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Zahler BoneFactor contains food-based calcium along with other minerals and nutrients to promote calcium absorption and bone health.

  • Plant-based calcium supplement
  • Elemental bone strength formula
  • Maintains bone health and density
  • Contains Calcium, Vitamin K, Magnesium, Vitamin D3 and more
Gluten free
Dairy Free
Soy Free
Regular price $32.47
Regular price Sale price $32.47
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Buy it with:

Advanced science in each and every bottle

Using only the purest natural ingredients

Manufactured to the highest standards

Kosher through & through


  • Plant-based calcium supplement
  • Elemental bone strength formula
  • Maintains bone health and density
  • Contains Calcium, Vitamin K, Magnesium, Vitamin D3 and more

BoneFactor is a synergistic nutritional blend of advanced calcium sourced from Aquamin - which is algae derived. BoneFactor also includes Strontium, Magnesium, Vitamin K and other elemental nutrients. It has been formulated expressly to help maintain bone health and to preserve bone mass and density.

What does BoneFactor target?
As a person ages, the rate of new bone cell growth slows down, but the rate of deterioration of bone cells will stay the same or accelerate slightly. That means that at a certain point in life, one's bones are steadily decreasing in density and becoming thinner. Besides for containing Aquamin, an advanced source of Calcium, Zahler's BoneFactor also includes elements such as Strontium and Silica, elements that help the bones continue to grow and become stronger.

Ingredient Studies

Read more about the unique, hand-picked ingredients we included in this formula.

Supplement facts

What’s inside


“Drink your milk!” Remember that important directive? As children, we were often exhorted to ‘drink up’ and eat calcium-rich foods to promote and ensure bone health. The truth is that this is important for adults too. The reason we encourage children to be mindful of calcium intake and supplement when necessary is because peak bone mass occurs at age 20 and then levels off. Adequate calcium and calcium absorption are imperative for bone health.

After age 30, most people gradually begin to lose bone strength and density. As a person ages, it is critical to supplement with calcium and bone-building elements. BoneFactor is a nutritional blend of advanced calcium, strontium, magnesium, vitamin K2 and other elemental nutrients. This combination has been formulated expressly to help maintain bone health and to preserve bone mass and density. Those seeking to strengthen their teeth can also greatly benefit from BoneFactor.

A body is more than just a sack of random bones and muscles. Each bone cell is created to serve a specific purpose and help a person achieve his life’s goals. By imbibing proper nutrition and supplementing as necessary, your bones can stay healthy and strong well into the golden years. BoneFactor, the elemental bone strength formula from Advanced Nutrition by Zahler, is formulated to help you attain strength, retain density, and maintain an active life.

Is BoneFactor right for me?
BoneFactor is not just for the elderly or people at risk for osteopathic problems. It is recommended that every person past age 20 supplement with a bioactive form of calcium and the other nutrients necessary for its absorption. Still, BoneFactor becomes more important as a person ages. People suffering from osteoarthritis or osteoporosis can derive particular benefit from this supplement. BoneFactor is also an important supplement when a person experiences a broken or fractured bone or undergoes surgery involving the skeletal system. If a child, teen or adult is prone to broken bones, they should be sure to take BoneFactor regularly in the hope of avoiding such a situation or, at the very least, to speed up the recovery process.

The calcium in BoneFactor is sourced from Aquamin, which is a unique, multi-mineral marine complex that contains bioactive calcium, magnesium, and 72 trace minerals. Aquamin is produced from Lithothamnion, a rare red seaweed found in the North Atlantic Ocean, and it can help build stronger bones, improve bone density and prevent bone loss. It can also help reduce inflammation common with arthritis and improve overall joint health.

In order for calcium to be absorbed by the body it must be taken with vitamin D, vitamin K2, and magnesium. The careful balance in BoneFactor is designed to achieve maximum absorption by using additional nutritional ingredients to help boost the performance of the calcium. BoneFactor is a synergistic formula, meaning that each ingredient and element in the supplement is included to boost the efficacy of every other ingredient. The balance of vitamins and minerals in BoneFactor is the secret to its success.

Bamboo Stem/Shoot
Lithothamnion spp Marine Algae



Customer Reviews

Based on 62 reviews
Tova Chansky
All good accept the Iron

All the products are good accept the Iron. I had a terrible blockage after taking it. It went to the trash.

Noo Ahn
Best Support

I really feel a difference when I take it. When I stop or take a break, I get my cramps in my legs back.

C. Gold

I'm 71 and am taking the BoneFactor for the past 4 years. The doctor said I'm doing great now and I should continue. Thank you for helping me stay young.


This helps strengthen me and I feel better than ever. They are big pills, but it's well worth it.

Great Calcium

High quality ingredients with food-based calcium (this gets absorbed best)

Please note: We do our best to ensure the accuracy of the product images and information. That being said, since we are constantly upgrading our formulas, the product you receive may differ from what is shown on our website. Please read the label, warnings and directions of the product you receive and don’t rely solely on the details provided by our website.

What’s in a bottle

Every proprietary Zahler formula is exactly the same:
its efficacy stems purely from Mother Nature

Our Formula
Our Formula

Zahler delivers on nature’s promise by harvesting its many natural resources, opting for 100% pure, authentic, strictly Kosher ingredients

Accountable Alternatives

Focusing on underlying deficiencies as opposed to superficial symptoms, our formulas offer a healthy, effective path toward comprehensive wellbeing

Scientific Support

Our life-giving supplements are the product of hard data, backed by published research and clinical trials from the industry's most trusted sources