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The vitamin D and calcium controversy: an update.

Current opinion in rheumatology
March 1, 2019
Joshua R Lewis et al. (3 authors)
Journal ArticleResearch Support, Non-U.S. Gov'tReviewHuman Study
Study Details

Study Goal

The researchers aimed to evaluate the effectiveness and safety of calcium and vitamin D supplementation for preventing falls and fractures, particularly in the elderly, and to assess potential adverse cardiovascular effects.

Results Summary

The study found that holistic calcium and vitamin D supplementation is unlikely to effectively prevent falls or fractures, and high-dose vitamin D may have adverse musculoskeletal effects. The cardiovascular safety of calcium supplements remains uncertain.

Population

Elderly individuals with inadequate calcium intake and vitamin D levels.

Effective Dosage

Not specified

Duration

Not specified

Interactions

None mentioned

Extracted Claims (8)
InterventionDirectionEndpointPopulationDosageImpactClaim #
Calcium and vitamin D supplementation
decrease
falls and fracture
the elderly
-
widely recommended for prevention
#1
untargeted or 'holistic' supplementation
no change
falls and fracture
-
-
questioned the benefits
#2
untargeted or 'holistic' supplementation
increase
cardiovascular effects
-
-
raised the possibility of adverse effects
#3
holistic vitamin D supplementation with or without calcium
no change
falls or fracture
-
-
unlikely to be an effective primary prevention strategy
#4
vitamin D, daily or as a bolus
no change
cardiovascular events
-
-
does not reduce the risk
#5
vitamin D and calcium supplements
no change
holistic fall and fracture prevention
-
-
benefits remain uncertain
#6
high-dose vitamin D
increase
musculoskeletal effects
-
-
has adverse musculoskeletal effects
#7
calcium supplements with or without vitamin D
increase
cardiovascular effects
-
-
inconsistent findings for adverse effects
#8
Abstract

PURPOSE OF REVIEW: Calcium and vitamin D supplementation is widely recommended for prevention of falls and fracture, particularly in the elderly where calcium intakes and vitamin D levels are often inadequate. A number of meta-analyses have questioned the benefits of untargeted or 'holistic' supplementation for falls and fracture, and raised the possibility of adverse cardiovascular effects. This review provides an update on these controversies. RECENT FINDINGS: Recent advances have largely centred around new trials of vitamin D and meta-analyses of published trials and observational studies. These articles have identified holistic vitamin D supplementation with or without calcium is unlikely to be an effective primary prevention strategy for falls or fracture. There has also been high-quality evidence that vitamin D, daily or as a bolus, does not reduce the risk of cardiovascular events. SUMMARY: The benefits of vitamin D and calcium supplements for holistic fall and fracture prevention remain uncertain. Recent evidence supports the concept that high-dose vitamin D has adverse musculoskeletal effects. Future studies should focus on moderate daily doses. Finally, there remain inconsistent findings for adverse cardiovascular effects of calcium supplements with or without vitamin D. This uncertainty should be taken into account when evaluating the risk/benefits of supplementation.

Medical Subject Headings (MeSH)
Accidental FallsCalcium, DietaryDietary SupplementsFractures, BoneHumansVitamin DVitamins
Study Links
Quality Scores
Safety60
Efficacy30/10
Quality80/10
Citation Metrics
Total Citations9
Citations/Year1.5
Relative Citation Ratio0.59
NIH Percentile31.7%
Research Impact Scores
APT Score0.75
Weight Score2.14
Normalized Score0.52
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