Can I buy BNB on MetaMask?

Can you please clarify for me, is it possible to purchase BNB tokens directly through MetaMask? I've been hearing a lot about BNB and its use in the crypto space, and I'm interested in adding it to my portfolio. However, I'm not entirely sure how to proceed with the purchase. Does MetaMask support this transaction? If not, could you recommend an alternative platform or method for purchasing BNB? Thank you for your assistance in this matter.