I'm 52 and I live in Phoenix, Arizona.
1. What type of bikes do 50+ folks ride?
Moots VaMoots with Dura-Ace. I've been riding Shimano since the late 70;s except for one bike with Campy C-Record in the late 80's.
2. Do you take any special supplements/vitamins/minerals as you have grown older?
Multi-vitamin, fish oil, COQ-10, Glucosamine.
3. How much do you feel you have "slowed down" if any?
Alot and far less mileage. I stopped riding for a number of years because of work travel but have been back into it for a year or so and lost 60 lbs in the process. :-)
4. How long have you been biking? New, around a while, biked all your life?
All my life. High end road bikes since the late 70's.
5. What type of biking do you do? Long rides, touring, short rec rides.
10 to 30 mile rides, longer event rides.
6. How often do you bike? Your approximate annual mileage?
3 or 4 times a week. I'm too lazy to estimate mileage.