Zenamin USA Share: Equine Supplies & Services Zenamin USA Visit Website Request Info 821 Falling Spring Road Glasgow, VA 24555 5404602767 About Map About ZenA-min is a vitamin and mineral supplement for horses. Developed and manufactured in Ontario, Canada. ZenA-min has a unique blend of quality minerals , based on our original formula. What's Nearby? Distance: 5 10 15 20 25 50 mi.