Page 1 - Reviews - 21st Century, D3, 250 Tablets - iHerb
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D3, 250 Tablets
D3, 250 Tablets

Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.8
Based on 1,262 ratings
1,048
163
34
10
7
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What customers say
(1,257)
 
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Rating

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English
Translated reviews
Liako-1974
Posted on Jan 25, 2021
Georgia
31
0
0
0
Verified purchase
The best form, well absorbed, improves mood and well-being! I take 1 ton per day with breakfast!
Auto-translated from Russian
iHerbCustomer
Gold
Posted on Feb 1, 2026
Israel
543
1
0
9
Good
Verified purchase
this brand absolutely works well and it works every one
iHerbCustomer
Silver
Posted on Nov 9, 2025
Spain
197
5
0
0
Good
Verified purchase
Excellent quality and well-chosen ingredients. Easy to use, perfect size, and nice texture. The scent is fresh, and the effect is visible after consistent use. Great packaging, fast absorption, and overall great value for the price.
Miranda
Gold
Posted on Nov 4, 2025
Moldova, Republic of
846
0
0
25
Verified purchase
Easy to take and seems effective. I’ve been taking it daily and feel it helps maintain my energy and overall wellness, especially during the darker months.
Pei
Posted on Sep 8, 2025
Taiwan
36
0
0
0
good
Verified purchase
I bought this as a daily supplement for an elder. They have a severe calcium deficiency, and the added Vitamin D helps with calcium absorption while also providing other benefits.
iHerbCustomer
Gold
Posted on Sep 2, 2025
Singapore
862
0
0
114
Good product
Verified purchase
effective, value, and ease of use. Customers report improvements in energy levels and bone health, but it is important to be aware of potential side effects from excessive intake
iHerb customer
Silver
Posted on Jan 7, 2026
Jordan
152
0
0
4
جيد
Verified purchase
I’ve been using this product for a while now and overall, I’m quite satisfied with it. The build quality is solid, the design is user-friendly, and it performs as expected.
iHerb customer
Silver
Posted on Mar 20, 2026
United Kingdom (UK)
101
0
0
0
Effective Daily Vitamin D3 – Great Value & Easy Dosage
Verified purchase
Very solid vitamin D3 supplement with a convenient 2000 IU dosage, which is ideal for daily support, especially in low sunlight conditions. Tablets are easy to take and well tolerated. The quality is consistent, and the large bottle size offers great value for money. A reliable choice for supporting immunity, bones, and overall health.
iHerb customer
Posted on Dec 26, 2025
Jordan
53
0
0
0
ممتاز!
Verified purchase
No Scent Easy to use Good quality Small size Any age Package is good ‎ ‎ Product quality refers to how well a product satisfies customer needs, serves its purpose and meets industry standards. When evaluating product quality, businesses consider several key factors, including whether a product solves a problem, works efficiently or suits customers' purposes.
AbraamDimidzhyan
Posted on Apr 29, 2025
Armenia
98
0
2
2
Verified purchase
It's become a staple in my daily supplement routine. The dosage is perfect for maintaining healthy vitamin D levels, especially during the winter months when sunlight is limited. The tablets are small and easy to swallow, with no unpleasant aftertaste. I also appreciate that the bottle contains 110 tablets, which lasts a long time and offers excellent value for the price. Overall, it's a reliable and affordable option from a brand I trust. I highly recommend it to anyone looking to support their immune system, bone health, or overall wellness.