What is the recommended dosage for Vitamin D?

General: 600-800 IU/day; Weight Management: 2,000-4,000 IU/day (targeting 25(OH)D >30 ng/mL); Deficiency Correction: 5,000-10,000 IU/day for 8-12 weeks under medical supervision

What are the side effects of Vitamin D?

Potential side effects include: Hypercalcemia (at very high doses), Nausea, Kidney stones (at excessive doses).

What is vitamin D and how may it relate to weight management?

Vitamin D is a fat-soluble vitamin essential for calcium absorption and immune function. Observational studies have linked low vitamin D levels with higher body mass index. Some clinical trials suggest that correcting vitamin D deficiency may modestly support weight management efforts, though evidence is not conclusive.

What dosage of vitamin D has been studied for weight management?

Clinical trials have used 1,000–4,000 IU of vitamin D3 per day for weight-related outcomes. The Recommended Dietary Allowance is 600–800 IU daily, though many researchers suggest higher intakes. Dosing should ideally be guided by blood level testing (25-hydroxyvitamin D).

What are the potential side effects of vitamin D supplements?

Vitamin D is generally safe at recommended doses. Excessive intake (above 10,000 IU daily over extended periods) can lead to hypercalcemia, causing nausea, weakness, and kidney damage. Vitamin D3 is preferred over D2 for supplementation due to better bioavailability.

Vitamin D
Vitamin D

hormonal

También conocido como: Cholecalciferol (D3), Ergocalciferol (D2), Calciferol

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About

A fat-soluble vitamin with receptors in adipose tissue, skeletal muscle, and the pancreas. Mendelian randomization studies confirm a causal association between low vitamin D levels and higher BMI, and meta-analyses support supplementation for metabolic health in deficient individuals.

How It Works

Vitamin D receptors are expressed in adipose tissue, skeletal muscle, and the pancreas. Adequate vitamin D status supports insulin sensitivity, leptin signaling, and calcium-mediated fat oxidation. Deficiency (25(OH)D <20 ng/mL) is independently associated with obesity, insulin resistance, and increased visceral fat — potentially through impaired adipocyte differentiation and increased parathyroid hormone (PTH).

Evidence For Conditions

Condición	Calificación	Estudios	Participantes
PCOS-Related Weight Management	B	12	800	Ver →
Obesity	B	11	947	Ver →
Menopause-Related Weight Gain	C	6	500	Ver →

Side Effects

Hypercalcemia (at very high doses)
Nausea
Kidney stones (at excessive doses)

Drug & Supplement Interactions

Statins (may increase statin levels)
Thiazide diuretics (increased calcium risk)
Corticosteroids (impair vitamin D metabolism)
Orlistat (reduced absorption)

Informe siempre a su profesional de salud sobre todos los suplementos que toma.Siempre informe a su profesional de salud sobre todos los suplementos que toma.

Related Ingredients

Ashwagandha Maca DHEA

Datos rápidos

Dosificación: General: 600-800 IU/day; Weight_Management: 2,000-4,000 IU/day (targeting 25(OH)D >30 ng/mL); Deficiency_Correction: 5,000-10,000 IU/day for 8-12 weeks under medical supervision
Formas: capsule softgel liquid drops tablet gummy
Fuentes naturales: Sunlight, Fatty fish (salmon, mackerel), Egg yolks, Fortified milk, Mushrooms (UV-exposed)
Límite superior: 4,000 IU/day (100 mcg); higher doses under medical supervision
Mejor momento: With a meal containing fat for absorption; morning preferred

Resumen de evidencia

PCOS-Related Weight Management B

Obesity B

Menopause-Related Weight Gain C

Aviso legal FDA: Estas declaraciones no han sido evaluadas por la Food and Drug Administration. Los productos y la información en este sitio web no están destinados a diagnosticar, tratar, curar ni prevenir ninguna enfermedad. Las calificaciones de evidencia presentadas se basan en nuestro análisis de investigación publicada revisada por pares y no constituyen consejo médico. Siempre consulte a su profesional de salud antes de comenzar cualquier régimen de suplementos.