It takes about an hour to work, and its effects last for around 6-8 hours.31 Vardenafil is more or less identical to sildenafil, but it has one less notable side effect associated with color vision processing, and theres a bit more research suggesting you could take it daily if you wanted to.32 33 Tadalafil can be taken as needed or daily, with doses typically higher in the as-needed medications
The next step: Your doctor can help you decide if a small maintenance dose makes sense or if tapering off slowly is the better fit
Both hypomethylation (COVID-19, POTS, 1298C/677T, FM, and CFS) and hypermethylation (LC, 677TT) increase Hcy
In cases where there is suggestive history of growth hormone deficiency and a serum IGF-1 concentration below the age- and gender-specific lower limit of normal, growth hormone stimulation testing may be considered
Remember, everyone reacts differently to medications
Personalized approach (not one-size-fits-all) Most programs follow a step-by-step approach, starting with a lower level and adjusting over time based on your response