21ST Century Slow Release Iron is a high-potency formula that delivers 45 mg of elemental iron in each tablet - equivalent to 142 g of Ferrous Sulfate - to support optimal iron levels. This formula provides a gentle release of iron to minimize discomfort and common side effects of traditional iron supplements.
Perfect Iron Support for Every Stage of Life*‡
- Vegetarians & Vegans - Bridge potential dietary iron gaps from plant-based diets*
- Active Individuals - Added support during physical activity*
- Seniors - Maintain healthy iron levels to support overall vitality*
- Busy Professionals - Support overall wellness throughout demanding workdays*
- Women During Monthly Cycles - Aids in replacing iron lost during menstruation*
Trusted Iron Supplement Support
- High-Potency Formula - Each tablet delivers 45 mg of elemental iron (250% Daily Value)*
- Gentle Slow Release Technology - Formulated to minimize digestive discomfort*
- Convenient Once-Daily Dosing - Simple to incorporate in your daily routine*
- Laboratory Tested - Quality guaranteed through rigorous testing protocols*
You Daily Defense
When your body requires iron, only the best will do. 21ST Century Slow Release Iron works harmoniously with your body's natural processes.*For over 30 years, 21ST Century Vitamins has provided trusted vitamins and supplements by upholding the highest standards of quality in every product we offer. From sourcing the finest ingredients to rigorous testing and production processes, we ensure that every product meets our stringent quality benchmarks. We are here to support your wellness every step of the way.