Key Benefits

• Supports strong bones and muscle function with vitamin D3.

• Helps your immune system work at its best, every day.

• With iodine to maintain normal thyroid and cognitive function.

Feel confident in your daily routine with Life Extension’s Vitamin D3 with Sea-Iodine. This thoughtfully balanced formula brings together vitamin D3—essential for the maintenance of normal bones, muscle function, and immune system performance—and iodine from a unique Sea-Iodine™ complex. Vitamin D3 helps your body absorb calcium and phosphorus, supporting bone strength and everyday wellbeing. Iodine contributes to the normal production of thyroid hormones, which play a key role in metabolism and energy, and also supports normal cognitive function. Each capsule delivers 125 mcg (5,000 IU) of vitamin D3 and 1,000 mcg of iodine, making it easy to meet your daily needs. Choose a simple way to help maintain your overall wellbeing, every day.

For over 40 years, Life Extension has been advancing nutritional science, driven by the belief that a healthier life is within everyone's reach. Its diverse team of acclaimed doctors and practitioners specialising in preventative medicine, cutting-edge scientists, researchers, lab technicians, naturopaths, nutritionists, nurses, and wellness specialists are dedicated to helping individuals navigate their journey toward lifelong health, wellness, and vitality. Offering more than 400 vitamins and supplements across 40+ health categories, Life Extension empowers people to achieve their health goals with the best that science has to offer.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.

Iodine [from Sea-Iodine™ Complex Blend (Organic Kelp and Bladderwrack Extracts, Potassium Iodide)], Vitamin D (as Cholecalciferol), Bulking Agent (Microcrystalline Cellulose), Vegetable Cellulose (Capsule), Maltodextrin, Modified Food Starch, Anti-Caking Agent (Silicon Dioxide), Anti-Caking Agent (Stearic Acid)

Take one (1) capsule daily with food, or as recommended by a healthcare practitioner.

Caution:
Individuals consuming more than 50 mcg (2000 IU)/day of vitamin D (from diet and supplements) should periodically obtain a serum 25-hydroxy vitamin D measurement. Do not exceed 10000 IU per day unless recommended by your doctor. Vitamin D supplementation is not recommended for individuals with high blood calcium levels. If you have a thyroid condition or are taking antithyroid medications, do not use without consulting your healthcare practitioner.

Warnings:
KEEP OUT OF REACH OF CHILDREN.
DO NOT EXCEED RECOMMENDED DOSE.
Do not purchase if outer seal is broken or damaged.
When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

Additional Information:

Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.

If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.

We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.