I don't believe it will make you sick. I would get new yeast, as this may no longer be viable, after 10 years. The crystal and roasted barley are stale, so you'd be better off replacing those, as well.
The B-brite is fine.
Two Kids Brewery
Primary: nothing. :(
Seconary: Don't use one, generally
Kegged: Belgian Brown Ale (loosely based on Corsendonk's Brown Ale); Saison
"For a quart of ale is a dish for a king." - Shakespeare