Verteporfin is a photosensitizer used during photodynamic therapy to eliminate abnormal blood vessels in the eye that are associated with conditions such as macular degeneration. It accumulates in these abnormal blood vessels and, when activated by nonthermal red light with a wavelength of 693 nm in the presence of...

24-methyl Cholesterol is a phytosterol found in vegetables, fruits, nuts, and seeds that competitively inhibits the absorption of intestinal cholesterol and decreases the transcription of genes important for cholesterol metabolism. The cholesterol lowering effects of phytosterols, such as 24-methyl cholesterol, have...