Twinlab Nature's Herbs Sea Kelp 640mg, 100 Capsules

What the brand says

Nature's Herbs Kelp is a time-proven, marine vegetable source of absorbable, organic Iodine from a carefully selected oceanic bed of Sea Kelp. Our exclusive FreshCare System inhibits normal plant oxidation, maintaining product potency and extending freshness. It includes all-natural antioxidants in each capsule, oxygen-absorbing packets in each bottle, special air-tight seals and amber glass packaging for uncompromised quality.