Swanson Vitamin B2 (Riboflavin) – Vision, Thyroid & Energy Support (100 Capsules)

Known as vitamin B2, riboflavin is essential for energy metabolism and overall health. Swanson's riboflavin supplement delivers 100 mg per capsule to support vision health and thyroid function. Made in GMP-certified facilities with purity and potency tested by independent third-party labs.