Calcium, vitamin D, vitamin K2, and magnesium supplementation and skeletal health.
Level 5 - mechanism / opinion, no new human data
Narrative review of literature without systematic search or meta-analytic pooling
PubMed 32972636 · doi:10.1016/j.maturitas.2020.05.020
What was done
This narrative review synthesized recent published data evaluating the effects of calcium, vitamin D, vitamin K2, and magnesium supplementation on age-related bone and muscle loss.
What was found
The abstract reports no numerical data, effect sizes, or statistical metrics. Qualitatively, it states that calcium supplementation alone is not recommended for fracture prevention across the general postmenopausal population, though tailored supplementation may benefit patients with inadequate dietary intake or absorption. Vitamin D is described as essential for individuals with deficiency or elevated fracture risk. For vitamin K2 and magnesium, the abstract notes biological plausibility and potential benefits for bone quality and muscle health, but concludes that current evidence on their clinical efficacy for bone health remains inconclusive.
Why it matters
The review reinforces that bone-targeted micronutrient supplementation should be customized to specific patient risk factors and nutritional deficiencies rather than broadly prescribed, highlighting that data for vitamin K2 and magnesium are not yet robust enough to establish clear clinical efficacy.
Limits
The paper is a narrative review with no systematic search methodology, risk of bias evaluation, or quantitative pooling. The abstract does not provide sample sizes, study counts, dosages, treatment durations, or specific outcome measures.
Cited by
- context By the time a person reaches older age, approximately 50% of the magnesium stored in their bones has been depleted.