B2 is a vitamin called riboflavin. B2 supplements may also help with boosting the immune system, energy levels and athletic performance among other benefits.
- DC Labs - Vitamin B2 (Riboflavin) 100 mg - 90 Capsules
- Douglas Laboratories - Riboflavin-5-Phosphate - 100 Capsules
- Integrative Therapeutics - Riboflavin - 30 Tablets
- Thorne Research - Riboflavin 5' Phosphate - 60 Capsules
- Solaray - Mega B-Stress Two-Stage Timed-Release - 120 Capsules
- Solaray - Mega B-Stress Two-Stage Timed-Release - 60 Capsules