Vitamin D3 1000 IU Bone & Immune Support Tablets 100ct
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Product details
About This Product
Strengthen your foundation with Windmill's potent Vitamin D3 25 mcg (1,000 IU) — the essential nutrient your body needs every single day to support calcium absorption, bone health, and immune function.
Key Benefits
- Supports healthy calcium absorption for strong bones and teeth
- Helps maintain immune system function year-round
- Promotes healthy muscle function and nervous system support
- Supports a positive mood and overall well-being
- Pure, concentrated D3 in convenient daily dosage
- Ideal for those with limited sun exposure or dietary gaps
Formulated by Windmill Health Products — a trusted American supplement brand for over 50 years, manufactured in an FDA-regulated, cGMP-certified facility. Each tablet delivers 25 mcg (1,000 IU) of Vitamin D3 as cholecalciferol plus 75 mg of calcium for enhanced bone support.
What's Inside
Supplement Facts
Serving Size 1 Tablet
†Percent Daily Values are based on a 2,000 calorie diet.
Other Ingredients
Dicalcium phosphate, stearic acid, microcrystalline cellulose, silica, croscarmellose sodium, magnesium stearate and coating (water, hypromellose, glycerine, talc, carnauba wax).
Free Of
SugarWheatSoyMilkArtificial colorsFlavors or preservatives
At a Glance
- Serving Size1 tablet
- Per Bottle100
- DietaryMade in the USA
Key Actives
- Vitamin D325 mcg · 125% DV
Dietary Details
- Made in the USA
- Non-GMO
- Gluten-Free
- No Artificial Colors
Review the complete bottle label for all ingredients, daily values, allergens, and warnings.
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Customer Product Reviews
Based on 1 review
"I had a fantastic experience purchasing my vitamins from this online shop.
The website was easy to navigate, making it simple to find exactly what I was looking for. The ordering process was quick and hassle-free, and the prices were great, especially with the coupons Moore Vitamins offers. The quality of the products has been excellent, and the overall shopping experience exceeded my expectations. Great value, fast service, and a user-friendly website—I’ll definitely be ordering from here again and would highly recommend it to others.
Frequently Asked Questions
Most people notice a difference within 2–4 weeks of daily use.
Supplements work gradually, so consistency matters most. Take it at the same time each day and check in on how you feel week to week.
Take 1 tablet daily with food as a dietary supplement or as directed by a healthcare professional.
It’s made under the FDA’s current Good Manufacturing Practice (cGMP) rules, which require every batch to be tested for identity, strength and purity.
Certifications: Made in the USA, Non-GMO, Gluten-Free, No Artificial Colors, No Artificial Flavors, No Preservatives.
We buy directly from authorized Windmill distributors — never marketplace resellers.
Generally, yes.
Space calcium, iron, zinc and magnesium about two hours apart, and check your other supplements for the same ingredients so doses don’t stack up.
Taking medication, pregnant or nursing? Ask your healthcare provider first.
Return any unopened bottle within 30 days of delivery for a full refund. No restocking fee.
Arrived damaged or wrong? Send us a photo at moorevitamins.com/contact and we’ll refund or replace it.
Yes. Subscribe & Save takes 10% off every delivery, not just the first.
Choose monthly, every 2 months or every 3 months. Skip, pause or cancel anytime from your account — no fees, no minimum.








