Our Red Marine Algae grows wild along the coast of Iceland where it is allowed to mature naturally, then is sustainably harvested from its marine habitat. Young, living plants are left untouched, preserving the coastal ecosystem.
Filters
3 products
From living plants, not rocks
The plant-based calcium in Bone Strength Take Care ™ is sourced from Red Marine Algae (Lithothamnion) sustainably harvested from along the pristine Icelandic coastline. Many calcium supplements are not from plant sources of calcium, but from limestone rock that lacks many other bone-supportive nutrients. Our clinically studied Bone Strength Take Care delivers whole-food Calcium, Magnesium and 70 important trace minerals.* We add a proprietary blend of Vitamins K2 & D3 to ensure the body absorbs Calcium properly and effectively.
From living plants, not rocks
We know our source
Our mission every day is to deliver the quality you expect—including responsibly sourced, Non-GMO Project Verified, whole-food Calcium. Knowing our suppliers and the origins of their plants helps us uphold a supply chain that is both socially responsible and environmentally conscious. Our certified organic Red Marine Algae supplement has no limestone, no pesticides, and no animal bone. Just pure, plant ingredients that deliver bone-strengthening calcium your body can recognize as food..
We know our source
SUSTAINABLY HARVESTED, PERIOD.
† Adequate calcium throughout life, as part of a well-balanced diet, may reduce the risk of osteoporosis.
†† Frestedt et al., Nutr J. 2008 Feb 17;7:9.
‡ Aslam et al., Can Prev Res (Phila). 2020 Jan;13(1):101-116. Crowley et al., Mar Drugs. 2018; 16:216.
Plant Based Calcium Supplements FAQ
What makes plant based calcium supplements different from traditional calcium?
What makes plant based calcium supplements different from traditional calcium?
Plant based calcium supplements are derived from whole food sources like plants, rather than rocks or limestone. This means they often include additional trace minerals that support bone health.* For example, a plant calcium supplement sourced from algae provides a natural matrix of minerals that look surprisingly like the matrix of human bone!
Are plant based calcium supplements a good choice for bone strength?
Are plant based calcium supplements a good choice for bone strength?
Yes, plant based calcium supplements are an excellent choice for supporting bone strength.* They deliver calcium found in plants alongside other bone-supportive nutrients , which can help your body utilize calcium more effectively.* A slim tablet plant calcium supplement is a convenient option for daily bone support.*
Which form of calcium is best for women under 40?
Which form of calcium is best for women under 40?
A plant based calcium supplement for women under 40 can help maintain strong bones as part of a healthy lifestyle.* These formulas often include plant-sourced calcium and may be tailored to the unique needs of younger women.*
Blog posts

How to Choose the Best Multivitamin for Kids: Gummies vs. Liquids
Being a parent is quite the journey. Sometimes just getting through dinnertime feels like a major accomplishment! And between picky eating, dietary restrictions, and just being busy, it’s hard to b...

Prenatal Vitamins vs. Multivitamins: Key Differences & Why It Matters
“Take your vitamins,” they say. And for good reason! Vitamins and minerals are essential for maintaining overall health. These microscopic compounds occur naturally in food and help our bodies with...

Astaxanthin Supplements: Health Benefits & Trends
In the ever-evolving world of skincare, astaxanthin is gaining recognition for its ability to support skin health from the inside out. From serums to supplements, astaxanthin is being hailed as a s...








