How much does Beam cost? September 29, 2020 17:20 Updated Follow Beam costs $35 per box of 30 single-serve packets, plus free 2-day shipping. Ready to place your order? Get Beam now. Related articles Is Beam only designed to support migraine sufferers? What is Beam? Does Beam have any side effects? Can I take Beam over the course of the day or do I need to take it all at once? Do I need a prescription to take Beam?