Rugby Niacin 500mg Timed Release Captabs 100ct (3)

Are these flush-free?

I see two Rugbys here, one saying "timed release" and the other "extended release," which seem to be the same thing. Are they?

Did the packaging change? The coloring on the labels are different than the ones I ordered in the past

What is a captab? (How is it different from a capsule or a tablet in terms of ease of swallowing for the elderly?)