It is generally safe to take vitamin supplements with iron on a daily basis. However, it is important to be cautious of taking too much iron as it can lead to health issues such as blood clot formation. It is usually recommended to have medical supervision when taking high doses of iron. Natural products like Swical Energy typically contain low levels of iron, reducing the risk of adverse effects even with long-term use. It is important to note that these products may not provide enough iron to replenish low levels seen in conditions like anemia.