glutathione elisa kit (GSH) Kit, Cat#EKU04473 Human GPX1(Glutathione peroxidase 1) ELISA

Priapism (painful erections)

DAILY SCALP & HAIR CARE: Designed for everyday use, the water-based formula helps keep the scalp refreshed and the strands lightly hydrated, leaving your hair feeling clean and comfortable

Hagen TM, Vinarsky V, et al

It also plays a role in immune function and mood regulation

This is likely due to collagen having a VERY low leucine content & leucine is the amino acid responsible for stimulating muscle protein synthesis Perhaps collagen has benefits but I will want to see a much more fleshed out mechanism & more hard objective outcome data before I recommend it as a supplement

Discard the vial and start with a fresh one