hcfricke-com.translate.goog
Very good article / webside on that whole topic traslated via google ↑
The Info from there is used to make that abstract:
Why L-Cysteine is discouraged but NAC might be okay
Based on Cutler, Daunderer, and Boyd Haley insights.
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1. L-CYSTEINE vs. NAC — Key Differences
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| Feature | L-Cysteine | N-Acetylcysteine (NAC) |
|----------------------------|-------------------------------------|----------------------------------------|
| Stability | Unstable, quickly oxidized | Stable, acetylated form |
| Reactivity | Highly reactive thiol (-SH) | Less reactive, slower conversion |
| Risk of Hg Mobilization | High – can move Hg into cells | Lower, more controlled effect |
| GSH Synthesis Support | Direct precursor, fast | Indirect, slower & safer |
| Cellular Uptake | Direct uptake possible | Requires deacetylation first |
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2. ALA (Alpha-Lipoic Acid) — ⚠️ HANDLE WITH EXTREME CAUTION
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- ALA is **lipophilic**, crosses **blood-brain barrier**
- Has **2 thiol groups** → strong metal-binding capacity
- Can **mobilize mercury into the brain** if used incorrectly
⚠️ **Never take ALA randomly or in multi-supplement formulas!**
- It must be dosed **strictly by half-life (every 3 hours)**
- Only **RS-ALA** has a known half-life (~3h) used in Cutler protocol
- Other forms (R-ALA, Na-R-ALA) have **different pharmacokinetics**
- Taking ALA **without chelation schedule = dangerous redistribution**
✅ ALA is only safe if:
- You follow **Andrew Cutler's protocol exactly**
- You use **RS-ALA**, not R-ALA or Na-R-ALA
- You dose **every 3h, even at night**, for several days
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3. THE PROBLEM WITH CYSTEINE, METHIONINE, GSH
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These can:
- Bind mercury loosely
- Mobilize Hg from tissue but fail to escort it out
- Potentially increase brain/cellular Hg load
Glutathione (GSH):
- Cannot enter cells from outside
- Intracellular GSH = ~1000x higher than extracellular
- Taking GSH orally/IV just floods extracellular space
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4. WHY NAC IS DIFFERENT (But Still Needs Caution)
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- NAC is acetylated → less reactive than L-Cysteine
- Must be deacetylated → slower rise in free thiols
- Helps intracellular GSH synthesis **gradually**
Cutler dosage:
- Max **200 mg NAC per dose**
- Only if **Cysteine/Methionine are low** (check amino acid test)
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5. BEST STRATEGY TO INCREASE GSH (per Cutler)
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Better than GSH or Cysteine:
→ Use precursor blend for *in-cell* GSH production
NAC : Glycine : Glutamine
Suggested ratios:
- Cutler: 4 : 2 : 1 (NAC-heavy)
- Safer alt.: 1 : 4 : 2 (less NAC, more glycine)
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6. SUMMARY – What’s Safe, What’s Risky?
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| Substance | Recommendation |
|------------------|-------------------------------------|
| L-Cysteine | ❌ Avoid – fast Hg mobilization |
| Methionine | ❌ Same – risky redistribution |
| GSH (oral/IV) | ❌ Not effective – may worsen Hg |
| ALA (random use) | ❌ DANGEROUS – never without protocol|
| ALA (Cutler) | ✅ Only RS-ALA, every 3h, strict plan|
| NAC (low dose) | ✅ OK w/ caution – <200mg per dose |
| NAC (high dose) | ⚠️ Risk – may mobilize Hg too fast |
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Final Rule: ❗ NEVER mobilize mercury without binding + escort
You want **controlled chelation**, not random redistribution.
