Vitamin D pour Obesity
B Preuves Au moins un essai randomisé le soutient, avec des résultats globalement concordants.Meta-analysis of 11 RCTs (n=947) found significant BMI reduction in deficient overweight/obese individuals. Mendelian randomization study (n=42,024) confirms causal association between low vitamin D and higher BMI. Correction of deficiency appears critical for benefits.
En conclusion
Meta-analysis of 11 RCTs (n=947) found significant BMI reduction in deficient overweight/obese individuals. Mendelian randomization study (n=42,024) confirms causal association between low vitamin D and higher BMI. Correction of deficiency appears critical for benefits.
Key Study Findings
Population: Severely obese adults undergoing bariatric surgery
Population: None
Population: Older adults with sarcopenia (review)
Population: Scoping review: nutritional status and COVID-19 vaccine
Key Statistics
11
Études
947
Participants
Positive
Note
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Posologies couramment utilisées
- general:
- 600-800 IU/day
- weightmanagement:
- 2,000-4,000 IU/day (targeting 25(OH)D >30 ng/mL)
- deficiencycorrection:
- 5,000-10,000 IU/day for 8-12 weeks under medical supervision
Limite supérieure : 4,000 IU/day (100 mcg); higher doses under medical supervision
Posologies étudiées dans la recherche
| Posologie | Durée | Effet | N |
|---|---|---|---|
| None | 520 weeks | Positive | 240 |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Mixed | -- |
| None | -- | Mixed | 312935 |
| None | -- | Neutral | 138 |
| None | -- | Positive | -- |
Moment optimal de prise : With a meal containing fat for absorption; morning preferred
Safety & Side Effects
Effets indésirables signalés
- ⚠ Hypercalcemia (at very high doses)
- ⚠ Nausea
- ⚠ Kidney stones (at excessive doses)
Interactions connues
- ● Statins (may increase statin levels)
- ● Thiazide diuretics (increased calcium risk)
- ● Corticosteroids (impair vitamin D metabolism)
- ● Orlistat (reduced absorption)
Apport maximal tolérable : 4,000 IU/day (100 mcg); higher doses under medical supervision
Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.
Frequently Asked Questions
Does Vitamin D help with Obesity?
How much Vitamin D should I take for Obesity?
Are there side effects of Vitamin D?
How strong is the evidence for Vitamin D and Obesity?
Related Evidence
Autres ingrédients pour Obesity
Vitamin D pour d'autres pathologies
References
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