Trial reportNutrients2023
The Effect of Vitamin D Supplementation in Pregnant Women with Overweight and Obesity: A Randomised Controlled Trial.
Trial report in Nutrients, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 3 of them syntheses that pooled 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.
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.
Who cites it
15 citing papers in PubMed, 3 syntheses or guidelines pooled it, 14 citations in OpenAlex.
- Comparative effectiveness of statins, metformin, and vitamin D, for prevention of preeclampsia: a systematic review and network meta-analysis of randomized trials.BMC pregnancy and childbirth · 2026Pooled it
- Pooled it
- Efficacy of vitamin D supplementation on the incidence of preeclampsia: a systematic review and meta-analysis.BMC pregnancy and childbirth · 2024Pooled it
- Vitamin D supplementation for cardiometabolic risk markers in pregnant women based on the gestational diabetes mellitus or obesity status : a randomized clinical trial.European journal of nutrition · 2024Trial
- Association between metal co-exposure and frailty: exploring the potential explanatory pathway of inflammation.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2026Article
- Tofogliflozin alters amino acid metabolism in gut microbiota linked to hepatic transcriptomic signatures in MASLD.Journal of gastroenterology · 2026Article
- [Protein intake and preservation of function in old age : Current evidence and present research gaps].Zeitschrift fur Gerontologie und Geriatrie · 2026Review
- Vitamin B3 rescues mitochondrial homeostasis in dexamethasone-induced skeletal muscle atrophy by reducing oxidative stress.Journal of bioenergetics and biomembranes · 2026Article
- Maternal Vitamin D Deficiency and Its Effects on Pregnancy Outcomes.Food science & nutrition · 2026Article
- Vitamin D and Chronic Disorders: A Review of Metabolic and Cardiovascular Diseases.Pharmaceuticals (Basel, Switzerland) · 2025Review
- Article
- Review
- Ovarian reserve modulates the impact of vitamin D deficiency on assisted reproductive outcomes in patients undergoing controlled ovarian hyperstimulation.Frontiers in nutrition · 2024Article
- Vitamin D concentration in the blood of women with twin pregnancies and in the umbilical cord blood of newborns in relation to environmental factors.Frontiers in nutrition · 2024Article
- Shedding light on gestational loss: The role of Vitamin D 25(OH)D deficiency in miscarriage - A systematic review and meta-analysis.Tzu chi medical journalArticle
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors at 3 institutions in 1 country.
Funding
Abstract
The impact of vitamin D supplementation on 25-hydroxyvitamin D (25OHD) levels, metabolic status, and pregnancy outcomes in pregnant women with overweight and obesity (OW/OB) is uncertain. This study aimed to examine whether administrating 800 IU of vitamin D3 orally would improve maternal serum 25OHD levels, lipid profile, and pregnancy outcomes compared to 400 IU. This was a two-arm, parallel, non-blinded randomised controlled trial involving 274 pregnant women recruited from KK Women's and Children's Hospital, with a body mass index of ≥25 kg/m
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Registered trials
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 Socratic graph.