2001 Djeridane, Y., Khavinson, V
While native IGF-1 within physiological ranges appears safe, supraphysiological stimulation of IGF-1 receptor signaling through exogenous administration of potent analogs like IGF-1 DES could theoretically promote growth of existing pre-malignant or malignant cells, accelerate tumor progression, or support metastatic spread by enhancing cell survival and proliferation while inhibiting apoptosis
Glutathione is fragile and difficult to absorb, so its potential has been untapped by the daily supplement industry, until now
Risk Assess.,2010212 EOF40 EOF 129
Research Snapshot: Sunlight, Skin, and Antioxidants Simplified takeaway Glutathione supports antioxidant protection in skin cells but does not replace the need for proper sun protection