(More information) Several methodological issues (e.g., tests used to assess cognition, choice of study population, nature of the supplementation, study duration, etc.) may have contributed to the conflicting results observed in intervention studies
From there, recommendations are made clearly and practically.
When to seek medical advice: Persistent or worsening injection site reactions (increasing redness, warmth, or discharge suggesting infection) Severe or persistent headaches Chest pain or palpitations Unexplained muscle weakness or cramps New or worsening neurological symptoms despite treatment Unexpected bleeding or bruising For non-emergency concerns, contact your GP or NHS 111
References: Glutathione: Overview, uses, side effects, precautions, interactions, dosing and reviews
The code follows the provider's documented cause, not the CBC morphology result alone
doi: 10.1523/JNEUROSCI.1299-06.2006 62 MifsudGZammitCMuscatRDi GiovanniGValentinoM