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We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Life Extension Super Selenium Complex delivers three unique forms of selenium combined with vitamin E for enhanced antioxidant protection and overall cellular health. Selenium is an essential trace mineral that supports immune function, thyroid balance, and protection against oxidative stress — helping maintain long-term vitality and well-being.
Selenium Supplement, Super Selenium Capsules, Antioxidant Support Formula, Selenium with Vitamin E
Selenium (from L-selenomethionine, sodium selenite, Se-methyl L-selenocysteine) – 200 mcg
Vitamin E (as D-alpha tocopherol) – 20 IU
Other Ingredients: Microcrystalline cellulose, vegetable cellulose (capsule), silica, vegetable stearate
Provides comprehensive antioxidant protection at the cellular level
Supports immune system function and thyroid hormone balance
Helps maintain cardiovascular health and cellular longevity
Promotes reproductive health and overall vitality
Combines three forms of selenium for maximum bioavailability and absorption
Selenium is a key component of antioxidant enzymes such as glutathione peroxidase, which neutralize harmful free radicals. The three forms in this complex—L-selenomethionine, sodium selenite, and Se-methyl L-selenocysteine—work synergistically to support DNA integrity, immune defenses, and optimal thyroid hormone metabolism. Added vitamin E enhances antioxidant synergy for superior protection.
Contains three bioavailable forms of selenium for comprehensive support
Includes vitamin E to boost antioxidant effectiveness
Formulated by Life Extension, a trusted leader in nutritional science
Vegetarian, Non-GMO, and gluten-free
Produced in the USA with strict quality and purity standards
Adults seeking to enhance antioxidant and immune defense
Individuals wanting thyroid and cardiovascular support
Those looking to promote healthy aging and reproductive wellness
Vegetarians and adults focused on daily wellness
Take one capsule daily with food, or as recommended by a healthcare professional.
1 capsule per day, ideally with a meal containing healthy fats for better absorption.
Consult your healthcare provider before use, especially if pregnant, nursing, or taking medications.
Avoid taking additional selenium supplements without medical advice.
Keep out of reach of children.
Store in a cool, dry place away from direct sunlight.
Generally well-tolerated at recommended doses.
Excessive selenium intake may cause nausea, fatigue, or brittle hair and nails.
Form: Vegetarian capsules
Quantity: 100 capsules per bottle
Manufacturer: Life Extension, USA
Storage: Keep tightly closed in a cool, dry place.
Q: What is selenium used for?
A: Selenium supports immune health, thyroid function, and antioxidant defense against free radicals.
Q: Can I take selenium daily?
A: Yes, it is safe within recommended daily amounts and supports overall health when taken regularly.
Q: Why does this formula include vitamin E?
A: Vitamin E works synergistically with selenium to boost antioxidant protection and cellular health.
The content is purely informative and educational in nature and should not be construed as medical advice. Please use the content only in consultation with an appropriate certified medical or healthcare professional.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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