Complete bone health matrix — Calcium + K2 activation + nine supporting minerals.
OsteoBooster delivers 266mg of bioavailable calcium alongside the full cofactor spectrum required for optimal bone mineralisation and cardiovascular health. Vitamin K2 (MK7) activates osteocalcin and matrix Gla protein, directing calcium to skeletal tissue rather than soft tissues. Completed by magnesium, zinc, boron, manganese, copper and vitamin C for collagen synthesis and mineral matrix integrity.
Why This Formula
✔ 266mg elemental calcium — bioavailable form, synergistic with K2 for proper utilisation
✔ Vitamin K2 (MK7) activated — ensures calcium deposition in bone, not arteries
✔ Vitamin D3 + Magnesium — critical cofactors for calcium absorption and homoeostasis
✔ Zinc + Manganese + Copper — bone-specific trace minerals supporting collagen crosslinking
✔ Boron + Vitamin C — additional mineralisation and connective tissue support
Who It's For
Anyone over 35 concerned with bone density or cardiovascular calcium deposition. Particularly valuable for women at menopause, athletes and active individuals prone to repetitive stress, and those with dietary calcium restrictions.
The xSpan Labs Standard
Small-batch manufactured in the UK to GMP and ISO 9001 standards. No unnecessary fillers, no artificial colours, no inflated marketing — just premium-grade ingredients in their most effective forms. Every batch is tested for purity and potency.
Reviews
I have used this brand before with no problems and will continue to do so. Excellent value for money for what you are getting here at 45 days worth. All necessary items for good health and I decided to try being an older woman. The calcium and vitamin d were therefore essential for me. A decent size but not hard to swallow. I think you just get used to it.
This is brilliant! All woman should take these early on to help when you are older to prevent bone issues. I love this brand as it combines all the extra vitamins you need along with calcium to absorb well. 90 tablets makes this excellent value for money and they are easy to swallow. I like taking them at night.
This is brilliant! All women should take these early on to help when you are older to prevent bone loss. I love this brand as it combines all the extra vitamins you need along with calcium to absorb well and look after your bone health. 90 tablets makes this excellent value for money.
In these Covid times, these capsules fit the bill when it comes to protecting ones health. They're packed with vitamins and minerals and they come in a handy flat plastic bottle which is good for storage. The capsules are quite big. Would recommend for anyone over 50.
These are the only Cal-mag tablets my daughter can keep down because they do not contain Magnesium Stearate. Very pleased with the results.