Are expensive and cheap folic acid supplements equally effective?
Expensive and inexpensive folic acid supplements have the same core effectiveness. As long as they meet national standards and contain adequate amounts of the active ingredient—folic acid—their effects in preventing folic acid deficiency and supporting fetal neural tube development are equivalent. If you experience allergic reactions or other health issues after taking folic acid, seek medical advice promptly.

Inexpensive folic acid supplements are typically simple formulations with a single component, containing only folic acid or a small amount of basic vitamins. They are low-cost and sufficient for daily supplementation needs, making them suitable for the general population without special health concerns, especially women who are planning pregnancy or pregnant and need basic folic acid support.
More expensive folic acid supplements are usually complex formulations that include additional nutrients such as iron, vitamin B-complex, and vitamin D alongside folic acid. These have higher prices and are better suited for individuals with extra nutritional needs, such as those with iron-deficiency anemia or unbalanced diets. However, they are not necessarily more effective than cheaper options.
When choosing folic acid supplements, prioritize reputable brands and select the formulation that best matches your personal needs. Take the supplement according to the recommended dosage to avoid excessive intake, and maintain a balanced diet during use, including foods rich in natural folic acid such as dark green vegetables and animal liver.