Vitamin D3 125 mcg

$7.55 ~~$10.49~~ In stock

21st Century Vitamin D3 125 mcg tablets offer a convenient way to support your intake of this essential vitamin, which is naturally produced by your body when exposed to sunlight and found in limited food sources such as fatty fish and egg yolks.*

For over 30 years, 21st Century Vitamins has provided trusted vitamins and supplements by upholding the highest standards of quality in every product we offer. From sourcing the finest ingredients to rigorous testing and production processes, we ensure that every product meets our stringent quality benchmarks. We are here to support your wellness every step of the way.

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

George ★★★★★ Oct 22, 2026

These tiny tablets are a breeze to swallow, which matters when you take a supplement daily. The 125 mcg dose is perfect for me since I rarely get enough sun, and I've noticed a real difference in my energy levels this winter.

Daniel ★★★★★ Oct 21, 2026

I was worried about getting enough vitamin D during the darker months, and these tablets make it so easy to just take one with breakfast. They're small and don't have any weird aftertaste, which I appreciate. Already feeling a difference in my energy levels after a few weeks.

Madison ★★★★★ Oct 20, 2026

The 125 mcg dosage is exactly what I needed, and the tablets are small enough to swallow without any trouble. I’ve been taking them for a few weeks and feel more energetic during the darker winter days.