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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 is made to help your body stay strong and healthy. It gives you 200 mcg of selenium from three different sources, plus vitamin E, to support your immune system, heart, brain, and thyroid. This supplement helps protect your cells from stress, supports your body's natural defenses, and promotes overall well-being. It’s great for people who want to stay healthy as they age.
| Attribute | Details |
|---|---|
| Brand | Life Extension |
| Product Name | Super Selenium Complex 200 mcg with Vitamin E |
| Capsule Count | 100 Vegetarian Capsules |
| Serving Size | 1 Capsule |
| Servings Per Container | 100 |
| UPC | 737870177814 |
| Nutrient | Amount Per Serving |
|---|---|
| Vitamin E (as D-alpha tocopheryl succinate) | 20.1 mg |
| Selenium (from Se-Methyl L-Selenocysteine, L-selenomethionine [yeast-free], sodium selenite) | 200 mcg |
| Selenium (L-selenomethionine) | 50 mcg |
| Selenium (sodium selenite) | 50 mcg |
| Selenium (Se-Methyl L-Selenocysteine) | 100 mcg |
| Ingredient | Purpose |
|---|---|
| Microcrystalline Cellulose | Filler |
| Vegetable Cellulose (capsule) | Capsule Shell |
| Dicalcium Phosphate | Binder |
| Stearic Acid | Flow Agent |
| Silica | Anti-Caking Agent |
| Standard | Details |
|---|---|
| Non-GMO Certified | Made without genetically modified organisms to support clean, natural supplementation. |
| Gluten-Free | Free from gluten-containing ingredients; safe for gluten-sensitive individuals. |
| Vegetarian Friendly | Encapsulated in plant-based cellulose; contains no animal-derived ingredients. |
| Manufactured in USA | Produced in GMP-certified U.S. facilities to ensure quality and safety. |
| Third-Party Tested | Independently tested for purity, potency, and consistency. |
| No Artificial Preservatives | Formulated without synthetic fillers, binders, or preservatives. |
Dosage & Usage Instructions
How to take it:
Take 1 capsule per day with food. That’s all you need!
Best time to take:
Take it in the morning or at lunch with a meal. It helps absorb better with food that contains a little fat.
What to eat or avoid:
Drink water:
Drink plenty of water during the day to help your body absorb the nutrients well.
Daily or cycles?
It’s safe to take every day. No need to cycle off unless your doctor advises it.
What you may feel:
You probably won’t feel anything immediately, but it works in the background — supporting your immune system, thyroid, and antioxidant protection.
Warnings:
Ingredient-by-Ingredient Breakdown & Synergy
Active Ingredients
Selenium (200 mcg total)
Vitamin E (20.1 mg)
FAQ:
Q1: What does Life Extension Super Selenium Complex do?
A: It supports your immune system, thyroid, and heart health, and helps protect your body from oxidative stress.
Q2: Is it okay to take this every day?
A: Yes, one capsule per day is safe and effective for long-term use.
Q3: Does this contain natural selenium?
A: Yes! It includes 3 forms of selenium for the best results.
Q4: Is this good for people with thyroid issues?
A: Selenium is important for thyroid health, but check with your doctor if you’re on thyroid medication.
Q5: Can I take it with other vitamins?
A: Yes, it works well with most daily vitamins. Avoid taking extra selenium on top of this supplement.
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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