





Price: $13.99 - $8.10
(as of Dec 28, 2025 16:04:40 UTC – Details)
1,000 IU per Drop Helps Maintain Strong Bones* NOW® Vitamin D3 Extra Strength liquid supply this key vitamin in a highly absorbable liquid form. Vitamin D is normally obtained from the diet or produced by the skin from the ultraviolet energy of the sun. However, it is not abundant in food. As more people avoid sun exposure, vitamin D supplementation becomes even more necessary to ensure that your body receives an adequate supply. This extra strength product has ten times the D3 per drop (1,000 IU) as our regular strength product (100 IU).
Is Discontinued By Manufacturer : No
Product Dimensions : 1.25 x 1.25 x 3.5 inches; 3.2 ounces
Item model number : 0371
Department : Health and Beauty>Health and Wellness
Date First Available : August 3, 2017
Manufacturer : NOW Sports – Nutrition and Wellness
ASIN : B009KZ3D5U
Best Sellers Rank: #17,206 in Health & Household (See Top 100 in Health & Household) #200 in Vitamin D Supplements #1,535 in Sales & Deals
Customer Reviews: 4.5 4.5 out of 5 stars (4,578) 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); } }); });
ENCOURAGES POSITIVE MOOD: Critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns, and proper immune system function.
CLASSIFICATIONS/CERTIFICATIONS: Kosher, Vegan, Non-GMO
PROMOTES RESTFUL SLEEP: Every lot of is tested to be free of peak E and microbial contamination.
Non-GMO
A Dietary Supplement
Customers say
Customers find the vitamin D supplement easy to use, particularly for children, and appreciate that it has no taste or scent. The product receives positive feedback for its effectiveness and value, with one customer noting it’s the most cost-effective way to supplement Vitamin D. However, the dropper quality and bottle design are problematic, with multiple reports of the dropper breaking off and coming apart, and several customers mentioning leakage issues.







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