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Updated: 09 Oct 2025

10 Best Vitamin D Supplements

#1
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Vitamin D 10000 IU | 500 Softgels | Non-GMO, Gluten Free Supplement | Value Size | High Potency Formula | 250mcg | by Horbaach

Brand: Horbäach
$38.00 ($0.08 / coun
⭐ 4.1
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    No features listed
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#2
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NOW Supplements, Vitamin D-3 50,000 IU Softgels, 50 Count (Pack of 1)

Brand: NOW
$32.97 ($0.66 / coun
⭐ 4.1
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    Helps Maintain Strong Bones
  • Supports Immune System
  • This product is intended to be used under the supervision of a healthcare professional and not for daily use.
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
  • Packaged in the USA by a family owned and operated company since 1968.
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#3
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Blackmores Vitamin D3 1000 IU | Supports Bone & Muscle health| 200 Capsules

Brand: Blackmores
$15.50 ($0.08 / coun
⭐ 4.4
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    Blackmores Vitamin D3 1000 IU can assist in building and maintaining healthy bones. Vitamin D3 promotes the absorption of calcium and can help to support healthy muscles.
  • Helps to maintain healthy bone density by providing minerals to the skeleton.
  • All Blackmores products are rigorously tested for quality.
  • Helps to build and maintain muscle strength in older people, which may reduce risk of falls.
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#4
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NOW Supplements, Vitamin D-3 10,000 IU Softgels, Vitamin D, Joint Support, 240 Softgels

Brand: NOW
$41.84 ($0.17 / coun
⭐ 5
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    Product Type:Health Personal Care
  • Highest Potency Helps Maintain Strong Bones Supports Immune System Now Vitamin D-3 Soft Gels Supply This Key Vitamin In A Highly-Absorbable Liquid Soft Gel Form
  • Item Package Quantity:1
  • Country Of Origin: United States
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#5
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Ostelin Vitamin D3 1000IU Capsules 130 - Supports Bone Strength - Maintains Healthy Immune System and Muscle Function - Supports General Well-Being

Brand: Ostelin
$13.90 ($0.11 / coun
⭐ 4.1
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    BONE STRENGTH: Ostelin Vitamin D3 supports bone strength and mineralisation
  • VITAMIN D: Encourages absorption of dietary calcium and maintains healthy Vitamin D levels in the body
  • SUPPORTS MUSCLE FUNCTION: Maintains healthy muscle function and general well-being
  • IMMUNE SUPPORT: Vitamin D3 Maintains healthy immune system function
  • NO ADDED: Gluten, lactose, sugar, artificial colours, artificial flavours, artificial sweeteners, or dairy products
  • Always read the label and follow the directions for use; See product warnings below
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#6
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Vitamin D3 4000IU & K2 MK7 100µg Vegetarian Tablets | 180 (6 Months’ Supply) | Easy to Swallow Tablet | GMO Free Ingredients | Made in UK by Prowise Healthcare

Brand: PH PROWISE Healthcare
$36.99 ($0.21 / coun
⭐ 5
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    WHY CHOOSE PROWISE D3 4000 IU & VITAMIN K2 100g TABLETS: Vitamin D3 and K2 are often paired together in supplements due to their complementary roles in wellbeing. This formulation combines in one convenient tablet.
  • SUNSHINE VITAMINS: It provides a source of Vitamin D3 and K2, often referred to as the Sunshine Vitamins due to the bodys natural production of Vitamin D through sunlight exposure.
  • UNCOMPROMISING QUALITY CONTROL AND PREMIUM INGREDIENTS: Quality control and premium ingredients are at the core of our commitment to excellence. From initial blending to follow-up testing, Prowise Vitamin D3 K2 Tablets are expertly crafted by healthcare professionals in strict adherence to GMP guidelines.
  • OUR HEARTFELT COMMITMENT: We proudly partner with Vitamin Angels UK, a charity that provides essential nutritional support to children and mothers. Every purchase from Prowise contributes to this meaningful cause.
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#7
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Cenovis Vitamin D3 1000IU Tablets 200 - Vitamin D Aids Calcium Absorption - Supports healthy Immune System Function, Bone Strength, Muscle Strength in the Elderly & Muscle Function - High Strength

Brand: Cenovis
$11.99 ($0.06 / tabl
⭐ 4.7
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    ASSISTS HEALTHY BONE DEVELOPMENT: Cenovis Vitamin D3 1000IU supports bone strength and calcium absorption
  • SUPPORTS MUSCLE FUNCTION: Maintains muscle function and strength in elderly individuals
  • IMMUNE SUPPORT: Vitamin D3 taken as a daily dietary supplement helps support healthy immune system function
  • RECOMMENDED ADULT DOSAGE: Take 1 tablet daily with food or as recommended by your healthcare professional; Always read the label and follow the directions for use
  • Always read the label and follow the directions for use; See product warnings below
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#8
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Ostelin Vitamin D3 1000IU Capsules 250 - Supports Bone Strength - Maintains Healthy Immune System & Muscle Function - Supports General Well-Being

Brand: Ostelin
$26.73 ($0.11 / coun
⭐ 4.7
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    BONE STRENGTH: Ostelin Vitamin D3 supports bone strength and mineralisation
  • VITAMIN D: Encourages absorption of dietary calcium and maintains healthy Vitamin D levels in the body
  • SUPPORTS MUSCLE FUNCTION: Maintains healthy muscle function and general well-being
  • IMMUNE SUPPORT: Vitamin D3 Maintains healthy immune system function
  • NO ADDED: Gluten, lactose, sugar, artificial colours, artificial flavours, artificial sweeteners, or dairy products
  • Always read the label and follow the directions for use. See product warnings below
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#9
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NOW Vitamin D-3 5,000 IU,240 Softgels

Brand: NOW
$41.95 ($0.17 / coun
⭐ 4.4
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    Structural Support - 5,000 IU Highest Potency
  • Helps Maintain Strong Bones
  • Supports Dental Health*
  • Dates on US products may be displayed as MM/DD/YYYY
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#10
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Swisse Ultiboost Vitamin D - Supports Bone & Muscle Health & Maintains Healthy Immune System - 400 Capsules

Brand: Swisse
$19.49 ($0.05 / coun
⭐ 4.7
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    Supports strong, healthy bones and teeth.
  • Helps increase dietary calcium absorption.
  • Supports muscle health.
  • Maintains a healthy immune system.
  • Naturally derived source of vitamin D3.
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