Extra Strength Liquid Vitamin D-3 1000 IU®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Serving Size: 0.04 mL · 1–2 per day

Not Present

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  Now Foods Extra Strength Liquid Vitamin D-3

  Vitacost.com4.8(7100)

  $8.60
• 

  NOW Vitamin D-3 Extra Strength 1000 IU

  Vitamart.ca4.5(44)

  $9.56
• 

  NOW Foods Extra Strength Liquid

  NOW3.5(4)

  $13.99
• 

  Now Liquid Vitamin D-3

  iHerb4.8(2300)

  $6.14Lowest
• 

  (2 pack) NOW Supplements, Liquid Vitamin D-3, Extra Strength, Structural Support*, 1-Ounce, Size: 3.60, Other

  Walmart - Fruitful Yield3.5(4)

  $22.78
• 

  Now Foods Liquid Vitamin

  NOW4.7(13)

  $7.99
• 

  NOW Foods Liquid Vitamin D3 Extra Strength

  GoSupps.com4.8(6)

  $24.99
• 

  NOW Foods LIQUID Vitamin D-3 2 fl oz

  Mothers Market & Kitchen4.8(2300)

  $7.99

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• The Vitamin Shoppe

  4.6 (165)

  Vitamin & supplements store

  4117 Lemmon Ave, Dallas, TX 75219

  Directions(214) 780-0143

• A Comparison and Safety Evaluation of Micellar versus Standard Vitamin D3 Oral Supplementation in a Randomized, Double-Blind Human Pilot Study

  J Solnier, C Chang, Y Zhang, YC Kuo, M Du, YS Roh… - Nutrients, 2024 - mdpi.com

  … single dose of 1000 IU or 2500 IU Vitamin D 3 , formulated in … However, a much higher daily dose of 10,000 IU of Vitamin D 3 … Furthermore, while other studies showed earlier maximum/…

  20246 citations

• Vitamin D sources, metabolism, and deficiency: available compounds and guidelines for its treatment

  LJ Dominguez, M Farruggia, N Veronese… - Metabolites, 2021 - mdpi.com

  … , and arms) would produce the equivalent of 1000 IU of vitamin D [19]. Fifteen minutes of sun … Even if the most common form of vitamin D supplementation used today is cholecalciferol, …

  2021436 citations

• From the Vitamin D Paradox to Precision Nutrition: Targeted Supplementation, Assay Pitfalls, and Clinical Decision-Making

  M Dalamaga, D Tsilingiris, D Petropoulou… - Current Nutrition …, 2026 - Springer

  … A 2024 network meta-analysis of 35 RCTs (n = 58,937) found that daily administration of 800–1,000 IU vitamin D resulted in a lower risk of falls compared with placebo or no treatment (…

  2026

• Daily or intermittent vitamin D supplementation in patients with or at risk of osteoporosis: position statement from the GRIO

  ME Pickering, JC Souberbielle, A Boutten, V Breuil… - Joint Bone Spine, 2025 - Elsevier

  … long-term high doses vitamin D supplementation (such as 60,000 IU/month or more), may … –1000 IU with calcium decrease falls and non-vertebral fractures in the elderly with vitamin D …

  202513 citations

• Immunologic effects of vitamin D on human health and disease

  N Charoenngam, MF Holick - Nutrients, 2020 - mdpi.com

  … It is now recognized that there is a strong immunologic … with 40,000 IUs/day (1000 IUs/kg/day) of vitamin D 3 for five … therapy and was given 54,000 IUs vitamin D 3 daily. He was able to …

  20201,313 citations

• Evidence regarding vitamin D and risk of COVID-19 and its severity

  J Mercola, WB Grant, CL Wagner - Nutrients, 2020 - mdpi.com

  … 50,000 IU vitamin D 2 doses, whereas another two, males aged 53 and 74 years, were given five daily 1000 IU vitamin D 3 … The strengths of this study include that high-dose vitamin D 3 …

  2020327 citations

• Vitamin D: What the Label Numbers Mean

  How to read vitamin D amounts on a Supplement Facts panel, the IU-to-mcg conversion, and why %DV matters.

  VitaSuppTrack Editorial· Jun 24, 2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2024-07-25. DSLD Label ID: 314313. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.