Evidence map›Paper›PMID 39940277›Full record

Trial reportNutrients2025

Effects of a Novel Dispersible Supplement Containing 2500 IU of Vitamin D and 1000 µg of B12 in Restoring Vitamin D and B12 Insufficiency: A Multicenter, Randomized Controlled Trial.

Nikolaos Angelopoulos, Rodis D Paparodis, Ioannis Androulakis, Anastasios Boniakos, Sarantis Livadas

Abstract readMulticenter StudyRandomized Controlled Trial
In one paragraph

Trial report in Nutrients, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Nikolaos AngelopoulosHellenic Endocrine Network, Ermou 6 Str., 10563 Athens, Greece.ORCID 0000-0002-8901-7161
Rodis D PaparodisHellenic Endocrine Network, Ermou 6 Str., 10563 Athens, Greece.ORCID 0000-0003-2804-0859
Ioannis AndroulakisHellenic Endocrine Network, Ermou 6 Str., 10563 Athens, Greece.
Anastasios BoniakosHellenic Endocrine Network, Ermou 6 Str., 10563 Athens, Greece.ORCID 0000-0001-5384-722X
Sarantis LivadasHellenic Endocrine Network, Ermou 6 Str., 10563 Athens, Greece.

Funding

Geoplan Neutraceuticals, Athens, Greece GN012024
6 · The paper itself

Abstract

BACKGROUND/

objectivesVitamins D and B12 play a crucial role in maintaining bone health, immune function, and neurological integrity. Combined deficiencies in these vitamins can lead to severe health consequences. Current treatment approaches, such as dietary changes and single-vitamin supplementation, often fail to address these deficiencies comprehensively. This study evaluates the effectiveness of concurrent vitamin D and B12 supplementation to correct these insufficiencies.

methodsA prospective, multicenter, randomized controlled trial was conducted in Greece from October 2024 to December 2024. Participants aged 20 to 80 years, with insufficient levels of 25-hydroxyvitamin D (serum < 20 ng/mL) and B12 (serum < 250 ng/L), were eligible for inclusion.

resultsA total of 124 patients were randomized into three groups: one receiving vitamins B12 and D in a single supplement (2500 IU + 1000 mcg), one receiving separate doses of each vitamin (2000 IU + 1000 mcg), and a control group receiving no supplementation. The results demonstrated a significant increase in B12 and 25-hydroxyvitamin D levels among the supplemented groups. Particularly, participants in the combined supplementation group showed higher average serum levels of both vitamins. By the end of this study, 37.1% of those in the combined supplement group achieved adequate vitamin levels, compared to 29.4% in the separate supplementation group.

conclusionsIn conclusion, combined supplementation may improve patient adherence and compliance, leading to better health outcomes for individuals with combined vitamins D and B12 deficiencies.

Indexed as

Dietary SupplementsVitamin B 12Vitamin B 12 DeficiencyVitamin DVitamin D DeficiencyAdultAgedAged, 80 and overFemaleGreeceHumansMaleMiddle AgedProspective StudiesTreatment OutcomeYoung Adult25-hydroxyvitamin DVitamin B 12Vitamin Dsupplementvitamin B12vitamin Dvitamin insufficiency

Identifiers

PMID39940277
PMCPMC11820859

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.