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Swanson Vitamins

Vitamin D3, High Potency, 25 mcg (1,000 IU), 30 Capsules

4.8 · 4200 reviews
636 ₽

Bone and Immune Health Vitamin Supplement Do you get enough of the powerhouse Sunshine Vitamin? The body manufactures some vitamin D on its own when it is exposed to sunlight—hence the nickname—but for people living in the northern latitudes where wintertime sun exposure is limited, the body's natural vitamin D production may not be enough. Additionally, our ability to produce vitamin D diminishes with age. According to the National Institutes of Health, most people in the United States consume less than recommended amounts of vitamin D. Swanson High Potency Vitamin D3 capsules tackle this problem by supplying an impressive 25 mcg (1,000 IU) of vitamin D3, the most biologically active type of vitamin D. Vitamin D3 is an essential bone supporting nutrient that works to absorb calcium efficiently in the body. Adequate amounts of vitamin D are essential for bone, muscle, brain and heart health, as well as dental health and the immune system. Optimal levels of vitamin D are associated with improved muscle strength and blood pressure maintenance. Help ensure you’re getting enough of this important nutrient with Swanson High Potency Vitamin D3.

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Bone and Immune Health Vitamin Supplement Do you get enough of the powerhouse Sunshine Vitamin? The body manufactures some vitamin D on its own when it is exposed to sunlight—hence the nickname—but for people living in the northern latitudes where wintertime sun exposure is limited, the body's natural vitamin D production may not be enough. Additionally, our ability to produce vitamin D diminishes with age. According to the National Institutes of Health, most people in the United States consume less than recommended amounts of vitamin D. Swanson High Potency Vitamin D3 capsules tackle this problem by supplying an impressive 25 mcg (1,000 IU) of vitamin D3, the most biologically active type of vitamin D. Vitamin D3 is an essential bone supporting nutrient that works to absorb calcium efficiently in the body. Adequate amounts of vitamin D are essential for bone, muscle, brain and heart health, as well as dental health and the immune system. Optimal levels of vitamin D are associated with improved muscle strength and blood pressure maintenance. Help ensure you’re getting enough of this important nutrient with Swanson High Potency Vitamin D3.

Customer reviews

5.0
verified purchase

It’s amount is so much, it will last me for couple of months, it came in a clear and semi transparent bottle,it came in a box and the condition of the packaging is very okay d, the capsule size is really okay, it’s easy to swallow, I’ll choose to buy it again, and I’ll recommend to people.

9/2/2023
5.0
verified purchase
Excellent! choice for D vitamins

I selected this product based on the price. it's affordable. I have deficiency in D vitamins so this gives me energy and it's a good deal. it also boost my immune system against sickness. the capsules are easy to swallow. I read also that it compliments biotin supplement. vitamin D capsule is essential for good health. it's amount of capsules is sufficient.

7/24/2023
5.0
verified purchase

excellent quality and very small pill. it has really helped with the deficiency. i take this once every 2 days only and my Vit D levels very excellent during the last test.

4/17/2026
5.0
verified purchase

Thank you for providing such outstanding supplements! The quality is exceptional, with thoughtfully selected ingredients that offer remarkable health benefits. Your products have made a significant positive impact on my overall well-being. I also appreciate the secure and reliable packaging. Thanks again, iHerb!

3/18/2026
4.0
verified purchase
Its a maintenance dose

I got it as support as daily maintenance dose with my other supplements, packaging is great i trust this brand , price is amazing ..

2/17/2026
5.0
verified purchase

very useful medicine its quality, scent are not bad feeling for body and day activities. good package and composition, dosage as well. it provide potency and effect daily life routine with energy that you have never had before. easy in use and benefit for adult age. size and ingredient are nice. it has neutral taste.

12/28/2025
5.0
verified purchase
Great for winter

I already finished the pack and in combination with zinc and vitamin C, I can say that I stayed healthy and strong this winter, even though many of the people around me were sick. For example, my sister had a flu, and we had sat together the night before she actually got ill. She had a fever for a couple of days and felt so weak; I ended up with a runny nose and a sore throat for a day or two. That's it. So, I really think that supplements do help.

12/25/2025
5.0
verified purchase

I've been using those for a while now, and I can't complain. I like their small size, and though I don't know for sure if they work, I definitely haven't noticed any negative side effects.

12/1/2025
5.0
verified purchase
Good ingredients for immunity

I’ve been taking this Vitamin D3 1000 IU, and the packaging is secure and clearly labeled, making it easy to use and store. The size of the bottle is practical, offering enough capsules for consistent daily supplementation. The composition is straightforward and high-quality, providing a moderate dose of Vitamin D3 that the body absorbs well. The quality is reliable—each capsule is smooth, easy to swallow, and gentle on the stomach. In terms of use, I take one capsule daily with food, and it fits naturally into my routine. The benefits I’ve noticed include steady energy support, improved overall mood, and a general sense of wellness, especially when sunlight exposure is limited. Overall, the dependable packaging, convenient size, effective composition, consistent quality, simple use, and noticeable health benefits make this a supplement I’m very pleased with.

11/10/2025
5.0
verified purchase
Love this dosage

I’ve been taking this Vitamin D3 1000 IU, and the packaging is secure and clearly labeled, making it easy to use and store. The size of the bottle is practical, offering enough capsules for consistent daily supplementation. The composition is straightforward and high-quality, providing a moderate dose of Vitamin D3 that the body absorbs well. The quality is reliable—each capsule is smooth, easy to swallow, and gentle on the stomach. In terms of use, I take one capsule daily with food, and it fits naturally into my routine. The benefits I’ve noticed include steady energy support, improved overall mood, and a general sense of wellness, especially when sunlight exposure is limited. Overall, the dependable packaging, convenient size, effective composition, consistent quality, simple use, and noticeable health benefits make this a supplement I’m very pleased with.

11/10/2025