Theralogix Thera-D 4000 Vitamin D Supplement - 4000 IU (100 mcg) Vitamin D3 Tablets - 90-Day Supply - Immune Support Supplement for Women & Men - Aids Bone & Heart Health - NSF Certified - 90

- 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 4000 supports healthy immune function to help your body stay resilient with 4,000 IU (100 mcg) of vitamin D per tablet* - 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

Product description

Thera-D Vitamin D Supplements

Think of vitamin D like your body's MVP. Vital for heart, immune, and bone health, vitamin D plays huge roles in keeping your body in prime condition.* Physician recommended Thera-D is available in three different doses so you can better meet your specific vitamin D needs.

* 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.