21st Century Vitamins and Supplements - For Adults, Women

Vitamin D3 25 mcg

Vitamin D3 25 mcg - Main image
$4.75 $6.99 In stock

Category: Vitamin D

21st Century Vitamin D3 25 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.

Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

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

View policy

Customer Reviews (4.6 / 5 · 5 reviews)

Ruby ★★★★★

The 25 microgram tablets are small and easy to swallow, which is exactly what I need since I dislike big pills. My energy levels feel more consistent now that I'm taking them regularly during these darker winter months.

Leo A. ★★★★★

I've been taking these with my breakfast for a month now, and the 25 mcg dose fits perfectly into my routine. The tablets are uncoated but dissolve quickly, which I appreciate.

Steven ★★★★★

The tablets are so small I can swallow them without water, which is a huge plus for my morning routine. They dissolve fast and I've noticed my mood feels steadier since adding them to my daily dose.