Nature’s Way Liquid Iron Supplement, 18 mg per Serving, Berry, 16 Fl Oz

Customers find this iron supplement effective and easy to take, noting it's gentle on the stomach and doesn't cause constipation. Moreover, the liquid form is absorbed better than pills, and customers report improved energy levels and increased iron levels. Additionally, they appreciate that it has no harsh side effects, with one customer specifically mentioning it's less irritating than ferrous sulfate.