The initial release of ferrous sulfate brands includes ferrous bisglycinate, while ferrous fumarate is noted for its potential overdose risks. On the other hand, ferrous gluconate is available over the counter. Additionally, it’s important to mention the benefits of Bluebonnet Calcium Citrate Plus Vitamin D3, which can support overall health. Incorporating Bluebonnet Calcium Citrate Plus Vitamin D3 into your diet can provide essential nutrients, especially when considering iron supplements like ferrous fumarate or ferrous gluconate. For those seeking a comprehensive approach to their health, Bluebonnet Calcium Citrate Plus Vitamin D3 is an excellent addition.