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Price: $68.11
(as of Aug 24, 2025 22:47:18 UTC – Details)

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Product Dimensions ‏ : ‎ 4 x 4 x 6.5 inches; 1.54 Pounds
Item model number ‏ : ‎ D4000 (4,000 IU Vitamin D)
Date First Available ‏ : ‎ March 3, 2021
Manufacturer ‏ : ‎ Theralogix
ASIN ‏ : ‎ B08XY8NCHB
Best Sellers Rank: #151,777 in Health & Household (See Top 100 in Health & Household) #780 in Calcium Mineral Supplements
Customer Reviews: 4.7 4.7 out of 5 stars 25 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); } }); });

Essential Bone Health Nutrients: Get vital nutrients, like calcium citrate and vitamins D3 and K2, you need to maintain bone strength and support an active lifestyle*
High-Quality Calcium Supplement: TheraCal D4000 is a physician-recommended calcium supplement with superior absorption*
Joint Support: TheraCal D2000 includes magnesium and boron to help support bone health; also includes 1,000 mg of calcium citrate, high-dose vitamin D3, and vitamin K2
Purity Tested: Our USA-manufactured supplements are independently verified for potency and purity by NSF; gluten-free, no dyes, vegan, contains no additives and made with premium ingredients
About Theralogix: Theralogix produces scientifically formulated nutritional supplements made from premium ingredients, independently tested & certified, and trusted by healthcare providers & patients for over 20 years