Nature's Answer Marine Based Calcium Magnesium Capsules are Alcohol-Free and holistically balanced. When you choose Nature's Answer Plant Based Magnesium Capsules, you get the experience and care of a family owned company with a nearly 50-year reputation for quality. Vegetarian/Vegan 90 Vegetarian Capsules Nearly 50-Year Reputation for Quality. Made from the trademarked ingredient Aquamin and Holistically Balanced. Super Concentrated 500 mg per serving with 72 Trace Minerals and Sustainably Harvested. Marine Based Calcium / Magnesium is Derived from Red Algae & Seawater From Cool, Clean, Pristine Iceland Arctic Waters 100% Marine Based.