Why is Moa spicy? Administrator March 13, 2020 12:06 Updated Black cumin, also known as black seed, makes Moa spicy, not the black pepper that is also found in the product. Related articles What are the health benefits of Moa? How should I take Moa? What are some other ways I can use Moa? What does Moa taste like? What's in my Power Boost? Comments 0 comments Please sign in to leave a comment.