About the product:
Support Bone & Heart Health: Numerous studies suggest optimal vitamin D levels aid heart and bone health, making Thera-D an ideal supplement* Biologically Active Vitamin D3: Our vitamin D tablets provide the same biologically active form of vitamin D created in our bodies after direct sunlight exposure, without the risk of UVB’s* Immune Support Supplement: Thera-D supports healthy immune function to help your body stay resilient with vitamin D per tablet* Purity Tested: Our USA-manufactured supplements are independently verified for potency and purity by NSF; gluten-free, no dyes, vegetarian, contains no additives and made with premium ingredients
Description:
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
† Thera-D was last tested and certified by NSF International in 2026.
‡ The Theralogix Medical Advisory Board (MAB) is a group within Theralogix which approves all formulations; the MAB is not an external organization and there are no certifications given out by the MAB.








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