Shahab Elmi -- CEO of the supplement company Cymbiotika -- was robbed at gunpoint in France this week in a home invasion where thieves made off with a small fortune ... sources connected to the situation tell TMZ. We're told early Thursday morning, robbers broke into the home Elmi was staying in with his wife, Durana , and their two young daughters in Cannes. The California Post was first to report on the story. Our sources say ... the suspects were armed, including one who wielded an SK-style