Cardiovascular Health500 mg Per CapsuleDietary SupplementSupports Cardiovascular HealthHelps Maintain Healthy CirculationScience-Backed Quality Since 1969Reinforces the body's defense system by producing more natural killer cells in the blood.Swanson Odor-Controlled Garlic is an effective way to get the benefits of garlic without the negative odor that comes along with many garlic supplements. Each capsule delivers 500 mg of garlic to benefit cardiovascular health without the lingering smell on your breath. The allicin in garlic may also support the immune system by producing more natural killer (NK) cells in the blood.