Evidence supporting the use of: Lithothamnion (unspecified)
For the body system: Skeletal System (Bones)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Lithothamnion is a genus of red marine algae that accumulates high levels of bioavailable minerals, most notably calcium and magnesium, as it grows. It is often processed into a natural mineral supplement sometimes called “calcified seaweed” or “red algae calcium.” The primary rationale for its use in supporting the skeletal system and bone health is its mineral content, particularly calcium, which is a critical component for bone structure and maintenance.

There is moderate scientific evidence supporting Lithothamnion’s benefits for bone health. Several preclinical animal studies have demonstrated that supplementation with Lithothamnion-derived minerals can improve bone mineral density and bone strength, likely due to its high calcium and magnesium content along with trace elements such as strontium and zinc. Small-scale clinical studies in humans have shown Lithothamnion supplements are well-absorbed and may help maintain bone density, particularly in menopausal women at risk for osteoporosis. However, most human studies are limited in sample size and duration, and more robust, large-scale trials are needed for conclusive evidence.

Overall, Lithothamnion is used in bone health supplements due to its natural multi-mineral composition and bioavailability. Its efficacy is based primarily on its mineral content and the established importance of these minerals for bone health, rather than any unique biological activity of the algae itself. The evidence base is promising but not definitive, justifying a moderate evidence rating.

More about Lithothamnion (unspecified)
More about Skeletal System (Bones)

Other body systems supported by Lithothamnion (unspecified)

Digestive System
Gastrointestinal Tract
Intestinal System
Joints
Skeletal System (Bones)
Teeth

Products containing Lithothamnion (unspecified)

We currently have no products on Caring Sunshine that contain this ingredient.