Over the counter
Published: human trials
Established use
NAC: dosing, timing and what to expect
A glutathione precursor with liver-protective use and a reasonable body of work on semen parameters and oxidative stress in sperm.
Also known as N-acetylcysteine
Quick reference. Everything you need to run NAC —
dosing, frequency, reconstitution math for the vial sizes people actually buy,
and what it stacks with. For anything specific to your situation,
ask the Guru.
NAC quick start
- Route
- Oral
- Typical dose
- 600–1,200 mg daily
- Frequency
- Daily
- Half-life
- About 6 hours.
- Cycle
- Continuous or in 3–6 month fertility blocks.
These are the numbers people actually run, drawn from the published record and from
what the community has settled on over time. Educational reference, not medical
advice — a starting point to work from, and one you can adjust as you learn how you
respond.
How to run it
- How often
- Daily
- Cycle length
- Continuous or in 3–6 month fertility blocks.
- Half-life
- About 6 hours.
- Route
- Oral
Consistency matters more than perfect timing. Pick a slot in your day you will
actually keep, and let DoseIQ handle the rest.
What to expect
Most people tolerate NAC well. Here is what is worth knowing going in, so nothing catches you by surprise.
Sulphurous smell that puts people off, and it can cause nausea on an empty stomach. Regulatory status has been unsettled in the US — availability comes and goes. Combines sensibly with CoQ10 for fertility work since they cover different parts of the same oxidative problem.
Preparing it
NAC does not need reconstituting — it comes ready to use.
This page is an educational research reference and is not medical advice. Dose figures reflect the published record and what the community has converged on — starting points to weigh, not instructions. Consult a qualified healthcare provider before starting any protocol.