Aging is a big factor, but here is a list of common causes of low glutathione
This is a detail that matters and one that distinguishes a supervised clinical protocol from a self-administered one
From available case reports, compounding pharmacy data, and practitioner experience, the following have been observed: BPC-157 Reported Side Effects Nausea and gastrointestinal discomfort (especially with oral administration) Dizziness or light-headedness Flushing or warmth at injection sites Headache Fatigue or somnolence in some users TB-500 Reported Side Effects Injection site reactions (redness, mild pain, swelling) Transient fatigue or lethargy following administration Headache Possible flu-like symptoms in a minority of users Long-Term Risks: What We Don't Know This is arguably the most vital part of this guide
Key Features: Contains reduced glutathione (GSH)
If the solution becomes cloudy or discolored, discard and reconstitute a fresh vial
The real question isn't which is better collagen or glutathione, but whether you need both