You're comfortable with an online-only, asynchronous evaluation rather than a live video call or in-person visit
A five-year, randomized, double-blind, placebo-controlled trial in healthy Danish older people (ages at inclusion, 60-74 years) found that selenium supplementation (100-300 g/day) had little-to-no impact on circulating levels of antioxidant enzymes, including GPx (166)
All of those things are there
Taking the medication too frequently can cause it to build up in your body faster than intended, significantly increasing the risk of nausea, vomiting, and more serious complications like pancreatitis
However, some individuals may experience: Stomach discomfort Heartburn Diarrhea Seizures A fishy odor in urine, breath, or sweat Who Should Avoid L-Carnitine