Vitashine Vitamin D3

Also known as: cholecalciferol, ergocalciferol, vitamin d3, vitamin d2, d3

Fat-soluble vitamin produced in skin upon sun exposure. Critical for calcium absorption, bone health, immune function, and mood regulation. Widespread deficiency globally.

600IURDARecommended Dietary Allowance — the daily intake sufficient for 97-98% of healthy adults. Set by the National Institutes of Health.

4000IUUpper LimitTolerable Upper Intake Level (UL) — the maximum daily dose unlikely to cause adverse health effects. Exceeding this consistently may increase toxicity risk.

2ProductsNumber of supplements in our database that contain this ingredient.

3Health ClaimsNumber of researched health benefits associated with this ingredient, rated by evidence strength (strong/moderate/weak).

3Side EffectsNumber of documented side effects from clinical literature and adverse event reports.

Health Claims & Evidence

strongSupports bone health

Essential for calcium absorption. Deficiency leads to rickets in children and osteomalacia in adults — a well-established causal relationship.

825 studies on PubMed

Related studies:Automatically retrieved from PubMed based on keyword matching. Some may not directly address the specific claim above.Vitamin D deficiency: a worldwide problem with health consequences.Am J Clin Nutr (2008) · PMID 18400738 The Importance of Vitamin K and the Combination of Vitamins K and D for Calcium Metabolism and Bone Health: A Review.Nutrients (2024) · PMID 39125301 Effects of vitamin D supplements on bone mineral density: a systematic review and meta-analysis.Lancet (2014) · PMID 24119980

moderateSupports immune function

May reduce risk of respiratory infections. Active area of research.

391 studies on PubMed

Related studies:Automatically retrieved from PubMed based on keyword matching. Some may not directly address the specific claim above.Vitamin D's Effect on Immune Function.Nutrients (2020) · PMID 32353972 Effect of Vitamin D Supplementation, Omega-3 Fatty Acid Supplementation, or a Strength-Training Exercise Program on Clinical Outcomes in Older Adults: The DO-HEALTH Randomized Clinical Trial.JAMA (2020) · PMID 33170239 Vitamin D: Nutrient, Hormone, and Immunomodulator.Nutrients (2018) · PMID 30400332

weakMay improve mood

Some association between low vitamin D levels and depression, but evidence is inconsistent.

466 studies on PubMed

Related studies:Automatically retrieved from PubMed based on keyword matching. Some may not directly address the specific claim above.The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials.Crit Rev Food Sci Nutr (2023) · PMID 35816192 Vitamin D bioavailability: state of the art.Crit Rev Food Sci Nutr (2015) · PMID 24915331 Effect of Long-term Vitamin D3 Supplementation vs Placebo on Risk of Depression or Clinically Relevant Depressive Symptoms and on Change in Mood Scores: A Randomized Clinical Trial.JAMA (2020) · PMID 32749491

Known Side Effects

hypercalcemia with chronic overdose
nausea at very high doses
kidney stones

Drug Interactions

thiazide diuretics
corticosteroids
orlistat
statins

Always consult your healthcare provider before combining supplements with medications.

Products Containing Vitashine Vitamin D3 (2)

Doctor's BestVegan D3 with Vitashine D3 2500 IU

67 2

Doctor's BestBest Vegan D3 2500 IU