Focus & Energy

Compare three dissolvable-strip formulas. Energy Strips list 50 mg caffeine, 30 mg L-theanine and 1,000 mcg vitamin B12 per strip. Cognitive Relax Strips list 50 mg L-theanine, 25 mg GABA and 6 mg vitamin B6. Clarity Strips list lion's mane, maitake, cordyceps and shiitake. Each tin contains 30 strips. Check each product's Supplement Facts and directions before choosing.

To understand the caffeine and L-theanine amounts and the limits of ingredient research, read our caffeine and L-theanine label guide.