Fibest offers ferrous fumarate supplements, specifically featuring ferrous gluconate at 18 mg. Ferrous fumarate contains a substantial amount of elemental iron, with 200 mg providing approximately 66 mg of iron. Additionally, for those following a vegan lifestyle, ferrous gluconate is an excellent option. It’s important to consider the balance of nutrients, including the 21st Century calcium citrate D 75, which can be beneficial when taken alongside iron supplements to optimize absorption and overall health. Remember to check the label for the elemental iron content, especially when incorporating ferrous fumarate or ferrous gluconate into your diet, while also considering the advantages of 21st Century calcium citrate D 75 for enhanced nutrient synergy.