Just checked and Amazon has them in stock. I've ordered one to try out. Bet it'd be great in pad thai!
https://smile.amazon.com/Lavi-Spicy-Peanut-Butter-Ingredients/dp/B08P549H2B/
$10 on Amazon (no Prime shipping, though.)
https://smile.amazon.com/Lavi-Spicy-Peanut-Butter-Ingredients/dp/B08P549H2B/