Vitamin K2 MK-4
supplementMenaquinone-4, animal-derived with shorter half-life. Requires multiple daily doses. Used in Japanese bone health studies.
Reported Benefits
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Low-dose vitamin K2 (MK-4) supplementation for 12 months improves bone metabolism and prevents forearm bone loss in postmenopausal Japanese women.
Not specified in source
MK-4 supplementation maintains strong bones and reduces fracture risk in postmenopausal women
Cockayne et al.
MK-4 bone density and fracture reduction in postmenopausal women
Not specified in source
The efficacy of the traditional Chinese medicine Jia Wei Niu Bang Zi granule combined with methotrexate in treating active rheumatoid arthritis: A multicenter, randomized, double-blinded controlled clinical trial.
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No side effects tracked yet
No side effects have been reported by studies or users for this habit yet.
Research (4 studies)
The efficacy of the traditional Chinese medicine Jia Wei Niu Bang Zi granule combined with methotrexate in treating active rheumatoid arthritis: A multicenter, randomized, double-blinded controlled clinical trial.
Not specified in source
MK-4 bone density and fracture reduction in postmenopausal women
Not specified in source
MK-4 supplementation maintains strong bones and reduces fracture risk in postmenopausal women
Cockayne et al.
Low-dose vitamin K2 (MK-4) supplementation for 12 months improves bone metabolism and prevents forearm bone loss in postmenopausal Japanese women.
Not specified in source
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