• Vitamin D3 with Sea-Iodine™ delivers dual-action support for your bone health, thyroid health and immune health.
• This formula’s 125 mcg (5,000 IU) of vitamin D3 promotes the transport of calcium into bones, encourages cognitive function and plays a critical role in healthy immune function.
• Iodine supports healthy thyroid function—but many people don’t get enough. So we’ve combined them into a single, convenient supplement. 

Iodine is essential for thyroid health

Iodine is a trace element essential for supporting the production of the thyroid hormones triiodothyronine (T3) and thyroxine (T4). The thyroid gland actively absorbs iodide from the blood in order to make and release these hormones. Iodine is abundant in seafood and sea vegetables, but not everyone likes or has access to marine foods and vegan diets sometimes lack adequate iodine. 

Commercial salt makers add iodine to table salt to make up for this potential deficiency. However, those who don’t eat salt  may miss out on an easy source of iodine. Our Vitamin D3 with Sea-Iodine™ formula delivers 1,000 mcg of iodine derived from sea plants to support healthy iodine levels. 

Vitamin D3 and cognitive health

Vitamin D is important for maintaining healthy cognitive function as you age. Healthy serum vitamin D levels have been shown to correspond with better scores on cognitive health tests and healthy cognitive ability. 

Vitamin D3 and bone and immune health

Vitamin D (accompanied by vitamin K and essential minerals) is essential for supporting the transport of calcium into the bone matrix. This is an important step in maintaining strong, healthy bones and teeth. Vitamin D also plays a critical role in healthy immune function. 

Vitamin D3 and heart health

Vitamin D helps to regulate the body's calcium balance while facilitating calcium absorption into the bloodstream, promotes a healthy inflammatory response in the cardiovascular system and encourages healthy endothelial function. Vitamin D may also help inhibit excess renin levels. Healthy renin levels help maintain healthy blood pressure already within the normal range. 

Get tested to assess dosage

This vitamin D3 supplement delivers 125 mcg (5,000 IU) of vitamin D3 as cholecalciferol per capsule. We suggest you take a 25-hydroxy vitamin D blood test after three months to assess and adjust your dosage. Evidence suggests that, for most people, an optimal target vitamin D blood level may be about 50–80 ng/mL. 

• Two nutrients in one – Iodine is a trace element with important biological roles. Vitamin D3 is an important nutrient for whole-body health. Because many people struggle to get enough of these nutrients, we’ve combined them into a single supplement.
• Bone, brain & immune health – Vitamin D helps your bones maintain their strength and rigidity. It supports cognitive health, especially as you age. Vitamin D3 supports immune function, endothelial health.
• Trace element essential for life – Iodine supports the production of thyroid hormones. A healthy thyroid gland acts as your body’s thermostat. Your thyroid also helps regulate your metabolism, including when and how you burn fat for energy.
• Ingredients matter - Sourced using only the finest raw ingredients with the quality and purity your body deserves. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every product we produce.
• Live your healthiest life – We believe the answers to a healthier life are in reach, and that scientific research is the key to getting there. That’s why so many of our formulas feature specific ingredients and amounts based on scientific studies. 

*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.