BH4 has powerful antioxidant capacity and can act as a direct antioxidant to protect cells from lipid peroxidation, it can also be used for de novo synthesis of CoQ10, which also protects cells from ferroptosis [45, 46]
Although I don't think it's been looked at directly in the context of clinical depression yet
In practice, the combination could create conflicting signals: GLP-1 suppressing appetite while GH promotes it, potentially worsening nausea or creating unpredictable eating patterns
Injectable glutathione is the fast lane, and the risky one
Glucagon-like peptide-1/glucagon receptor agonism associates with reduced metabolic adaptation and higher fat oxidation: a randomized trial
Traversing through the cell signaling pathways of neuroprotection by betanin: therapeutic relevance to Alzheimer's Disease and Parkinson's Disease