Firsjamp offers ferrous sulfate tablets containing 300 mg of ferrous gluconate, along with potential side effects associated with iron supplementation. Additionally, iron bisglycinate is available in a dosage of 25 mg and contains 27 mg of elemental iron. It’s important to note that ferrous bisglycinate is equivalent to iron bisglycinate in terms of efficacy. For those considering iron supplements, a product featuring 300 mg calcium citrate can be beneficial, as calcium citrate aids in the absorption of iron. When selecting iron supplements like ferrous gluconate or iron bisglycinate, incorporating 300 mg calcium citrate can enhance your overall nutrient intake.