No amount of information can replace the experience and expertise of a doctor, therefore his/her advice always holds priority and should be followed appropriately.
Oncol Rep 26, 603608 (2011)
Both enzymes, GPX7 and GPX8, are located in the endoplasmic reticulum and are necessary enzymes involved in the oxidative folding of endoplasmic reticulum proteins, and GPX8 also plays an important role in the regulation of Ca 2+ in the endoplasmic reticulum
The combination produced greater improvements in several fertility-related measures than either ingredient on its own, suggesting the two compounds may work particularly well together.23 Doctor's Best provides 50mcg of selenium slightly below the adult RDA of 55mcg and well below the tolerable upper intake level of 400mcg.46 While it's lower than the 200mcg used in the fertility study, it still provides meaningful nutritional support without pushing intake toward levels where selenium toxicity becomes a concern
Saad F, Gleason DM, Murray R et al