Dietary Supplement. A Unique Blend Maximizing Absorption, Safety & Flexibility. America s #1 Trace Mineral Brand. liquimins™. Super Charged with ConcenTrace® for Better Absorption. Contains No Known Allergens. Gluten Free Ionic Iron is a rich, concentrated liquid dietary supplement that provides iron in an ionic form - the form most widely recognized by the body.* Our proprietary process ensures maximum absorption, while the balanced liquid form provides safety and flexibility.* Iron is essential for optimal.