Does this contain L-selenomethionine or the DL form?

Yes, selenomethionine is verified using USP methodologies. Thorne Research uses inductively coupled plasma optical emission spectrometry (ICP-OES) and inductively coupled plasma mass spectrometry (ICP-MS) to analyze each incoming batch of L-selenomethionine used in this product. SOPs are in compliance with USP standards. Clean Break Seller · March 4, 2015

IS this verified by USP?

Yes, selenomethionine is verified using USP methodologies. Thorne Research uses inductively coupled plasma optical emission spectrometry (ICP-OES) and inductively coupled plasma mass spectrometry (ICP-MS) to analyze each incoming batch of L-selenomethionine used in this product. SOPs are in compliance with USP standards.

Is this product yeast-free?

Yes. Though I switched from this brand to "NOW" at 100 mcg (take 2 instead) and it states on the front of the bottle "Yeast Free".

From what source is this seleniomethionine?

I don't know. But recommended by a certified nutritionist.

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🛡️ Elevate your wellness game with selenium power — don’t get left behind!

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THORNESelenium delivers 200 mcg of high-quality selenium per capsule, supporting thyroid health and providing potent antioxidant protection. Free from common allergens and trusted by professional athletes and Mayo Clinic, this supplement is designed for adults seeking a clean, effective boost to skin, cognitive function, and overall wellness.

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