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๐ก Elevate your daily wellness with liquid D3 that works as hard as you do!
Premier Research Labs Vitamin D3 Serum offers a high-potency 5,000 IU liquid dose per serving, combining natural vitamin D3 with extra virgin olive oil for enhanced absorption. Designed for adults, this pure, non-GMO, and Kosher formula supports bone health, immune function, and cardiovascular wellness. Each 0.43 fl oz bottle provides approximately 114 easy-to-take servings, making it a convenient and effective daily supplement trusted by thousands.

































| ASIN | B006PFBVAC |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #37,448 in Health & Household ( See Top 100 in Health & Household ) #1,261 in Blended Vitamin & Mineral Supplements |
| Brand | Premier Research Labs |
| Brand Name | Premier Research Labs |
| Color | Yellow |
| Customer Reviews | 4.6 out of 5 stars 717 Reviews |
| Dosage Form | Liquid |
| Item Form | Serum |
| Manufacturer | Premier Research Labs |
| Manufacturer Part Number | 2200 IU |
| Material Type Free | Artificial Color Free |
| Model Number | 2200 IU |
| Number of Items | 1 |
| Primary Supplement Type | Vitamin-d |
| UPC | 661799414777 |
S**A
Great Vitamin D supplement
So I usually have low vitamin D levels. Just by taking a bottle of this, I have normal Vitamin D levels. The ingredients are pure-tasting; I put olive oil under my tongue for about 30 seconds. The texture is like a nice oil, and the taste is like olive oil. Very easy to use. I have not had any side effects from this supplement, aside from increased energy. Quality ingredients from this brand
J**E
Increased Vitamin D Levels - Great Product!
I was consistently using 5 drops per day of this Vitamin D. I had my blood tested and my Vitamin D levels were in the 80's. Then I did an experiment and stopped using it for about 6 months. Retested my Vitamin D and it was in the 30's. Suffice to say, I will resume using this product (5 drops per day) to get my Vitamin D levels back up. On another note, I love the simplicity and price of this product. And also how you can easily adjust the amount of Vitamin D you wish to take. I have given 2 dropperfuls to my son for a couple of days straight to avoid a trip to the hospital for an asthma flare up. It is a really great product and I always have it available.
L**Y
Good product
Was recommended by a doctor. Easy to use, just a couple of drops per day to stabilize vitamin D levels. The product is great, but the price has gone up so much over the last couple of years
D**D
Nice product
As advertised thank you
N**N
Works
This D3 serum is a good product. I used it on my scar on my face. Worked well to help heal it.
O**M
Supplements
Tastes good.
L**1
Phenomenal
Iโve suffered from low vitamin D for nearly two decades. My lab from December 2025 was 28 I purchased this supplement in the beginning of Jan. My lab from 1week ago is 50! I took the recommended dose 2xโs/day. Iโm now taking a maintenance dose 1x/day. IT WORKS!!
B**.
Best D3 out there.
This is an exvellant brand that I trust.
Trustpilot
3 days ago
2 weeks ago