Focus & Concentration

Supplements studied for improving attention and mental focus.

22 supplements have studies linked to this goal. Citicoline (CDP-Choline) scores highest (5/10), followed by Iron (5/10) and L-Theanine (5/10). 3 of them reach moderate or strong support — the rest are thinly studied or showed little effect.

Supplements rated for Focus & Concentration

How to read these scores

The 0–10 score reflects how well the evidence supports a supplement for this specific goal, independent of how much it has been studied overall. It is an editorial rating checked against meta-analyses — how we set it.