Answer:
False.
Step-by-step explanation:
Powdered caffeine is not as deadly as ricin. Ricin is one of the most highly potent toxins in the world. A teaspoon of purified ricin powder can kill an adult human.
Powdered caffeine, on the other hand, is not as dangerous but it still being more dangerous than drinking a cup of coffee. Because a teaspoon of powdered caffeine is like drinking 28 cups of coffee. It is said than 2 teaspoons are able to kill a human.
I hope this answer helps you.