Your cart is empty
This quantity of item cannot be added to the cart
Continue shopping
"Very quick delivery. Used 3 times, each order arrived the next day before 12:00. Product quality is exactly as described."
"Reliable & original products, with fast next day delivery. Have been using Welzo for over a year now."
"Welzo is great, lots of support from customer service who are easy to get a hold of and quick delivery."
NOW Foods Selenium 100mcg
NOW Foods Selenium helps guard cells and support thyroid health, thanks to the highly bioavailable L-Selenomethionine, and our brand's GMP standards guarantee purity and traceable quality.
Purchase options
Subscribe & save
Save 5%Fast delivery · Cancel anytime
- Easy Pause or Cancel
- Best Price Guarantee
- 60-Day Returns
- Priority Support
One-time purchase
Standard price, no subscription
Quantity
4+Save 5%
4Save 5%
Verified Authenticity
Money-Back Guarantee
Easy Returns
100% Money back guarantee, no questions asked
Secure Transaction
NOW Foods Selenium helps guard cells and support thyroid health, thanks to the highly bioavailable L-Selenomethionine, and our brand's GMP standards guarantee purity and traceable quality. This yeast-free selenium supplement is produced in GMP certified facilities, reflecting NOW Foods' family owned heritage since 1968 and our commitment to transparency. Daily usage is simple enough and easy to fit into daily routines. Selenium serves as a cofactor for antioxidant enzymes, helping cells resist daily oxidative stress.
Benefits & Features:
- Boosts antioxidant defences with the key active ingredient L-Selenomethionine in this selenium supplement today for daily use.
- Supports healthy thyroid function and metabolism through selenium’s essential part for overall daily balance.
- Yeast-free, high quality formulation produced globally in GMP certified facilities worldwide.
- Meticulous testing guarantees potency and pure quality for daily use.
- Designed for daily use, this selenium supplement helps keep antioxidant defence, supports immune strength, and aids in thyroid hormone production, when paired with a balanced eating and healthy lifestyle.
NOW Foods has earned a reputation for quality through careful sourcing and strict manufacturing standards. The star ingredient, L-Selenomethionine, is highly bioavailable and acts as a cofactor for antioxidant enzymes, helping cells resist oxidative stress. NOW Foods has produced its selenium products in GMP facilities since 1968, with third party verification and clear allergen controls in place. Healthline notes selenium's role in supporting immune function and antioxidant protection.
- GTIN
- 733739014801
- Manufacturer
- NOW Foods
- Size
- 100 Tablets
- Best buy
- 6 to 24 months+
Shop related categories
United Kingdom & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched next working day).
Free shipping on orders over £50 to the UK.
Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 14 days in the same original and unopened packaging. Subject to T&C's.
Welzo is a UK-based health platform. Orders ship from the UK.
Please consult the product packaging for accurate instructions on how to use the product.
| Amount Per Serving | %RI* | |
|---|---|---|
| Selenium (as L-Selenomethionine) | 100 µg | 182% |
*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
The Active Ingredient Is: Selenium
Selenium is a tiny trace mineral essential for everyday bodily functions and antioxidant protection. This supplement uses L-Selenomethionine, a yeast-free variant that boosts absorption processes and cellular utilisation.
What Does Selenium Do?
Selenium supports normalised immune function and helps the body's antioxidant enzyme systems, guarding cells from oxidative stress. It is involved in thyroid hormone metabolism, aiding normal hormone synthesis and function as recognised in EFSA guidance.
This product isn't meant to diagnose, treat, cure, or prevent any disease at all.
NOW Foods stands out for its uncompromising commitment to quality compliance and manufacturing integrity. This brand operates in GMP-certified facilities and embraces robust QA processes, with third-party verification to ensure label accuracy and purity. The family-owned heritage dating back to 1968 reinforces a long-standing dedication to transparent manufacturing and consistent product quality, a combination we value highly in our supplier partnerships. NOW Foods is a recognised leader in producing yeast-free, well‑formulated selenium in a way that aligns with Welzo’s standards for safety and reliability, supporting our ability to offer trusted wellness solutions to customers. This brand’s meticulous testing and clear quality controls underpin our confidence in the product’s integrity and consistency. Our team evaluated NOW Foods against strict criteria for compliance and manufacturing excellence, and we are confident in the brand’s ability to deliver a dependable supplement experience for the UK market. This partnership is supported by our team of medical experts and our ingredient quality and purity standards.
Part of the Welzo System™
Test, supplement, enhance, and move, all in one place.
Delivery
13 bought this week
30-Day Money Back Guarantee
GMP Certified Facilities
Third-Party Tested
Vegan & Non-GMO
Rated 4.8/5 by 27,000+ Customers
UKAS Accredited Labs
Free Next-Day Delivery Over £50
Science-Backed Formulations
Frequently Asked Questions
Everything you need to know about this product.
Third Party Tested
Trusted by 200,000+ Customers
Pharmaceutical-Grade Quality
UK-Based Customer Support
Rated Excellent by 26,523+ Reviews
100% Money Back Guarantee