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Version 2.0 formulas releasing soon · Single batch every time — every batch reformulated and matched to the latest scientific evidence · 166 evidence-based compounds across 30 products.Version 2.0 releasing soon · Single batch every time · 166 compounds across 30 products.
NEX-GEN™
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Formulas built the way I would build them for myself.

Tier 1 · multiple human RCTs

Selenium (as L-selenomethionine)

Essential; thyroid/antioxidant RCTs.

9/10evidence score
100 mcgstudied dose used

What the evidence shows

Essential; thyroid/antioxidant RCTs.

Tier is our appraisal of the human evidence at the dose we use: Tier 1 = multiple randomized trials; Tier 2 = human trials, fewer or smaller; Tier 3 = mechanistic, traditional or early human data; Tier 4 = emerging. Ingredients below Tier 2 are included only where the safety record is long and the traditional use is specific.

Form and dose

Form used
SeMet
Dose per serving
100 mcg
Delivery
Standard / as studied

Who should be careful

Toxicity >400 mcg/day. Talk with your clinician before starting if any of this applies to you.

In our formulas

FAQ

Which NEX-GEN formulas contain Selenium (as L-selenomethionine)?

Ultimate Minerals (100 mcg per serving). Every formula lists its full dose on the Supplement Facts panel — no proprietary blends.

What form of Selenium does NEX-GEN use and why?

SeMet. We choose the most bioavailable form we can source at the studied dose.

What does the evidence actually show for Selenium?

Essential; thyroid/antioxidant RCTs.

Who should be careful with it?

Toxicity >400 mcg/day. Talk with your clinician before starting if any of this applies to you.

Sources

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Nothing on this site is medical advice — it is educational "what I would do if I were you" guidance from an executive health coach. Talk with your clinician before starting any supplement, especially if you take medication, are pregnant or nursing, or have a medical condition. Last reviewed October 2026.

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The protocols we cannot publish here

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