of minerals.

  24. Yoori AlgaeCal

    April 29, 2024 , 2:40 pm

    Thank you for sharing this feedback, Susan! While we do not have this chart available, I’d be happy to share this with our team for consideration :). The good news is that our AlgaeCal Plus naturally contains all 13 bone essential minerals along with the added 3 vitamins, and it is the only calcium supplement clinically supported to increase bone density! If you have any follow-up questions, please give us a call at 1-800-820-0184 (US & Canada Toll-free) or email [email protected]. Any of our Bone Health Consultants would be more than happy to help!

    – Yoori

  25. Deina Duval

    May 14, 2024 , 8:11 pm

    Curious to know why AlgaeCal only has 50mcg of K2 when the above says women should get a minimum of 90. There are no particular food recommendations to make up the difference.
    Thanks for your response.

  26. Manja AlgaeCal

    May 15, 2024 , 8:10 am

    Thanks for your question, Deina! AlgaeCal Plus contains 50mcg of vitamin K2 per serving of 2 capsules, meaning a daily serving of 4 capsules provides 100mcg of vitamin K2 in MK7 form. If you’re interested in learning more about food sources of vitamin K2, I recommend checking out our article “Vitamin K2 Benefits, Food Sources, and More!” Feel free to reach out if you have any further questions!
    – Manja

  27. Andrea Patron

    May 25, 2024 , 5:42 am

    valuable information for holistic approach to enhancing positive results

  28. Yoori AlgaeCal

    May 26, 2024 , 2:26 pm

    We’re so glad you found it valuable, Andrea!
    – Yoori

This article features advice from our industry experts to give you the best possible info through cutting-edge research.

Lara Pizzorno
MDiv, MA, LMT - Best-selling author of Healthy Bones Healthy You! and Your Bones; Editor of Longevity Medicine Review, and Senior Medical Editor for Integrative Medicine Advisors.,
Dr. Liz Lipski
PhD, CNS, FACN, IFMP, BCHN, LDN - Professor and Director of Academic Development, Nutrition programs in Clinical Nutrition at Maryland University of Integrative Health.,
Dr. Loren Fishman
MD, B.Phil.,(oxon.) - Medical Director of Manhattan Physical Medicine & Rehabilitation and Founder of the Yoga Injury Prevention Website.,
Prof. Didier Hans
PHD, MBA - Head of Research & Development Center of Bone Diseases, Lausanne University Hospital CHUV, Switzerland,