Iron Slow Release Tablets, 60 ct, QC98647 Sale! This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Compare to Slow Fe Iron Supplement. Daily health support tablet. Designed to be gentle on your system resulting in less nausea and discomfort. High potency and slow release. No added yeast, preservatives or artificial flavors, and gluten-free.