Looking for a unique and special birthstone serotonin necklace that celebrates the chemical that helps regulate mood, mood, and well-being? This science jewelry, chemistry pendant, molecule necklace, serotonin necklace is your best choice! Crafted from polished silver, rose gold and yellow gold, this delicate bracelet is perfect for everyday wear. Whether you're looking for a gift for a science enthusiast or for yourself, this is a great way to show off the power of serotonin