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Natural Factors

Vitamin D3, 250 mcg (10,000 IU), 120 Softgels

4.8 · 924 reviews
1,484 ₽

Dietary Supplement Supports Healthy Bones Purity & Potency Guaranteed Vitamin D3 is essential for strong bones and teeth as it increases the body's absorption of calcium from food. Its role in regulating calcium levels also helps regulate the immune system and maintain healthy nerves and muscles. Vitamin D3 is carefully blended with organic flaxseed oil in an easy-to-swallow softgel. Isura™: Non-GMO: Documentation ✔ Mass Spec: Lab Tested ✔

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Dietary Supplement Supports Healthy Bones Purity & Potency Guaranteed Vitamin D3 is essential for strong bones and teeth as it increases the body's absorption of calcium from food. Its role in regulating calcium levels also helps regulate the immune system and maintain healthy nerves and muscles. Vitamin D3 is carefully blended with organic flaxseed oil in an easy-to-swallow softgel. Isura™: Non-GMO: Documentation ✔ Mass Spec: Lab Tested ✔

Customer reviews

5.0
verified purchase
good dosage and size

Loving that this vitamins is carefully blended with organic flaxseed oil in an easy-to-swallow softgel. This is a great source of Vitamin D3. It is essential for strong bones and teeth as it increases the body's absorption of calcium from food. Its role in regulating calcium levels also helps regulate the immune system and maintain healthy nerves and muscles.

7/5/2025
5.0
verified purchase
Strong dose, easy to take

I wanted a higher dose of D3 to keep my immune system strong, and this 250 mcg version is perfect. One small pill a day and I'm done. No side effects, no weird fillers, and it gets the job done. It’s a great value for the amount of softgels you get in the bottle.

2/9/2026
5.0
verified purchase
Love this product!

This is my favorite D3 supplement. I like the fact that they offer a very high dose (10.000), the softgels are small and use flax oil as a base.

10/9/2025
5.0
verified purchase

Very good ingredient quality is fair, easy to use as mineral supplement , good size, and beautiful package, makes my hair soft and makes it moisture

10/3/2025
4.0
verified purchase

Vitamin D3 is essential for strong bones and teeth as it increases the body's absorption of calcium from food. Its role in regulating calcium levels also helps regulate the immune system and maintain healthy nerves and muscles. Vitamin D3 is carefully blended with organic flaxseed oil in an easy-to-swallow softgel.

8/29/2025
5.0
verified purchase

This is the first time I bought this brand as the other brand I used to buy was out of stock, hope this product is as good as the other one.

6/19/2025
5.0
verified purchase

This is a great source of Vitamin D3. It is essential for strong bones and teeth as it increases the body's absorption of calcium from food. Its role in regulating calcium levels also helps regulate the immune system and maintain healthy nerves and muscles. Loving that this vitamins is carefully blended with organic flaxseed oil in an easy-to-swallow softgel.

5/1/2025
5.0
verified purchase
Potent and Effective – Excellent Vitamin D3 Supplement!

Natural Factors Vitamin D3 is a fantastic supplement! The 250 mcg (10,000 IU) dosage is perfect for those who need a higher dose of Vitamin D, especially in the winter or for immune support. The softgels are easy to swallow and absorb well. I’ve noticed a significant improvement in my energy levels and mood since I started taking it. It’s a great option for those looking for a high-potency Vitamin D3 supplement that’s both affordable and effective. If you need a strong Vitamin D3 boost, I highly recommend this product!

4/3/2025
5.0
verified purchase

Great quality, seems to really work in getting my vitamin D levels up. Love that it's suspended in organic flaxseed oil, and the 10K IU dosage. Reasonably priced. Please keep offering this product!

2/23/2025
5.0
verified purchase
I need that dose

I need to take 10,000 IU of Vitamin D3 about three or four times a week to maintain adequate levels. Pairing Vitamin D3 with Vitamin K2, magnesium, and a healthy fat source like Omega-3 maximizes their benefits. Vitamin K2 helps direct calcium to the bones rather than soft tissues, promoting bone health and protecting cardiovascular function. Magnesium is crucial for activating Vitamin D; without it, Vitamin D metabolism is less effective, and higher doses of Vitamin D can even reduce magnesium levels. Omega-3s, as a source of healthy fat, enhance Vitamin D absorption and provide added immune and anti-inflammatory support, further amplifying the overall benefits.

11/7/2024