Original Formula Throat Lozenge + Vitamin C + Zinc Helps Support the Immune System Scientifically Tested Supports Immunity High Antioxidant Level Soft and Chewy Dietary Supplement Black Elderberry chewable pastilles with Vitamin C, Zinc and Honey. Support Your Immune System Sambucol with Black Elderberry is trusted by millions of people worldwide to help support their immune system. Black Elderberry Developed by a world renowned virologist, Sambucol's unique manufacturing process preserves and maximizes the naturally occurring health benefits of the Black Elderberry. Honey Natural Honey helps soothe the throat. Scientifically Tested Sambucol is the unique Black Elderberry that has been used in published scientific studies. No other elderberry brand can make the same claim.