Your immune system is your body's first line of defense against the constant attack of viral, bacterial, fungal, parasitic and radioactive invaders. Fight this daily barrage with an immune system boost from NSC's line of quality immune-enhancing products.
**Information for this product is sited from the NSC website.
I have been using this product for several years. I seldom get sick.I take it year-round but increase the dosage during the winter months.