Premier Research Labs Vitamin D3 Serum – Liquid Vitamin D Oil Drops for Adults, Liquid Vitamin D3 5000 IU, Sublingual Vit D3 Liquid – 0.43 fl oz
$21.54
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Price: $21.54
(as of Nov 07, 2025 08:26:22 UTC – Details)
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Is Discontinued By Manufacturer : No
Package Dimensions : 5.39 x 2.05 x 1.97 inches; 1.76 ounces
Item model number : 2200 IU
Date First Available : December 3, 2011
Manufacturer : Premier Research Labs
ASIN : B006PFBVAC
Best Sellers Rank: #26,552 in Health & Household (See Top 100 in Health & Household) #847 in Blended Vitamin & Mineral Supplements
Customer Reviews: 4.7 4.7 out of 5 stars 649 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
HIGH-POTENCY VITAMIN D3: Premier Research Labs Vitamin D3 Serum provides 5,000 IU of naturally-sourced liquid vitamin D3 per five-drop dose to promote overall health and wellness
BONE HEALTH & IMMUNE SUPPORT: Our liquid Vitamin D drops promote bone health and mineralization for adults, as well as supporting the body’s natural immune response and cardiovascular health*
PURE & EFFECTIVE FORMULA: We source natural Vitamin D3 & combine with extra virgin olive oil for enhanced absorption. Our premier vitamin D serum is Non-GMO, Kosher, & made with no harmful additives
SUGGESTED USE: Take 5 drops of our Vitamin D3 oil daily, equating to approximately 125 mcg/5,000 IU of Vitamin D3 per dose. Each bottle of our Vitamin D3 drops for adults contains about 114 servings
PREMIER-QUALITY SUPPLEMENTS: At Premier Research Labs, we pride ourselves in creating high quality supplements using sustainably & meticulously sourced natural ingredients from around the globe
8 reviews for Premier Research Labs Vitamin D3 Serum – Liquid Vitamin D Oil Drops for Adults, Liquid Vitamin D3 5000 IU, Sublingual Vit D3 Liquid – 0.43 fl oz
Add a review
$21.54
lopez08 –
Good product
Good product.
Classy Lady –
Vitamin D Serum that Works
This is the only vitamin D I can take that doesn’t give me a headache. It actually raises your Vitamin D level as opposed to tablets that never worked. Easy to measure out and no after taste. Highly recommend.
Dan&Katt –
Product works.
Bought for my family member who suffers from lack of sunlight. After a week of taking this product said family member was much better. This product really works!
jennifer –
Vitamin D
Tasteless easy to digest
Luther Magdalene –
The oil tastes fresh and real. The formulation is clean and pure.
Clean formulation! The price is competetive as well. A few drops goes a long way to mitigate the moodiness of SAD in the PNW. The olive oil tastes high quality, with a peppery note that is pleasing to the palate.
Tsunga O. –
Good quality
Same quality like I am used to
BohoRosieReviews –
Best D3 period.
Bought this specific D3 several times over the years and use it sublingually for fast results in raising my serum levels. I took it from a 17 to over 60 in 6 weeks and my doctor was shocked.
Jubob –
The best
My chiropractor told me I needed to use this brand as I wasn’t absorbing the brand I was taking. I am now in the high end of vitamin D3 levels. My MD is very pleased with my levels. So am I.