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.
Formulas built the way I would build them for myself.
Tier 1 · multiple human RCTs
N-acetyl-L-cysteine (NAC)
Decades of RCTs (glutathione precursor, mucolytic, psychiatric adjunct).
9/10evidence score
400 mgstudied dose used
What the evidence shows
Decades of RCTs (glutathione precursor, mucolytic, psychiatric adjunct).
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
NAC USP
Dose per serving
400 mg
Delivery
Standard / as studied
Who should be careful
GI upset; FDA enforcement discretion (2022 guidance) — lawful to market. Talk with your clinician before starting if any of this applies to you.
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.
The protocols we cannot publish here
Book a “What I Would Do If I Were You” consultation
A one-hour, one-on-one session with Jason Johns that ends with your own customized edition of The Ultimate Handbook of Health: detailed, personalized protocols including peptides, bioregulators, and highly specific supplement timing and an interactions checker — a stack designed for your biology and taken when it can actually be absorbed.
Full review of your goals, labs and current stack
Customized Handbook (Version 2.0 — now with infographics) written for you
Sourcing guidance and what to track at each follow-up
