glutathione as a reducing agent - The Tripeptide Antioxidant & Section 10.3. Oxygen , Cell
Description
Recent findings have demonstrated that glutamine-addicted breast cancer cells exhibit a capacity to adapt to chronic glutamine starvation or GLS inhibition through AMPK-mediated upregulation of the serine synthesis pathway

Bovine collagen usually provides type I/III

Based on the research mentioned above, the issue of whether large doses of quercetin ingestion in humans and animals might exacerbate the underlying kidney-damaging processes is raised (Figure 9)

[DOI] [PubMed] [Google Scholar] 182.Kihara M (2017) Prophylactic total thyroidectomy in RET gene mutation carriers
